Mercury 225 (DFI) (0G960500 THRU 0T178499) Parts & Diagrams

🔎 Mercury 225 (DFI) Reference Library — Exploded parts diagrams (39 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 225 (DFI) 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 (DFI):

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 (DFI).

▶Accessories (1 parts)

Ref	OEM Part #	Part Name
-	79-859067A1	SMART TACH KIT Comment: (0-7000 RPM) (White Face)

▶Air Compressor Components (30 parts)

Ref	OEM Part #	Part Name
-	25-832804A03	O-RING KIT
1	8M0063279	COMPRESSOR ASSEMBLY, Air
2	1100-8M0050792	END CAP ASSEMBLY
3	NSS	NOT SOLD SEPARATE, Snap Ring
4	10-82130020	SCREW, (M6 x 20)
5	25-89224	O-RING
6	25-832804	O-RING, (2.739 x .070)
7	653-833146T06	CONNECTING ROD ASSEMBLY
8	828222A4	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	835087A3	HEAD ASSEMBLY, Compressor
15	22-8307532	FITTING, Straight
16	22-856744	FITTING
17	25-831985	O-RING, (.468 x .078)
18	22-856827	FITTING
19	21-428641	FITTING, Check Valve
20	22-151331	FITTING
21	22-16604	FITTING, Straight (.125-27)
22	10-82446035	SCREW, (M8 x 35)
23	13536A12	SENSOR ASSEMBLY, Temperature
24	137151	RETAINER
25	10-81893412	SCREW, (M8 x 12)
27	10-85593912	SCREW, (M6 x 12)
28	8M0175171	PULLEY
29	10-81893450	SCREW, (M8 x 50)
30	22-390721	PLUG, Pipe (.125-27) Brass

▶Air Handler (28 parts)

Ref	OEM Part #	Part Name
1	850296T4	COVER
2	25-86361	GROMMET
3	25-13467	GROMMET, (.88 Inside Diameter)
4	25-8M0153609	GROMMET
5	35-853333T	FILTER
6	8544932	COVER
7	10-40056106	SCREW, (M5 x 13)
8	858539T1	AIR HANDLER ASSEMBLY
9	37-881865	DECAL, Caution Comment: (Start In Gear)
10	855756A1	BRACKET
11	10-1993716	SCREW, (M6 x 16)
12	8M0047624	PUMP ASSEMBLY
13	25-856928	GROMMET
14	22-855802A1	ELBOW
15	54-8M0214911	CLAMP, (15.7)
16	32-856825	HOSE
17	23-85686953	SLEEVE, (27.00 Inches Bulk)
18	22-880862A1	FITTING
19	25-805062	O-RING, (.530 x .082)
20	32-856778	HOSE
21	37-804658A00	DECAL, EPA Label Information Comment: (See Note)
22	10-82130045	SCREW, (M6 x 45)
23	854343T7	ATTENUATOR ASSEMBLY, Air
24	54-23567	CLIP
25	10-69570	SCREW, (#10-16 x .750)
26	84-88807A27	CABLE ASSEMBLY
27	10-16955	SCREW, (M6 x 8)
28	61990	TIE STRAP, (14.00 Inches)

▶Air Handler Components (35 parts)

Ref	OEM Part #	Part Name
-	27-832934A00	GASKET SET, Powerhead
1	858541T1	ADAPTOR PLATE
2	27-804680	GASKET
3	828623T6	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	855631A2	PLENUM KIT, Air
10	10-1993716	SCREW, (M6 x 16)
11	27-804679004	GASKET
12	854445	SENSOR, MAP
13	884522	BRACKET
14	8M0214984	SENSOR ASSEMBLY, Temperature
15	25-627021	O-RING, (.301 x .070)
16	855425A1	THROTTLE BODY KIT
17	10-82130040	SCREW, (M6 x 40)
18	25-855426	O-RING
19	10-81893430	SCREW, (M8 x 30)
20	8M0185614	PUMP ASSEMBLY, Oil
21	67748	ROLLER
22	8588511	LEVER ASSEMBLY, Throttle
23	10-40056107	SCREW, (M5 x 16)
24	12-89302	WASHER, (.203 x .406 x .040)
25	10,13-69432	LOCKWASHER, External
26	53-8237951	RING, Retaining
27	858353A2	CAM ASSEMBLY
28	23-856895	BUSHING
29	10-81893440	SCREW, (M8 x 40)
30	8235694	BALL, Threaded
31	23-8M0215006	BUSHING
32	54-804842	CLAMP
33	10-82130040	SCREW, (M6 x 40)
34	22-856827	FITTING

