Mercury 225 (3.0L-DFI)(DTS) (1B417702 THRU 1B504988) Parts & Diagrams

🔎 Mercury 225 (3.0L-DFI)(DTS) Reference Library — Exploded parts diagrams (48 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 225 (3.0L-DFI)(DTS) is a 4-Stroke, V6 64-degree, DOHC, 24-valve outboard motor. Designed for large center-consoles, offshore sport-fishing boats, and multi-engine configurations.

Quick Reference Specifications

Specification	Value
Engine Type	4-Stroke, V6 64-degree, DOHC, 24-valve
Horsepower	225 HP
Displacement	3400 cc (3.4L / 209 CID)
Bore x Stroke	92 mm x 86 mm (3.6 in. x 3.4 in.)
Spark Plug (Type & Gap)	NGK LKAR7C-9
Engine Oil Capacity	6.6 L (7.0 qt)
Recommended Engine Oil	Mercury FourStroke Oil 25W-40
Gear Case Oil Capacity	710 mL (24.0 oz)
Idle Speed (in gear)	600 ± 50 RPM (in gear)
Full Throttle RPM Range	5200-6000
Fuel	Unleaded Gasoline, 87 Octane min.

Always verify specifications against your owner's manual for your specific serial number range.

Common Issues & Recommended Parts

Below are common maintenance scenarios for the Mercury 225 (3.0L-DFI)(DTS):

Water Pump / Overheating: If the tell-tale stream is weak or absent, the water pump impeller likely needs replacement. Inspect annually or every 100 hours. → Recommended: Water Pump Impeller Kit
Engine Oil / Maintenance Light: 4-stroke engines require regular oil and filter changes. Use marine-grade oil rated for your engine. Change every 100 hours or annually. → Recommended: Oil Filter, Engine Oil
Fuel Injector Issues (EFI models): Rough idle or misfires may indicate clogged fuel injectors. Use fuel stabilizer and clean injectors periodically. → Recommended: Fuel Injector, Fuel Filter
Gear Case Oil Leak: Check lower unit seals if gear oil appears milky (water contamination). Replace seals and gaskets during lower unit service. → Recommended: Lower Unit Seal Kit, Drain Plug Gaskets
Anode Corrosion: Inspect sacrificial anodes regularly, especially in saltwater. Replace when 50% depleted to protect against galvanic corrosion. → Recommended: Zinc/Aluminum Anode Kit

Parts Diagrams & OEM Part Numbers

Expand the sections below to view detailed exploded parts diagrams and find the exact OEM replacement components for your Mercury 225 (3.0L-DFI)(DTS).

▶Accessories (53 parts)

Ref	OEM Part #	Part Name
-	87-887979A2	SWITCH KIT, Tilt Limit
0	858915A1	TRIM REDUCER KIT
1	1257-8742A21	TANK ASSEMBLY, Remote Oil Comment: (Digital)
2	12335A1	BRACKET KIT
3	12323A1	CORD/HOOK KIT
4	12320	BRACKET
5	10-79968	SCREW, (#12-11 x .750)
6	36-43298A2	CAP ASSEMBLY
7	25-11332	O-RING, (2.225 x .210)
8	816190A5	SENDER ASSEMBLY, Oil Level Comment: (Digital)
9	36-43298A2	CAP ASSEMBLY
10	25-11332	O-RING, (2.225 x .210)
11	32-99802	TUBE
12	32-99439	HOSE, (114.00 Inches)
13	54-816311T	TIE STRAP, (8.00 Inches)
14	17334A2	VISUAL WARNING SYSTEM
15	88-17429	LAMP
16	76424	BRACKET
17	16-55422	STUD, (#10-32 x 2.00)
18	12-24676	WASHER, (.200 x .440 x .032)
19	10-32,11-68219	NUT, Stainless Steel
20	15969A3	DECK FILL KIT, Oil
21	15969A13	DECK FILL KIT, Oil
22	15966	PLATE
23	54-815504228	CLAMP, Worm Gear
24	15967	ADAPTOR, Oil Filler
25	25-11332	O-RING, (2.225 x .210)
26	32-850719	HOSE, (100.00 Feet Bulk)
27	812497A2	DIODE ASSEMBLY Comment: (Not Included with Kit Reference #28)
28	87-19674Q2	SWITCH/LANYARD KIT
29	87-19674A1	SWITCH ASSEMBLY, Lanyard
30	10-18303	SCREW, (.190-16 x 1.750) Stainless Steel
31	813679	ADAPTER
32	15920Q54	LANYARD ASSEMBLY
33	10-32866	SCREW, (#10-32 x 2.00) Stainless Steel
34	18321	CLAMP, Mounting
35	12-24676	WASHER, (.200 x .440 x .032)
36	10-32,11-68219	NUT, Stainless Steel
37	79146	RETAINER
38	84-11149A2	CABLE ASSEMBLY, (6.00 Inches)
39	54-816311T	TIE STRAP, (8.00 Inches)
40	88334A2	MERCATHODE KIT
41	10-22793	SCREW, (#9-14 x .875)
42	12-30164	WASHER, (.192 x .375 x .0312) Stainless Steel
43	72958A5	ELECTRODE ASSEMBLY
44	97-72957A5	ANODE ASSEMBLY
45	25-8M0204645	O-RING, (.796 x .139)
46	10-87698	SCREW, (#10-16 x 1.250) Stainless Steel
47	88-8M0207796	FUSE, 20 Ampere
48	84-95084A10	CABLE ASSEMBLY, (5.00 Inches) Red
49	84-95084A13	CABLE ASSEMBLY, (64.00 Inches)
50	10-32,11-45076	NUT, Brass
51	84-79138A8	CABLE ASSEMBLY, (72.00 Inches) Black

▶Air Compressor Components (31 parts)

Ref	OEM Part #	Part Name
-	25-832804A03	O-RING KIT
1	8M0060052	COMPRESSOR ASSEMBLY, Air
2	1100-8M0050792	END CAP ASSEMBLY
3	NSS	NOT SOLD SEPARATE, Snap Ring
4	10-85593920	SCREW, (M6 x 20)
5	25-67206001	O-RING
6	25-67206001	O-RING
7	653-833146T06	CONNECTING ROD ASSEMBLY
8	NSS	NOT SOLD SEPARATE, Piston assembly
9	53-8348101	RING, Lock
10	835088A10	REED PLATE ASSEMBLY
11	25-67207	O-RING, (3.489 x .070)
12	25-832804	O-RING, (2.739 x .070)
13	26-828225	SEAL
14	8M0073889	HEAD KIT, Compressor
15	22-8812711	FITTING
16	22-856744	FITTING
17	25-831985	O-RING, (.468 x .078)
18	22-996642	FITTING, Elbow 90 Degree (.125-27 x .250) Nylon
19	21-428641	FITTING, Check Valve
20	22-151331	FITTING
21	22-16604	FITTING, Straight (.125-27)
22	10-82127335	SCREW, (M8 x 35 MM)
23	13536A14	SENSOR ASSEMBLY, Temperature
24	137151	RETAINER
25	10-81893414	SCREW, (M8 x 14)
26	8215832	PIN, Special (1.5 Inches)
27	10-85593912	SCREW, (M6 x 12)
28	8M0175171	PULLEY
29	10-8M0045380	SCREW, (M8 x 50)
30	13541	PLUG, Male

▶Air Handler (49 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY
1	858541T3	PLATE
2	27-804680	GASKET
3	828623T6	REED BLOCK ASSEMBLY
4	10-8555252	SCREW, (M6)
5	23-855364	BUSHING
6	25-855362001	GROMMET
7	12-817274	WASHER, (.344 x 1.00 x .063) Stainless Steel
8	10-81893430	SCREW, (M8 x 30)
9	858539T6	PLENUM KIT, Air
10	27-804679004	GASKET
11	10-883942	SCREW, (M4 x 16)
12	854445	SENSOR, MAP
13	884522	BRACKET, MAP Sensor
14	8M0148668	SENSOR ASSEMBLY
15	25-896699	O-RING, (1.78 mm x .08 mm)
16	877828T02	CONTROL, Throttle - Electronic
17	16-881852	STUD, M6 x 50
18	11-889452	NUT
19	881005	ISOLATOR
20	880791	PLATE
21	54-889594001	CLAMP
22	881004	PLATE
23	10-82130014	SCREW, (M6 x 14)
24	25-855426	O-RING
25	859230T	RETAINER
26	54-804842	CLAMP
27	8M0185614	PUMP ASSEMBLY, Oil
28	884353	BRACKET
29	21-858870	CHECK VALVE
30	10-1993716	SCREW, (M6 x 16)
31	54-816311T	TIE STRAP, (8.00 Inches)
32	10-82130040	SCREW, (M6 x 40)
33	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
34	880083T1	COVER ASSEMBLY
35	25-13467	GROMMET, (.88 Inside Diameter)
36	19-89219001	PLUG
37	25-8M0153609	GROMMET
38	881277T2	ATTENUATOR
39	23-856954	BUSHING
40	25-8M0190980	GROMMET
41	NSS	NOT SOLD SEPARATE, Seal
42	25-20116	GROMMET
43	35-880084T01	FILTER ASSEMBLY
44	37-881865	DECAL, Caution-Start in Gear
45	12-65567	WASHER, (.265 x .750 x .048) Stainless Steel
46	10-82130025	SCREW, (M6 x 25)
47	54-858902	CLAMP
48	12-65567	WASHER, (.265 x .750 x .048) Stainless Steel

▶Air Hoses (16 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY
1	22-856842	ELBOW
2	54-816311T	TIE STRAP, (8.00 Inches)
3	32-8M0108349	TUBING, (.312) (70.00 Inches Bulk) (Cut to 8 Inches)
4	54-8M0214964	CLAMP, Hose (15.3)
5	32-8567631	HOSE ASSEMBLY
6	32-889314	HOSE, Air By-Pass
7	32-804829	HOSE ASSEMBLY, Air Balance
8	22-875271	FITTING, 90 Degree - Brass (.125-27)
9	32-887630	HOSE, Molded
10	32-8M0116380	HOSE/SLEEVE
11	32-8M0005664	HOSE, Molded
12	54-816311T	TIE STRAP, (8.00 Inches)
13	35-880084T01	FILTER ASSEMBLY
14	8M0005677	MUFFLER
15	32-8M0005665	HOSE, Molded

▶Attenuator/Flywheel Cover (14 parts)

Ref	OEM Part #	Part Name
1	892854T01	COVER, Flywheel
2	25-13467	GROMMET, (.88 Inside Diameter)
3	25-8M0153609	GROMMET
4	19-89219001	PLUG
5	881909T3	ATTENUATOR ASSEMBLY
6	23-856954	BUSHING
7	25-8M0190980	GROMMET
8	882767	SEAL
9	25-20116	GROMMET
10	54-23567	CLIP
11	12-65567	WASHER, (.265 x .750 x .048) Stainless Steel
12	10-82130025	SCREW, (M6 x 25)
13	37-881865	DECAL, Caution-Start in Gear
14	10-69570	SCREW, (#10-16 x .750)

▶Bottom Cowl (25 parts)

Ref	OEM Part #	Part Name
1	100-8M0107324	BOTTOM COWL, Port
2	854367001	PLUG
3	100-8M0107323	BOTTOM COWL, Starboard
4	27-889246A97	GASKET KIT
5	10-82130040	SCREW, (M6 x 40)
6	10-824868	SCREW, (M6 x 75)
7	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
8	8M0053903	FRONT HANDLE
9	23-335891	BUSHING
10	25-48462	O-RING, (.614 x .070)
11	8219423	PAWL
12	12-69057	WASHER, (.281 x .734 x .063)
13	11-401366	NUT, (M6) Stainless Steel
14	10-8214281	SCREW, (#10-16 x .625)
15	54-822873	CLIP
16	87-8M0235191	SWITCH, Trim
17	8M8027677	RIGGING KIT (Upper)
18	NSS	NOT SOLD SEPARATE, Clamp-Lower
19	10-82130012	SCREW, (M6 x 12)
20	NSS	NOT SOLD SEPARATE, Strap
21	859343	FOAM
22	54-850181	TIE STRAP, (11.750 Inches)
23	852361T02	HANDLE Comment: SN# 1B447000 & Up
24	13-29402	WAVE WASHER Comment: SN# 1B446999 & Below
25	8M0109222	SEAL

▶Coil Plate (29 parts)

Ref	OEM Part #	Part Name
-	NSS	NOT SOLD SEPARATE, Coil Mounting Plate-Complete
1	850295T4	PLATE
2	339-856991A1	COIL KIT
3	10-82129130	SCREW, (M6 x 30)
4	84-881908T	CABLE SET
5	33-889597Q	SPARK PLUG
6	859595T	DRIVER, Dual Coil
7	84-858414A1	CABLE ASSEMBLY, Braided
8	10-82129110	SCREW, (M6 x 10)
9	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
10	25-833155	GROMMET
11	12-4002318	WASHER
12	23-8502341	BUSHING
13	10-81893435	SCREW, (M8 x 35)
14	71-8M0157742	SENSOR KIT, (0-50 PSI)
15	22-8M0207782	FITTING
16	54-883066	CLIP, (.865)
17	22-881866	FITTING
18	32-85978571	TUBING, (52.00 Inches Bulk) (Cut to 18 Inches)
19	54-859671	TIE STRAP, (8.00 Inches)
20	12-36001	WASHER
21	54-828991T	CLIP
22	84-892972T01	HARNESS ASSEMBLY, Coil
23	22-8M0214971	COUPLER
24	22-859732	PLUG
25	32-85978571	TUBING, (52.00 Inches Bulk) (Cut to 5 Inches)
26	54-879962	CLIP
27	10-82129114	SCREW, (M6 x 14)
28	12-36001	WASHER

▶Crankshaft, Piston and Connecting Rods (22 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY
1	482-9784A11	CRANKSHAFT ASSEMBLY
2	830882	WEAR SLEEVE
3	30-67923T	BEARING, Ball, Lower
4	53-67446	RING
5	39-843198T01	RING, Seal
6	28-91800	KEY, Woodruff
7	25-35126	O-RING, (.859 x .139)
8	31-88270A02	BEARING/RACE KIT
9	NSS	NOT SOLD SEPARATE, Needle Roller
10	2720-889641A02	PISTON ASSEMBLY Comment: Port - .030 Oversize
11	40-841202	RING
12	39-875257A12	RING SET, Piston Comment: .030 Oversize
13	600-8M0125869	CONNECTING ROD ASSEMBLY
14	10-94320	SCREW, (.375-24 x 1.250)
15	31-844338A01	BEARING/CAGE KIT
16	NSS	NOT SOLD SEPARATE, Needle Roller Bearing
17	12-88263	THRUST WASHER
18	29-8M0204715	BEARING, Needle
19	31-816773A2	BEARING ASSEMBLY, Upper
20	26-859093	SEAL
21	25-823683	O-RING, (1.989 x .070)

▶Crankshaft, Pistons and Connecting Rods (23 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY Comment: (225)
1	482-9784A11	CRANKSHAFT ASSEMBLY
2	NSS	NOT SOLD SEPARATE, Wear Sleeve
3	30-67923T	BEARING, Ball (Lower)
4	53-67446	RING
5	39-843198T01	RING, Seal
6	28-91800	KEY, Woodruff
7	25-35126	O-RING, (.859 x .139)
8	31-88270A02	BEARING/RACE KIT
9	NSS	NOT SOLD SEPARATE, Needle Roller
10	2720-889641A02	PISTON ASSEMBLY Comment: (Port - .030 Oversize)
11	40-841202	RING
12	39-875257A12	RING SET, Piston Comment: (.030 Oversize)
13	600-8M0125869	CONNECTING ROD ASSEMBLY
14	10-94320	SCREW, (.375-24 x 1.250)
15	31-844338A01	BEARING/CAGE KIT
16	NSS	NOT SOLD SEPARATE, Needle Roller Bearing
17	12-88263	THRUST WASHER
18	29-8M0204715	BEARING, Needle
19	31-816773A2	BEARING ASSEMBLY (Upper)
20	26-859093	SEAL
21	25-823683	O-RING, (1.989 x .070)
22	25-823683	O-RING, (1.989 x .070)

▶Cylinder Block and End Cap (53 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY
1	885-899162A06	CYLINDER BLOCK ASSEMBLY
2	10-81893440	SCREW, (M8 x 40)
3	8M0111325	BRACKET
4	16-903509	STUD, (M10 x 1.5 x 64)
5	16-8154431	STUD, (M10 x 1.5 x 155)
6	8248577	DEFLECTOR
7	21-8781051	CHECK VALVE
8	17-8M0036405	PIN
9	17-43044	PIN, Dowel - Without Hole (.375 x .625)
10	17-63779	PIN, Dowel (.250 x .625)
11	10-81893435	SCREW, (M8 x 35)
12	10-82446180	SCREW, (M10 x 80)
13	22-8245021	CONNECTOR
14	54-8M0024808	J CLIP
15	12-8M0214963	WASHER, (.406 x .750 x .105) Stainless Steel
16	11-4013610	NUT, (M10) Stainless Steel
17	8M0082988	SENSOR
18	10-40011107	SCREW, (M5 x 16) Stainless Steel
19	1171-9787A4	END CAP ASSEMBLY
20	25-62700	O-RING, (3.237 x .103)
21	26-8308981	SEAL
22	10-82130020	SCREW, (M6 x 20)
23	10-82130012	SCREW, (M6 x 12)
24	54-858902	CLAMP
25	54-8M0024808	J CLIP
26	10-82130012	SCREW, (M6 x 12)
27	818574	SEAL
28	884391	SEAL
29	900-858483T07	CYLINDER HEAD, Port Comment: (Port)
30	8M0057307	THERMOSTAT, 54 Degree C/130 Degree F
31	27-8503181	GASKET
32	887602002	COVER, Thermostat Comment: (Starboard)
33	10-82130025	SCREW, (M6 x 25)
34	10-8M0045380	SCREW, (M8 x 50)
35	8M0148668	SENSOR ASSEMBLY
36	25-896699	O-RING, (1.78 mm x .08 mm)
37	22-328022	PLUG, Pipe (.125-27) Brass
38	857186T02	PLATE ASSEMBLY
39	23-855729	MOUNT
40	10-82130145	SCREW, (M10 x 45)
41	25-19565002	GROMMET
42	12-855725	WASHER
43	54-858424	CLAMP
44	54-858951	J CLIP
45	10-82130012	SCREW, (M6 x 12)
46	888435	BRACKET
47	10-82130016	SCREW, (M6 x 16)
48	54-858932	CLIP
49	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
50	17-8405101	PIN
51	10-82494810	SCREW, (M6 x 10)
52	54-8M0005663	J CLIP