▶Air Hoses (8 parts)

Ref	OEM Part #	Part Name
-	877869A00	POWERHEAD ASSEMBLY Comment: (225) (Cylinder Heads Casting Number 900-858485C1/C2 Or 900-858483C1/C2)
1	22-856842	ELBOW
2	54-816311T	TIE STRAP, (8.00 Inches)
3	32-8M0064783	HOSE, Pulse Line
4	54-8M0214964	CLAMP, Hose (15.3)
5	32-8567631	HOSE ASSEMBLY
6	32-804828	HOSE
7	32-804829	HOSE ASSEMBLY

▶Bottom Cowl (24 parts)

Ref	OEM Part #	Part Name
1	113-850302A1	BOTTOM COWL, Port Comment: (Port)
2	854367001	PLUG
3	113-850301A1	BOTTOM COWL, Starboard Comment: (Starboard)
4	8M0109218	SEAL, (44.00 Inches)
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	87-8M0042301	SWITCH ASSEMBLY
17	8M8027677	CLAMP, 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	852361T1	HANDLE, Cowl
24	13-29402	WAVE WASHER

▶Crankshaft, Pistons And Connecting Rods (23 parts)

Ref	OEM Part #	Part Name
-	27-832934A00	GASKET SET, Powerhead
1	482-9784A11	CRANKSHAFT
2	NSS	NOT SOLD SEPARATE, Wear Sleeve
3	30-67923T	BEARING, Ball, Lower
4	53-67446	RING
5	39-843198T01	RING
6	28-91800	KEY, Woodruff
7	25-35126	O-RING, (.859 x .139)
8	817001A1	RACE ASSEMBLY, Bearing
9	NSS	NOT SOLD SEPARATE, Needle Roller
10	2720-859445A2	PISTON ASSEMBLY Comment: (Port - .030 Oversize)
11	53-8320811	LOCK RING
12	39-875257A12	RING SET, Piston Comment: (.030 Oversize)
13	NSS	NOT SOLD SEPARATE, Piston Ring, Lower
14	600-8M0125869	CONNECTING ROD ASSEMBLY
15	10-94320	SCREW, (.375-24 x 1.250)
16	31-844338A01	BEARING/CAGE KIT
17	NSS	NOT SOLD SEPARATE, Needle Rolling Bearing
18	12-88263	THRUST WASHER
19	29-8M0204715	NEEDLE, Roller Bearing
20	31-816773A2	BEARING ASSEMBLY, Upper
21	26-859093	SEAL
22	25-823683	O-RING, (1.989 x .070)

▶Cylinder Block And End Cap (69 parts)

Ref	OEM Part #	Part Name
-	27-832934A00	GASKET SET, Powerhead
1	885-9811A50	CYLINDER BLOCK Comment: (200)
2	10-81893440	SCREW, (M8 x 40)
3	8M0111325	COVER
4	16-903509	STUD, (M10 x 1.5 x 64)
5	16-8154431	STUD, (M10 x 1.5 x 155)
6	8248577	DEFLECTOR, Water
7	21-8781051	CHECK VALVE
8	17-8M0036405	PIN
9	17-43044	PIN, Dowel - Without Hole (.375 x .625)
10	19-850309001	PLUG
11	10-81893435	SCREW, (M8 x 35)
12	10-82446180	SCREW, (M10 x 80)
13	8589521	BRACKET
14	54-859376	CLIP
15	8215832	PIN
16	NSS	NOT SOLD SEPARATE, Plug - Serial Number
17	12-8M0214963	WASHER, (.406 x .750 x .105) Stainless Steel
18	11-4013610	NUT, (M10) Stainless Steel
19	8212251	BRACKET
20	10-82130016	SCREW, (M6 x 16)
21	822486	BRACKET, Guide
22	8285581	ENCODER
23	10-82104510	SCREW, (M5 x 10)
24	1171-9787A4	END CAP ASSEMBLY
25	25-62700	O-RING, (3.237 x .103)
26	26-8308981	SEAL
27	10-82130020	SCREW, (M6 x 20)
28	857186T02	PLATE ASSEMBLY
29	23-855729	MOUNT
30	10-82130145	SCREW, (M10 x 45)
31	10-82130150	SCREW, (M10 x 50)
32	25-19565002	GROMMET
33	12-855725	WASHER
34	54-858424	CLAMP
35	54-858951	J CLIP
36	10-82130012	SCREW, (M6 x 12)
37	818574	SEAL
38	25-818573	O-RING
39	900-858483T07	CYLINDER HEAD Comment: (Port) (225) (Cylinder Head Casting #900-858483C1/C2)
40	26-854639001	SEAL
41	NLA	No Longer Available, Thermostat Comment: (Refer to Service Bulletin 2002-08)
42	27-8503181	GASKET
43	858857	THERMOSTAT COVER Comment: (Starboard)
44	10-82130025	SCREW, (M6 x 25)
45	10-8M0045380	SCREW, (M8 x 50) (M8 X 50)
46	13536A12	SENSOR ASSEMBLY, Temperature Comment: (Starboard)
47	858858	RETAINER Comment: (225) (Cylinder Heads Casting Number # 900-858485C1/C2 Or 900-858483C1/C2)
48	10-82130012	SCREW, (M6 x 12) Comment: (225) (Cylinder Heads Casting Number 900-858485C1/C2 Or 900-858483C1/C2)
49	8266241	CLAMP
50	10-82130012	SCREW, (M6 x 12)
51	8544862	BRACKET
52	8583561	LEVER, TPI
53	10-82130025	SCREW, (M6 x 25)
54	23-856954	BUSHING
55	25-8M0190980	GROMMET
56	12-65567	WASHER, (.265 x .750 x .048) Stainless Steel
57	10-40011113	SCREW, (M5 x 45) Stainless Steel
58	8M6005165	INDICATOR, Throttle Position
59	22-8M0180565	PLUG, Pipe (.375-18) Brass
60	22-328022	PLUG, Pipe (.125-27) Brass Comment: (Digital)
61	8M0084743	LINK
62	54-858902	CLAMP
63	12-858950	WASHER
64	10-82130016	SCREW, (M6 x 16)
65	54-858932	CLIP
66	8582261	TPS COVER
67	8588641	RETAINER
68	10-81893420	SCREW, (M8 x 20)