▶Cyliner Block and End Cap (64 parts)

Ref	OEM Part #	Part Name
-	883894A07	POWERHEAD ASSEMBLY Comment: (250)
1	885-899162A07	CYLINDER BLOCK ASSEMBLY Comment: (250)
2	10-81893440	SCREW, (M8 x 40)
3	8M0111325	BRACKET
4	16-903509	STUD, (M10 x 1.5 x 64)
5	16-8154431	STUD, (M10 x 1.5 x 155)
6	8248577	DEFLECTOR
7	21-8781051	CHECK VALVE
8	17-8M0036405	PIN
9	17-43044	PIN, Dowel - Without Hole (.375 x .625)
10	10-82446180	SCREW, (M10 x 80)
11	10-81893435	SCREW, (M8 x 35)
12	10-81893420	SCREW, (M8 x 20)
13	17-63779	PIN, Dowel (.250 x .625)
14	13536A13	SENSOR ASSEMBLY, Temperature
15	17-8405101	PIN
16	8588641	RETAINER
17	12-8M0214963	WASHER, (.406 x .750 x .105) Stainless Steel
18	11-4013610	NUT, (M10) Stainless Steel
19	8M0082988	SENSOR
20	10-40011107	SCREW, (M5 x 16) Stainless Steel
21	1171-9787A4	END CAP ASSEMBLY
22	25-62700	O-RING, (3.237 x .103)
23	26-8308981	SEAL
24	10-82130020	SCREW, (M6 x 20)
25	857186T02	PLATE ASSEMBLY
26	23-855729	MOUNT
27	10-82130145	SCREW, (M10 x 45)
28	10-82494810	SCREW, (M6 x 10)
29	25-19565002	GROMMET
30	12-855725	WASHER
31	137151	RETAINER
32	54-858951	J CLIP
33	10-82130012	SCREW, (M6 x 12)
34	818574	SEAL
35	812851A27	CYLINDER HEAD ASSEMBLY
36	884391	SEAL
37	8M0057307	THERMOSTAT, 54 Degree C/130 Degree F
38	27-8503181	GASKET
39	8M0039357	COVER, Thermostat
40	10-82130025	SCREW, (M6 x 25)
41	10-8M0045380	SCREW, (M8 x 50)
42	8M0148668	SENSOR ASSEMBLY
43	25-896699	O-RING, (1.78 mm x .08 mm)
44	10-81893414	SCREW, (M8 x 14)
45	22-782792	FITTING, Elbow 45 Degree (1.25)
46	8583561	LEVER, TPI
47	10-82130025	SCREW, (M6 x 25)
48	23-856954	BUSHING
49	25-8M0190980	GROMMET
50	12-65567	WASHER, (.265 x .750 x .048) Stainless Steel
51	10-40011113	SCREW, (M5 x 45) Stainless Steel
52	8M6005165	INDICATOR, Throttle Position
53	8M0084743	LINK
54	54-858902	CLAMP
55	8582261	COVER
56	8544862	BRACKET
57	54-855228	CLAMP, (25.6 mm)
58	22-8533394	FITTING
59	32-8404461	HOSE (Starboard)
60	32-8404462	HOSE (Port)
61	8M6003194	SENSOR ASSEMBLY, Knock Comment: (200)
62	16-882781	STUD Comment: (200)
63	11-826292	NUT, (M10) Brass/Nickel Plated Comment: (200)

▶Deck Oil Fill Kit, 15969A3 or 15969A5 (9 parts)

Ref	OEM Part #	Part Name
1	15969A3	DECK FILL KIT, Oil, With Hose
2	15969A13	DECK FILL KIT, Oil, With Out Hose
3	15966	PLATE
4	15969A08	DECK PLATE ASSEMBLY
5	10-16324	SCREW, (#8 x .625)
6	54-815504228	CLAMP, Worm Gear
7	15967	ADAPTOR, Oil Filler
8	25-11332	O-RING, (2.225 x .210)
9	32-850719	HOSE, (100.00 Feet Bulk) , Oil Filler - Cut as Required

▶Driveshaft Housing and Exhaust Tube (32 parts)

Ref	OEM Part #	Part Name
1	3519-832938A06	HOUSING ASSEMBLY, Driveshaft Comment: (X/XX-Long)
2	16-8M0008031	STUD, (M12 x 52) Comment: (Long/X-Long)
3	10-857136	SCREW, (M12 x 35 MM) Comment: (Long/X-Long)
4	25-8331231	GROMMET
5	12-856982	WASHER, (.500 x .810 x .090) Stainless Steel
6	11-896895	NUT, (M12)
7	19-64649	PLUG
8	10-898834	BOLT, (M14 x 178)
9	88238A10	CABLE ASSEMBLY, Ground
10	12-815432	WASHER, (.562 x 2.00 x .125)
11	12-8154331	WASHER, (1.25 x 2.00 x .19)
12	8137711	MOUNT
13	12-825190	WASHER
14	11-896602	NUT, (M14)
15	8186442	CLAMP
16	10-81893435	SCREW, (M8 x 35)
17	13-72521	LOCKWASHER, Internal Tooth
18	8M0001136	COVER, Lower Mount
19	10-69079	SCREW, (#10-16 x .440)
20	8329321	SEAL
21	833116A4	TUBE ASSEMBLY, Exhaust
22	35-8M0026113	STRAINER
23	10-81893435	SCREW, (M8 x 35)
24	32-8M0042787	TUBE, Water Comment: (XX-Long)
25	832940001	SEAL
26	8329391	CLAMP
27	10-41508	SCREW, (.250-20 x .500) Stainless Steel
28	8M0105088	SPACER Comment: (XX-Long)
29	17-43044	PIN, Dowel - Without Hole (.375 x .625) Comment: (XX-Long)
30	16-8M0008047	STUD, (M12 x 179) Comment: (XX-Long)
31	10-857137	SCREW, (M12 x 160) Comment: (XX-Long)
32	10-81893435	SCREW, (M8 x 35)

▶Dual Cable Attaching Kit (12 parts)

Ref	OEM Part #	Part Name
-	92876A8	ATTACHING KIT, Steering
1	41055A1	BRACKET ASSEMBLY
2	715651	TUBE, Steering Cable
3	25-48462	O-RING, (.614 x .070)
4	13-821203	LOCKWASHER
5	11-8M0041651	NUT, (.875-14)
6	10-38601	SCREW, (.250-28 x 1.250)
7	13-78968	LOCKWASHER, Internal (.250)
8	850791T	COUPLER
9	10-73732	SCREW, (.375-24 x 1.120)
10	12-37828	WASHER, (.390 x .625 x .062) Stainless Steel
11	11-8M0204726	NUT, (.375-24) Stainless Steel

▶Dual Engine Tie Bar Kit (21 parts)

Ref	OEM Part #	Part Name
-	92876A9	EXTENSION KIT, Dual Engine
1	71565A2	TUBE ASSEMBLY
2	25-48462	O-RING, (.614 x .070)
3	41055	MOUNT
4	14-42100	TAB WASHER
5	11-8M0041651	NUT, (.875-14)
6	88404	TAB WASHER
7	10-38601	SCREW, (.250-28 x 1.250)
8	17729A1	BRACKET
9	10-62055	SCREW, (.312-24 x 1.250)
10	17728	TAB WASHER
11	10-140001	SCREW, (.375-24 x 1.38)
12	11-8M0204726	NUT, (.375-24) Stainless Steel
13	8M0026167	STEERING EYE
14	23-23651	SLEEVE, (1.625)
15	97931	TUBING, (4.00 Inches)
16	8M0026098	COUPLER, 15 In.
17	11-42099	NUT, (.562-18)
18	22-821169	COUPLING
19	12-37828	WASHER, (.390 x .625 x .062) Stainless Steel
20	10-94319	SCREW, (.375-24 x 1.5)

▶Engine Harness (18 parts)

Ref	OEM Part #	Part Name
-	84-881262A2	HARNESS ASSEMBLY, Alternator (Alternator)
1	84-892974T03	HARNESS ASSEMBLY, Engine
2	88-832969T20	FUSE, Mini - Yellow - 20 Ampere
3	88-8M0207797	FUSE, Mini - Gray - 2 Ampere
4	858754	COVER, Fuse
5	830796A04	CONNECTOR ASSEMBLY, Weather Cap - Male
6	12-65567	WASHER, (.265 x .750 x .048) Stainless Steel
7	84-8M0113732	HARNESS ASSEMBLY
8	892295F01	BRACKET
9	23-822003	BUSHING
10	25-8M0190980	GROMMET
11	881879T11	SENSOR, Pressure (0 - 100 PSI)
12	22-8M0207782	FITTING
13	54-883066	CLIP, (.865)
14	10-82130025	SCREW, (M6 x 25)
15	54-879962	CLIP
16	877613A02	CONNECTOR ASSEMBLY, Weather Cap 6 Pin
17	32-85944975	TUBING, (72.00 Inches Bulk) (Cut to 52 Inches)

▶Exhaust Plate (46 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY
1	832935A17	PLATE ASSEMBLY, Exhaust
2	27-8329335	GASKET
3	27-8329344	GASKET (Lower)
4	8M0043157	SEAL
5	22-8320761	FITTING, Check Valve
6	21-817519A1	CHECK VALVE ASSEMBLY, Drain
7	17-43044	PIN, Dowel - Without Hole (.375 x .625)
8	35-8348084	STRAINER
9	22-887603	FITTING
10	65663A2	COVER ASSEMBLY
11	10-81893435	SCREW, (M8 x 35)
12	814190	CARRIER
13	25-814191	GROMMET
14	814189	POPPET
15	24-64878	SPRING, (Black)
16	65664A1	PLATE ASSEMBLY
17	27-88907003	GASKET
18	648771	DIAPHRAGM
19	12-76451	WASHER
20	10-69570	SCREW, (#10-16 x .750)
21	10-81893435	SCREW, (M8 x 35)
22	850306A04	BOOT KIT, Idle Exhaust
23	888910	PLATE
24	10-82239312	SCREW, (M5 x 12)
25	19-821908	PLUG
26	12-821915	WASHER
27	32-859626A1	FLUSH HOSE KIT (Inlet)
28	22-8596001	FITTING
29	25-30641	O-RING, (.299 x .103)
30	8219631	CHECK VALVE
31	54-850896	CLAMP, (28.6)
32	22-8M0077650	FITTING, Tell-Tale
33	23-48237	BUSHING
34	43585	COUPLING Comment: Design I
35	25-12602002	GROMMET
36	25-822002	GROMMET
37	22-94848	FITTING
38	8M0027417	COUPLER, Shift Shaft Comment: Design II
39	32-859626A1	FLUSH HOSE KIT (Inlet)
40	25-12602002	GROMMET
41	12-35459	WASHER
42	32-8M0108355	HOSE, (57.00 Inches Bulk) (Cut to 3 Inches)
43	22-858855	FITTING, Straight
44	888910	PLATE
45	10-82239312	SCREW, (M5 x 12)

▶Flywheel/Alternator (19 parts)

Ref	OEM Part #	Part Name
1	8M6013461	ALTERNATOR
2	24-8523742	SPRING
3	856815T2	ARM TENSIONER ASSEMBLY
4	12-4002320	WASHER
5	23-8568941	BUSHING
6	16-8M0034457	STUD, (M10 x 85)
7	11-826292	NUT, (M10) Brass/Nickel Plated
8	8M6005030	PULLEY ASSEMBLY
9	10-4010835	SCREW, (M10 x 35) Hex Flange - Stainless Steel
10	57-828507Q5	BELT
11	283-859619T1	FLYWHEEL
12	11-42979	NUT, (M16)
13	12-33001	WASHER, (.641 x 1.250 x .190)
14	19-45907	PLUG, Yellow
15	11-401386	NUT, (M6) Stainless Steel
16	84-856583A5	CABLE ASSEMBLY
17	12-4002319	WASHER
18	10-82130150	SCREW, (M10 x 50)
19	10-82130012	SCREW, (M6 x 12)

▶Fuel Line Assembly (8 parts)

Ref	OEM Part #	Part Name
1	32-8M0044837	HOSE ASSEMBLY, Fuel (12 Feet) Mercury Branded Comment: (2009 and Up)
2	32-8M0038500	HOSE, (100.00 Feet Bulk) Comment: (2009 and Up)
3	13330Q07	BULB ASSEMBLY, Primer (Yellow Washer)
4	21-13331A3	CHECK VALVE ASSEMBLY, Inlet
5	21-13331A4	CHECK VALVE ASSEMBLY, Outlet
6	54-4158210	CLAMP, Nylon, Large
7	54-41582Q7	CLAMP, Nylon, Small
8	54-815504104	CLAMP, Worm Gear

▶Fuel Management (57 parts)

Ref	OEM Part #	Part Name
-	883894A07	POWERHEAD ASSEMBLY Comment: (250)
1	883951T1	ADAPTOR PLATE
2	27-804680	GASKET
3	828623T4	REED BLOCK
4	10-8555252	SCREW, (M6)
5	23-855364	BUSHING
6	25-855362001	GROMMET
7	10-81893435	SCREW, (M8 x 35)
8	12-817274	WASHER, (.344 x 1.00 x .063) Stainless Steel
9	10-81893430	SCREW, (M8 x 30)
10	883950T1	PLENUM KIT, Air
11	27-804679004	GASKET
12	10-1993716	SCREW, (M6 x 16)
13	884522	BRACKET, MAP Sensor
14	854445	SENSOR, MAP
15	8M0148668	SENSOR ASSEMBLY
16	25-896699	O-RING, (1.78 mm x .08 mm)
17	883949T1	THROTTLE BODY KIT
18	10-82130040	SCREW, (M6 x 40)
19	25-855426	O-RING
20	858851A03	LEVER ASSEMBLY, Throttle
21	8M0072162	ROLLER
22	12-8M0204666	WASHER, (.203 x .500 x .032)
23	8-32,11-826709104	NUT, Stainless Steel
24	10-889354	SCREW, Special
25	12-881991	WASHER, Cupped
26	12-881992	WASHER, Spool
27	10,13-69432	LOCKWASHER, External
28	858353A08	CAM ASSEMBLY
29	8235694	BALL, Threaded
30	23-8M0215006	BUSHING
31	23-8807371	BUSHING
32	10-40011155	SCREW, (M8 x 55) Stainless Steel
33	12-56720	WASHER, (.330 x .750 x .060) Stainless Steel
34	22-993211	FITTING
35	8M0185615	PUMP ASSEMBLY
36	883926	BRACKET
37	10-883942	SCREW, (M4 x 16)
38	10-82130025	SCREW, (M6 x 25)
39	12-8M0214930	WASHER
40	25-8M0190980	GROMMET
41	23-822003	BUSHING
42	883952T1	FUEL RAIL
43	8833821	RETAINER
44	10-840118	SCREW, (#8-32 x .380)
45	840481T01	INJECTOR ASSEMBLY
46	25-895239A01	O-RING KIT
47	8832151	TUBE
48	25-883355	O-RING
49	22-883940	FITTING
50	10-883376	SCREW, (#10-24 x .375)
51	883382	RETAINER
52	25-20385	O-RING, (.239 x .070)
53	84-880745T1	HARNESS ASSEMBLY, Fuel Rail
54	54-883941	CLAMP
55	54-8M0024808	J CLIP (Use where Applicable)
56	10-82130040	SCREW, (M6 x 40)

▶Fuel Pump (24 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY
1	NSS	NOT SOLD SEPARATE, Fuel Pump
2	21-857005A1	DIAPHRAGM KIT
3	NSS	NOT SOLD SEPARATE, Diaphragm
4	NSS	NOT SOLD SEPARATE, Retainer
5	NSS	NOT SOLD SEPARATE, Spring
6	NSS	NOT SOLD SEPARATE, Cap
7	NSS	NOT SOLD SEPARATE, Spring
8	NSS	NOT SOLD SEPARATE, Cap
9	NSS	NOT SOLD SEPARATE, Diaphragm
10	NSS	NOT SOLD SEPARATE, Gasket-Boost
11	NSS	NOT SOLD SEPARATE, Gasket-Pulse
12	27-8M0204705	GASKET
13	987752	PLATE
14	22-996642	FITTING, Elbow 90 Degree (.125-27 x .250) Nylon
15	10-82104540	SCREW, (M5 x 40), Fuel Pump
16	10-82130050	SCREW, (M6 x 50), Pump to Crankcase
17	144303	BASE
18	22-782792	FITTING, Elbow 45 Degree (1.25)
19	22-888493	ELBOW
20	25-8M0204683	O-RING, (.301 x .070)
21	54-816311T	TIE STRAP, (8.00 Inches)
22	32-8M0043979	HOSE AND SLEEVE ASSEMBLY, (18.00 Inches)
23	22-822769	CONNECTOR

▶Fuel Rails (34 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY
1	8M6001743	INJECTOR KIT, Air
2	12-828694A1	WASHER ASSEMBLY, Cupped
3	NSS	NOT SOLD SEPARATE, Fuel Rail-Port
4	NSS	NOT SOLD SEPARATE, Fuel Rail-Starboard
5	54-804830	CLAMP
6	54-8048311	CLAMP
7	54-804832	CLAMP
8	8M0041097	CLAMP
9	25-804529	O-RING KIT
10	19-804835	PLUG
11	22-804836	FITTING
12	804837	VALVE ASSEMBLY, (.5 Inch Diameter)
13	8M0047053	VALVE ASSEMBLY, (.375 Inch Diameter)
14	22-805515	CAP, Shrader Valve - Brass
15	25-804840	O-RING KIT
16	25-804530	O-RING KIT
17	804533	DIAPHRAGM ASSEMBLY
18	24-804534	SPRING
19	25-804536	O-RING
20	804535001	COVER
21	804526	SCREW PACKAGE, (M5 x 16) (2 Per)
22	804532	O-RING KIT (16 per kit)
23	10-804525001	SCREW PACKAGE, (2 Per)(M5 x 10)
24	32-804827	HOSE, Fuel Balance
25	32-889310	HOSE, Fuel Supply, To Vapor Separator
26	32-889311	HOSE, Fuel By Pass
27	8M0222157	INJECTOR, Fuel
28	804532	O-RING KIT
29	11-826292	NUT, (M10) Brass/Nickel Plated
30	54-859376	CLIP, Conduit
31	16-8M0063255	STUD, (M10 x 91)
32	54-8M0214964	CLAMP, Hose (15.3)
33	26-888852	SEAL, Fuel Director

▶Gear Housing(Driveshaft)(Standard/Counter Rotation) (46 parts)

Ref	OEM Part #	Part Name
-	47-8M0100526	REPAIR KIT, Water Pump Impeller
1	1623-859399T18	GEAR HOUSING ASSEMBLY, Basic
2	17-379721	PIN
3	821526001	FILLER BLOCK
4	859402	PITOT TUBE
5	97-826134Q	ANODE
6	10-4000333	SCREW, (M6 x 40)
7	11-401386	NUT, (M6) Stainless Steel
8	31-42647A1	BEARING ASSEMBLY, Roller
9	17-43044	PIN, Dowel - Without Hole (.375 x .625)
10	10-79953Q04	SCREW KIT, (.375-16 x .250) Drain
11	26-8M0204693	SEAL
12	22-881866	FITTING
13	10-1993716	SCREW, (M6 x 16)
14	858934	COVER
15	27-858935	GASKET
16	NSS	NOT SOLD SEPARATE, Pinion Gear (1.75:1 - 12/21)(Part of 43-859321A3 or 43-828695A1)
17	12-92721	WASHER
18	11-35921	NUT, (.625-18)
19	26-8M0204708	SEAL, Oil
20	25-896522	O-RING, (799 x .103)
21	10-1993716	SCREW, (M6 x 16)
22	12-77674	WASHER
23	824145	SHIFT SHAFT
24	45-881943	DRIVESHAFT Comment: (XX-Long)
25	15-8M0063268	SHIM ASSEMBLY
26	31-8M0146553	BEARING, Tapered Roller
27	NSS	NOT SOLD SEPARATE, Cup
28	28-8M0204723	KEY
29	15-42637A1	SHIM SET
30	31-8M0146566	BEARING ASSEMBLY, Roller/Cup
31	NSS	NOT SOLD SEPARATE, Cup
32	8245191	RETAINER
33	8M0214948	CARRIER ASSEMBLY
34	25-8M0142854	O-RING, (2.175 x .103) Comment: (Black)
35	26-8M0214939	SEAL, Oil
36	26-8M0214939	SEAL, Oil
37	817275A2	HOUSING KIT, Upper Water Pump
38	26-816575A2	SEAL KIT
39	27-430331	GASKET
40	27-8172771	GASKET
41	8M0204709	FACEPLATE
42	47-43026T2	IMPELLER
43	832942A1	COUPLING ASSEMBLY
44	25-8M0204645	O-RING, (.796 x .139)
45	25-8M0204654	O-RING, (1.046)

▶Gear Housing, Propeller Shaft - Counter Rotation (40 parts)

Ref	OEM Part #	Part Name
-	26-816575A4	SEAL KIT, Gear Housing
1	1623-859399T18	GEAR HOUSING ASSEMBLY, Basic
2	22-859403	PLUG
3	8M0226861	SHIFT CRANK
4	8M0235940	SPOOL ASSEMBLY
5	NSS	NOT SOLD SEPARATE, Spool
6	NSS	NOT SOLD SEPARATE, Sleeve
7	18-469501	COTTER PIN
8	15-44491A1	SHIM SET
9	828830A2	ADAPTOR ASSEMBLY, Bearing
10	31-814653T	BEARING ASSEMBLY, Needle Rollers
11	12-815481	THRUST WASHER
12	31-815480	BEARING, Thrust
13	43-828696T2	GEAR, Reverse (12/21)
14	31-15844	BEARING ASSEMBLY, Roller
15	24-30893	SPRING
16	52-859340T	CLUTCH
17	17-8M0100263	PIN, Cross
18	17-828356	PIN, Detent
19	44-8M0140448	PROPELLER SHAFT
20	43-828695A1	GEAR SET, Forward/Pinion (12/21)
21	23-1761526	SPACER SHIM, (.230)
22	31-815480	BEARING, Thrust
23	12-815481	THRUST WASHER
24	828831A3	ADAPTOR ASSEMBLY, Bearing
25	31-814653T	BEARING ASSEMBLY, Needle Rollers
26	12-18448	THRUST WASHER
27	31-15842	BEARING, Thrust
28	8182911	RACE, Thrust
29	814605	KEEPER
30	25-8M0142840	O-RING, (3.850 x .210)
31	818290T8	CARRIER ASSEMBLY, Bearing
32	31-30956T	BEARING, Needle
33	26-14077	SEAL, Oil (Inside)
34	26-8M0204670	SEAL (Outside)
35	14-18323	TAB WASHER
36	8M2011027	RETAINER
37	97-76214Q5	ANODE KIT
38	10-8M0204686	SCREW, (.437-14 x 1.750)
39	NSS	NOT SOLD SEPARATE, Decal- Counter Rotation

▶Gear Housing, Propeller Shaft - Standard Rotation (32 parts)

Ref	OEM Part #	Part Name
-	26-816575A4	SEAL KIT, Gear Housing
1	1623-859399T18	GEAR HOUSING ASSEMBLY, Basic
2	22-859403	PLUG
3	8M0226861	SHIFT CRANK
4	8M0235940	SPOOL ASSEMBLY
5	NSS	NOT SOLD SEPARATE, Shift Spool
6	18-469501	COTTER PIN
7	NSS	NOT SOLD SEPARATE, Sleeve
8	43-859321A3	GEAR SET, Forward/Pinion (12/21)
9	15-44491A1	SHIM SET
10	31-30894A1	BEARING SET, Cup And Cone
11	NSS	NOT SOLD SEPARATE, Cup
12	53-856823	RING, Retaining
13	31-30895T	BEARING, Needle
14	24-30893	SPRING
15	52-859340T	CLUTCH
16	17-828356	PIN, Detent
17	17-8M0100263	PIN, Cross
18	44-8M0140440	PROPELLER SHAFT
19	43-859322A1	GEAR, Reverse (12/21)
20	23-824108	SPACER
21	681001	RING, Thrust
22	30-88957T	BEARING, Ball
23	25-8M0142840	O-RING, (3.850 x .210)
24	818763T11	CARRIER ASSEMBLY, Bearing
25	31-30956T	BEARING, Needle
26	26-14077	SEAL, Oil (Inside)
27	26-8M0204670	SEAL (Outside)
28	14-18323	TAB WASHER
29	8M2011027	RETAINER
30	97-76214Q5	ANODE KIT
31	10-8M0204686	SCREW, (.437-14 x 1.750)

▶Mercathode Kit (15 parts)

Ref	OEM Part #	Part Name
1	88334A2	MERCATHODE KIT
2	88334A4	MERCATHODE ASSEMBLY
3	10-22793	SCREW, (#9-14 x .875)
4	12-30164	WASHER, (.192 x .375 x .0312) Stainless Steel
5	10-32,11-45076	NUT, Brass
6	72958A5	ELECTRODE ASSEMBLY
7	25-8M0204645	O-RING, (.796 x .139)
8	10-87698	SCREW, (#10-16 x 1.250) Stainless Steel
9	97-72957A5	ANODE ASSEMBLY
10	25-8M0204645	O-RING, (.796 x .139)
11	10-87698	SCREW, (#10-16 x 1.250) Stainless Steel
12	88-8M0207796	FUSE, 20 Ampere
13	84-95084A10	CABLE ASSEMBLY, (5.00 Inches) Red
14	84-95084A13	CABLE ASSEMBLY, (64.00 Inches)
15	84-79138A8	CABLE ASSEMBLY, (72.00 Inches) Black

▶Oil Injection Components (20 parts)

Ref	OEM Part #	Part Name
1	1200-8M0119508	TANK ASSEMBLY
2	NSS	NOT SOLD SEPARATE, Decal-Reservoir
3	10-58376	SCREW, (.164-18 x .375)
4	12-72761	WASHER, (.203 x .562 x .060) Stainless Steel
5	36-814449A3	CAP ASSEMBLY
6	27-42999T	GASKET
7	87-856156T02	SWITCH ASSEMBLY
8	10-81893435	SCREW, (M8 x 35)
9	12-4002318	WASHER
10	25-855362001	GROMMET
11	23-855364	BUSHING
12	32-8M0108355	HOSE, (57.00 Inches Bulk) (Cut to 7 Inches)
13	54-816311T	TIE STRAP, (8.00 Inches)
14	22-8M0207780	FITTING
15	32-875283	HOSE, (2.00 Inches)
16	35-875284T01	FILTER, Oil - In Line
17	32-875289	HOSE
18	22-858955	CONNECTOR
19	NSS	NOT SOLD SEPARATE, Plug
20	32-892830053	HOSE, (24.00 Inches Braided) (Cut to 22 Inches)

▶Oiling System (33 parts)

Ref	OEM Part #	Part Name
1	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 11.50 Inches To Block
2	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 5 Inches To Block
3	35-8M0207786	FILTER, Fuel
4	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 9 Inches
5	1200-8M0064075	TANK, Oil
6	NSS	NOT SOLD SEPARATE, Decal-Reservoir
7	25-855362001	GROMMET
8	23-855364	BUSHING
9	23-883050	SPACER
10	10-58376	SCREW, (.164-18 x .375)
11	12-72761	WASHER, (.203 x .562 x .060) Stainless Steel
12	87-856156T04	SWITCH
13	32-885553	HOSE
14	22-8M0207780	FITTING
15	19-887609	PLUG
16	12-4002318	WASHER
17	10-81893435	SCREW, (M8 x 35)
18	54-816311T	TIE STRAP, (8.00 Inches)
19	32-8752891	HOSE, To Block
20	22-858955	CONNECTOR
21	32-875283	HOSE, (2.00 Inches)
22	35-875284T01	FILTER, Oil - In Line
23	NSS	NOT SOLD SEPARATE, Plug
24	32-892830053	HOSE, (24.00 Inches Braided), Cut to 22 Inches To Center of Oil Pump
25	32-8M0054213	HOSE, (40.00 Inches Bulk), Cut to 34 Inches To Oil Pump Connection Illustrated as #2
26	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 19.50 Inches To Oil Pump Connection Illustrated as #6
27	56762	TIE STRAP, (4.00 Inches)
28	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 11 Inches To Oil Pump Connection Illustrated as #5
29	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 6 Inches To Oil Pump Connection Illustrated as #4
30	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 4 Inches To Oil Pump Connection Illustrated as #3
31	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 22 Inches To Oil Pump Connection Illustrated as #1
32	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 16 Inches To Oil Pump Connection Illustrated as #7
33	10-81893460	SCREW, (M8 x 60)

▶Port Bleed System (13 parts)

Ref	OEM Part #	Part Name
-	883894A07	POWERHEAD ASSEMBLY Comment: (250)
1	21-8282182	CHECK VALVE
2	22-8272011	PIPE PLUG
3	32-8M0054152	TUBING, (38.00 Inches Bulk) (Cut to 20-1/2 Inches)
4	21-8159234	CHECK VALVE
5	21-8592352	CHECK VALVE, 90 Degree (.0625-27)
6	32-8M0054152	TUBING, (38.00 Inches Bulk) (Cut to 13 Inches)
7	21-426585	CHECK VALVE
8	22-8272011	PIPE PLUG
9	54-23567	CLIP
10	10-878608	SCREW, (#10-16 x .500)
11	32-8M0054152	TUBING, (38.00 Inches Bulk) (Cut to 11 Inches)
12	32-892024122	TUBING, (240.00 Inches Bulk) (Cut to 22-1/2 Inches)

▶Port Center Main Oiling System (14 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY
1	22-887801	FITTING, Elbow 90 Degree (.0625-27)
2	22-887801	FITTING, Elbow 90 Degree (.0625-27)
3	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 20.5 Inches
4	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 5 Inches
5	21-8592352	CHECK VALVE, 90 Degree (.0625-27)
6	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 13 Inches
7	21-8282182	CHECK VALVE
8	21-8582362	CHECK VALVE
9	54-23567	CLIP
10	10-878608	SCREW, (#10-16 x .500)
11	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 4.75 Inches
12	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 11 Inches
13	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 9.5 Inches

▶Power Trim Components (38 parts)

Ref	OEM Part #	Part Name
-	855998A11	POWER TRIM ASSEMBLY, Complete
1	878265A4	TRIM MOTOR
2	NSS	NOT SOLD SEPARATE, Armature
3	NSS	NOT SOLD SEPARATE, End Frame
4	10-82494830	SCREW, (M6 x 30)
5	13-400256	LOCKWASHER, (M6)
6	8782451	DRIVESHAFT
7	878410A1	PO CHECK KIT
8	893929A01	MANUAL RELEASE ASSEMBLY (Includes Reference #26)
9	8M0142997	SHAFT KIT
10	17-878267	PIN
11	878235A03	TILT CYLINDER ASSEMBLY
12	878239A02	GUIDE KIT (Includes Reference #26)
13	8M0142999	O-RING KIT (Includes Reference #26)
14	8M0168219	SHOCK ROD KIT (Includes Reference #26)
15	8M0143000	PISTON ASSEMBLY, Memory
16	878406A02	REPAIR KIT, Check Valve (Includes Reference #26)
17	878414T01	PISTON ASSEMBLY
18	878413A1	PISTON ASSEMBLY
19	1100-8M0021648	GUIDE ASSEMBLY
20	878264A1	RESERVOIR KIT
21	19-811613	PLUG ASSEMBLY
22	10-4000327	SCREW, (M6 x 14)
23	12-4002315	WASHER
24	892251A01	PUMP KIT
25	878408A1	REPAIR KIT, Power Trim
26	17-821539	PIN, Trilobe
27	10-858771	SCREW, (M10 x 30)
28	12-4002319	WASHER
29	97-818298Q1	ANODE KIT
30	10-8M0204707	SCREW, (M6 x 25)
31	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
32	99625002	SHAFT
33	8M0084613	C WASHER
34	54-26550	CLAMP
35	10-878609	SCREW, (#10-16 x .600)
36	32-828547353	CONDUIT, (.350 Inside Diameter x 3.00 Feet Bulk) (Cut to 12 Inches)
37	54-816311T	TIE STRAP, (8.00 Inches)

▶Powerhead Gasket Set Components (2 parts)

Ref	OEM Part #	Part Name
-	27-832934A00	GASKET SET, Powerhead
0	26-854639001	SEAL, Thermostat Comment: (Not used for this application)

▶Reservoir Kit-Remote Oil(15943A1) (16 parts)

Ref	OEM Part #	Part Name
-	824954A1	BRACKET KIT, Oil Reservoir Hold Down Comment: (Includes ref. 2)
1	15943A2	TANK ASSEMBLY, Oil (1.8 Gallon Tank)
2	NSS	NOT SOLD SEPARATE, BRACKET, Tank Mount Comment: (Also sold with Bracket Kit Below)
3	NSS	NOT SOLD SEPARATE, HANDLE/ROPE
4	12323A1	CORD/HOOK KIT
5	12320	BRACKET, Hold Down
6	10-79968	SCREW, (#12-11 x .750)
7	36-43298A2	CAP ASSEMBLY, Oil Reservoir
8	NSS	NOT SOLD SEPARATE, CORD
9	25-11332	O-RING, (2.225 x .210), Cap
10	816190A4	HOUSING ASSEMBLY, Adapter
11	36-43298A2	CAP ASSEMBLY, Housing Adaptor
12	25-11332	O-RING, (2.225 x .210)
13	32-99802	TUBE, Oil Pick Up
14	32-99439	HOSE, (114.00 Inches)
15	54-816311T	TIE STRAP, (8.00 Inches)

▶Service/Support Material (1 parts)

Ref	OEM Part #	Part Name
-	37-804658A06	DECAL, EPA Label Information

▶Shift Components (37 parts)

Ref	OEM Part #	Part Name
1	884526T	PLATE, Actuator
2	25-855362001	GROMMET
3	23-855364	BUSHING
4	8M0124413	SHIFT ACTUATOR
5	23-884532001	BUSHING
6	12-898097	WASHER
7	10-81893435	SCREW, (M8 x 35)
8	884530	BELL CRANK
9	23-888589	WEAR SLEEVE
10	10-81893460	SCREW, (M8 x 60)
11	12-898097	WASHER
12	17-841098	PIN
13	885569	SPLIT RING
14	884599	SPACER
15	NSS	NOT SOLD SEPARATE, Cotter Pin (See Outboard Parts Bulletin 2003-10)
16	84-88807A6	CABLE ASSEMBLY, (3.50 Inches) Black
17	23-884554	BUSHING
18	10-82155025	SCREW, (M8 x 25 MM) Stainless Steel
19	54-828991T	CLIP
20	884528	SHIFT RAIL
21	884527	SHIFT SLIDER
22	87-8M0207794	SWITCH
23	10-82470620	SCREW, (M3.5 x 20)
24	11-401386	NUT, (M6) Stainless Steel
25	12-35459	WASHER
26	10-82104510	SCREW, (M5 x 10)
27	12-65567	WASHER, (.265 x .750 x .048) Stainless Steel
28	887901	BUSHING
29	23-884555	BUSHING
30	884529	SHIFT LINK
31	896845003	SHIFT SHAFT, (XX-Long)
32	23-42994	BUSHING
33	11-401386	NUT, (M6) Stainless Steel
34	12-4002318	WASHER
35	16-884824	STUD, (M8 x 50)
36	11-401388	NUT, (M8) Stainless Steel
37	12-889661	WASHER, Rubber

▶Solenoid Plate (50 parts)

Ref	OEM Part #	Part Name
-	NSS	NOT SOLD SEPARATE, Bracket Assembly-Complete
1	858366T2	PLATE
2	54-858755	CLIP, (1.00)
3	89-817109A2	SOLENOID ASSEMBLY, (#10-32 / .3125-18 Terminals)
4	25-822179	GROMMET
5	10-82129125	SCREW, (M6 x 25 MM)
6	23-8M0214955	BUSHING
7	8M0207773	RELAY ASSEMBLY
8	828102	BRACKET
9	23-8M0214955	BUSHING
10	25-818967	GROMMET
11	54-828991T	CLIP
12	10-82129110	SCREW, (M6 x 10)
13	10-32,11-45076	NUT, Brass
14	10-32,11-813938	CAP NUT,
15	84-88439A46	CABLE ASSEMBLY, Battery - Positive
16	84-882829A1	CABLE ASSEMBLY, Starter
17	13-53166	LOCKWASHER, (.312)
18	11-8M0204668	NUT, (.312-18)
19	84-819514A22	HARNESS ASSEMBLY, Trim
20	89790702T	PCM, Propulsion Control Module Comment: (225)
21	10-82130025	SCREW, (M6 x 25)
22	12-65567	WASHER, (.265 x .750 x .048) Stainless Steel
23	25-8M0190980	GROMMET
24	23-856954	BUSHING
25	54-891520001	CLIP
26	10-82129114	SCREW, (M6 x 14)
27	54-816311T	TIE STRAP, (8.00 Inches)
28	10-82130012	SCREW, (M6 x 12)
29	10-81893420	SCREW, (M8 x 20)
30	84-88439A26	CABLE ASSEMBLY, Battery - Negative
31	84-878231A6	HARNESS ASSEMBLY, Fuse - 100 Ampere
32	25-8M0190980	GROMMET
33	23-856954	BUSHING
34	54-891520001	CLIP
35	10-82129114	SCREW, (M6 x 14)
36	892295F01	BRACKET
37	25-8M0190980	GROMMET
38	23-822003	BUSHING
39	881879T11	SENSOR, Pressure (0 - 100 PSI)
40	22-8M0207782	FITTING
41	54-883066	CLIP, (.865)
42	54-879962	CLIP
43	10-82130025	SCREW, (M6 x 25)
44	10-82130012	SCREW, (M6 x 12)
45	84-88439A26	CABLE ASSEMBLY, Battery - Negative
46	10-81893420	SCREW, (M8 x 20)
47	877613A02	CONNECTOR ASSEMBLY, Weather Cap 6 Pin
48	830796A04	CONNECTOR ASSEMBLY, Weather Cap - Male
49	830796A04	CONNECTOR ASSEMBLY, Weather Cap - Male

▶Speedometer/Block Pressure System (8 parts)

Ref	OEM Part #	Part Name
1	22-881866	FITTING
2	32-85978571	TUBING, (52.00 Inches Bulk) (Cut to 44 Inches)
3	22-8M0214971	COUPLER
4	22-859732	PLUG
5	22-8M0214970	FITTING, Adapter
6	32-85978571	TUBING, (52.00 Inches Bulk) (Cut to 5 Inches)
7	22-875207	TEE, Fitting, To Coil Plate Sensor
8	32-85944975	TUBING, (72.00 Inches Bulk) (Cut to 52 Inches)

▶Starboard Bleed System (8 parts)

Ref	OEM Part #	Part Name
-	883894A07	POWERHEAD ASSEMBLY Comment: (250)
1	32-8M0054152	TUBING, (38.00 Inches Bulk) (Cut to 15-1/2 Inches)
2	21-8592352	CHECK VALVE, 90 Degree (.0625-27)
3	32-8M0054152	TUBING, (38.00 Inches Bulk) (Cut to 16-1/2 Inches)
4	32-8M0054152	TUBING, (38.00 Inches Bulk) (Cut to 15 Inches)
5	54-23567	CLIP
6	10-878608	SCREW, (#10-16 x .500)
7	21-8282182	CHECK VALVE

▶Starboard Center Main Oiling System (8 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY
1	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 15.5 Inches
2	21-8592352	CHECK VALVE, 90 Degree (.0625-27)
3	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 16.5 Inches
4	32-8M0054152	TUBING, (38.00 Inches Bulk), Cut to 15 Inches
5	54-23567	CLIP
6	10-878608	SCREW, (#10-16 x .500)
7	22-887801	FITTING, Elbow 90 Degree (.0625-27)

▶Start/Stop Switch Kit (7 parts)

Ref	OEM Part #	Part Name
-	87-8M0117133	SWITCH KIT, Start/Stop - Triple
1	NSS	NOT SOLD SEPARATE, Start/Stop Pad and Base
2	891633T01	BEZEL
3	10-892927T	SCREW, (#6-32 x .250)
4	27-892218	GASKET
5	11-8M0204699	NUT, (52 mm)
6	54-850181	TIE STRAP, (11.750 Inches)

▶Starter Motor (14 parts)

Ref	OEM Part #	Part Name
1	50-892339T01	STARTER MOTOR ASSEMBLY
2	NSS	NOT SOLD SEPARATE, Thru Bolt
3	43-880805A1	GEAR KIT
4	809463A1	SOLENOID KIT
5	8M0065258	BRUSH SET
6	10-69035	SCREW AND LOCKWASHER, (.250-20 x .625) Stainless Steel
7	84-93388A1	CABLE ASSEMBLY, (6.00 Inches) Black
8	37-8272822	DECAL, Warning
9	13-400255	LOCKWASHER, (M5)
10	11-400211	NUT, (M5) Stainless Steel
11	13-8M0204647	LOCKWASHER, (.312)
12	11-400213	NUT, (M8) Stainless Steel
13	23-8M0034918	COLLAR
14	8M0043276	STOP

▶Swivel Bracket and Steering Arm (32 parts)

Ref	OEM Part #	Part Name
1	1499-8M0102865	SWIVEL BRACKET ASSEMBLY, Black
2	25-8M0214926	O-RING
3	23-818764	BUSHING
4	23-816039	SPACER
5	26-87735	SEAL, Oil, Lower
6	22-8M0169589	FITTING, Grease
7	23-821207	BUSHING
8	12-816432	THRUST WASHER
9	826364T	YOKE, Bottom
10	53-67684	RING, Retaining
11	8M0045383	STRIKER PLATE
12	13-58643	LOCKWASHER, (.375)
13	11-46335	NUT, (.375-24)
14	10-64014	SCREW, (.250-28 x .500)
15	NSS	NOT SOLD SEPARATE, Decal-Serial Overlaminate
16	896688001	SENDER ASSEMBLY, Trim
17	10-852368	SCREW, (#10-24 x .750)
18	10,13-26996	LOCKWASHER, Stainless Steel
19	12-89302	WASHER, (.203 x .406 x .040)
20	17-8M0132731	SWIVEL PIN ASSEMBLY, Steering Arm - Stainless Steel
21	10-8M0141069	SCREW, (M12 x 190)
22	824998001	BUMPER
23	8163851	MOUNT, Upper
24	12-8154371	WASHER
25	12-815436	WASHER
26	11-896963	NUT, (M12)
27	8M0036783	CLAMP
28	10-81893435	SCREW, (M8 x 35)
29	92876A12	LINK ROD ASSEMBLY
30	10-849838	SCREW, (.375-24 x 1.250)
31	11-8M0204726	NUT, (.375-24) Stainless Steel
32	12-37828	WASHER, (.390 x .625 x .062) Stainless Steel

▶Throttle Linkage (45 parts)

Ref	OEM Part #	Part Name
1	8M0040987	LEVER
2	10-81893460	SCREW, (M8 x 60)
3	23-887605	BUSHING
4	23-821113	BUSHING
5	10-40124	SCREW, (M6 x 55)
6	11-400212	NUT, (M6) Stainless Steel
7	42942	CAP
8	42927	INSERT
9	11-401386	NUT, (M6) Stainless Steel
10	23-8M0215006	BUSHING
11	884834	LINK
12	824010T05	BRACKET, Anchor
13	824016	LATCH
14	10-42975	DRIVE SCREW
15	824015	CUP, Barrel Retainer
16	10-82155025	SCREW, (M8 x 25 MM) Stainless Steel
17	12-43430	WASHER
18	10-82155025	SCREW, (M8 x 25 MM) Stainless Steel
19	8M0039052	BRACKET, Slide
20	87-8M0207794	SWITCH
21	54-816311T	TIE STRAP, (8.00 Inches)
22	10-82470620	SCREW, (M3.5 x 20)
23	12-35459	WASHER
24	883142A03	SHIFT LINK KIT
25	8539683	SLIDE
26	11-401386	NUT, (M6) Stainless Steel
27	23-42994	BUSHING
28	8240703	SHIFT SHAFT, Upper Comment: (XX-Long)
29	10-40011113	SCREW, (M5 x 45) Stainless Steel
30	8582261	COVER, TPS
31	8M0008111	LINK, TPI
32	883081	LEVER
33	8M6005165	INDICATOR, Throttle Position
34	10-82130025	SCREW, (M6 x 25) (M6 x 25)
35	12-65567	WASHER, (.265 x .750 x .048) Stainless Steel
36	25-8M0190980	GROMMET
37	23-856954	BUSHING
38	8544862	BRACKET
39	54-858932	CLIP
40	858353T5	CAM ASSEMBLY
41	8235694	BALL, Threaded
42	23-8M0215006	BUSHING
43	10-40011155	SCREW, (M8 x 55) Stainless Steel
44	23-8807371	BUSHING
45	12-56720	WASHER, (.330 x .750 x .060) Stainless Steel

▶Tools (2 parts)

Ref	OEM Part #	Part Name
-	91-899883A08	TEST TOOL, Direct Injector
0	91-881814A1	SEAL KIT, Wire Harness (Electricl)

▶Top Cowl (24 parts)

Ref	OEM Part #	Part Name
-	37-8M0061186	DECAL, Horsepower 225
1	100-8M0075372	TOP COWL ASSEMBLY, Mercury, Without decals Comment: ProXS
2	10-82130030	SCREW, (M6 x 30)
3	884041A04	SOUND BLANKET KIT
4	NSS	NOT SOLD SEPARATE, Sound Blanket-Top
5	NSS	NOT SOLD SEPARATE, Sound Blanket-Port
6	13-93702	WASHER, (.250 External Star)
7	826639T	COVER
8	8M0010389	BRACKET ASSEMBLY, Cowl
9	NSS	NOT SOLD SEPARATE, Pin
10	53-8237951	RING, Retaining
11	8M0207770	ROLLER
12	25-850685T02	GROMMET
13	8M0036792	BRACKET, Front
14	10-82130020	SCREW, (M6 x 20)
15	815477	BUMPER, Latch
16	8155381	PIN, Roll
17	11-401366	NUT, (M6) Stainless Steel
18	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
19	53-8237951	RING, Retaining
20	8M0207770	ROLLER
21	12-87161	WASHER
22	NSS	NOT SOLD SEPARATE, Decal-Break-In
23	NSS	NOT SOLD SEPARATE, Decal-Counter Rotation

▶Transom Brackets (20 parts)

Ref	OEM Part #	Part Name
1	3426-828334T03	BRACKET ASSEMBLY, Transom-Starboard
2	3425-828333T08	BRACKET ASSEMBLY, Transom-Port
3	22-8M0169588	FITTING, Grease, Port
4	826125A1	TILT TUBE
5	11-826135	NUT, (1.00-14) Nylon Insert
6	25-45711	O-RING, (.612 x .103)
7	13-88750	WASHER
8	11-826164	NUT, (.875-14)
9	10-8M0204730	SCREW, (.500-20 x 5 Inches)
10	12-8M0204665	WASHER, (.530 x .870 x .105) Stainless Steel
11	12-8M0204648	WASHER, (1.5 x 3.05 x 0.13) Stainless Steel
12	11-82671117	NUT, (.500-20)
13	8M0115104	LEVER ASSEMBLY, Tilt Lock
14	24-830899	SPRING, Tension
15	23-65830	NYLINER
16	24-830900	SPRING, Compression
17	99633	KNOB
18	17-99615	PIN, Groove
19	17-893709	PIN
20	37-8M0043059	DECAL, Warning

▶Vapor Separator Components (42 parts)

Ref	OEM Part #	Part Name
-	25-889316A1	O-RING KIT, Vapor Seperator
1	889317T1	COVER KIT
2	NSS	NOT SOLD SEPARATE, Seat
3	889318001	PLATE, Baffle
4	10-883223	SCREW, (M6 x 16)
5	27-889319	GASKET
6	22-883556	FITTING
7	25-8M0062785	O-RING
8	22-889329	FITTING
9	19-883208	PLUG
10	35-8M0122423	FILTER, Fuel
11	889320A1	FLOAT KIT
12	F10064	SHAFT
13	888725T02	PUMP ASSEMBLY, Fuel - High Pressure
14	8M6000589	SLEEVE
15	25-8893162	O-RING
16	26-889321	SEAL
17	889328	RETAINER
18	1395-9643	SCREW
19	888733T02	PUMP ASSEMBLY, Boost
20	25-889322	GROMMET
21	25-889316	O-RING
22	26-8M6001413	SEAL
23	889324T03	BOWL KIT
24	84-889325A02	WIRE
25	NSS	NOT SOLD SEPARATE, Check Valve
26	22-855424011	FITTING
27	889326A1	VALVE KIT, Inlet
28	10-889327002	SCREW, Drain
29	32-883545002	HOSE
30	8M0214989	SENSOR, Water
31	22-782792	FITTING, Elbow 45 Degree (1.25)
32	25-627021	O-RING, (.301 x .070)
33	889430	INSERT
34	884820	SHRADER VALVE
35	25-891778	O-RING
36	54-884819	CLIP
37	10-82130012	SCREW, (M6 x 12)
38	25-855362001	GROMMET
39	23-883050	SPACER
40	10-81893460	SCREW, (M8 x 60)
41	12-4002318	WASHER

▶Water Hoses (14 parts)

Ref	OEM Part #	Part Name
-	877869A07	POWERHEAD ASSEMBLY
NS	54-8M0214964	CLAMP, Hose (15.3) Comment: (Use with Tubing 32-856839)
1	22-858855	FITTING, Straight
2	54-816311T	TIE STRAP, (8.00 Inches)
3	32-859090001	HOSE, Starboard Dump
4	32-859089001	HOSE, Port Dump
5	32-856839	TUBING
6	54-816311T	TIE STRAP, (8.00 Inches)
7	32-858807	HOSE
8	54-816311T	TIE STRAP, (8.00 Inches)
9	32-858865	HOSE
10	54-816311T	TIE STRAP, (8.00 Inches)
11	22-291112	FITTING
12	22-996642	FITTING, Elbow 90 Degree (.125-27 x .250) Nylon

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 225 (3.0L-DFI)(DTS) running reliably season after season. Most of these tasks can be performed with basic tools and the factory service manual.

Replace water pump impeller and inspect wear plate
Change engine oil and oil filter (check drain plug washer)
Replace spark plugs and check ignition timing
Drain and refill lower unit gear oil; inspect for water contamination
Inspect fuel lines, primer bulb, and fuel filter for deterioration
Check and replace sacrificial anodes (zinc or aluminum)
Inspect propeller for damage; check shaft seal and cotter pin
Check valve clearance (refer to service manual for specifications)
Lubricate all grease points (steering, tilt tube, shift linkage)
Inspect control cables and throttle/shift linkage for smooth operation

Pro Tip: Always flush the engine with fresh water after saltwater use — even a quick 10-minute flush significantly extends component life.
Pro Tip: Use fuel stabilizer in the tank before winter storage, and fog the cylinders to prevent internal corrosion during extended periods of non-use.

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Mercury 225 (3.0L-DFI)(DTS) (1B417702 THRU 1B504988) Parts & Diagrams

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