▶Digital Electric Parts (5 parts)

Ref	OEM Part #	Part Name
1	84-859244T1	HARNESS ASSEMBLY, Digital Adaptor
2	84-859743T2	HARNESS ASSEMBLY
3	859187A1	SENDER ASSEMBLY, Trim
4	859223A01	SENSOR, Speed/Temperature
5	84-859316T1	HARNESS ASSEMBLY, Diagnostic Adaptor

▶Drive Shaft Housing And Exhaust Tube (31 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) Comment: (Long/X-Long)
4	25-8331231	GROMMET
5	12-856982	WASHER, (.500 x .810 x .090) Stainless Steel
6	11-896895	NUT, (M12 x 1.75)
7	19-64649	PLUG
8	10-898834	SCREW, (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
15	8186442	CLAMP
16	10-81893435	SCREW, (M8 x 35)
17	13-72521	LOCKWASHER, Internal Tooth
18	8M0001136	COVER, Black
19	10-69079	SCREW, (#10-16 x .440)
20	8329321	SEAL
21	833116A4	TUBE ASSEMBLY, Exhaust
22	NSS	NOT SOLD SEPARATE, Stainer
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)

▶Dual Engine Extension 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)
13	8M0026167	STEERING EYE
14	23-23651	SLEEVE, (1.625)
15	97931	TUBING, (4.00 Inches)
16	8M0026098	COUPLER, (15.00 Inches)
17	11-42099	NUT, (.562-18)
18	22-821169	COUPLING
19	12-34931	WASHER, (.406 x .734 x .063) Stainless Steel
20	10-94319	SCREW, (.375-24 x 1.5)

▶Electrical Components (76 parts)

Ref	OEM Part #	Part Name
-	877869A00	POWERHEAD ASSEMBLY Comment: (225) (Cylinder Heads Casting Numbers 900-858485C1/C2 Or 900-858483C1/C2)
1	850295T4	PLATE
2	339-856991A1	COIL KIT
3	84-881908T	CABLE ASSEMBLY, Hi Tension
4	85-63709A1	BOOT/TERMINAL KIT
5	33-889597Q	SPARK PLUG
6	10-82129130	SCREW, (M6 x 30)
7	71-8M0157742	SENSOR, (0-50 PSI)
8	22-856594	FITTING, Barbed
9	54-858954	CLIP, (.625)
10	54-816311T	TIE STRAP, (8.00 Inches)
11	22-859092	FITTING
12	32-9912878	HOSE, (.187) (26.00 Inches Bulk) (Cut to 15.00 Inch Length)
13	10-81893435	SCREW, (M8 x 35)
14	12-817274	WASHER, (.344 x 1.00 x .063) Stainless Steel
15	25-833155	GROMMET
16	23-8502341	BUSHING
17	10-82129114	SCREW, (M6 x 14)
18	NSS	NOT SOLD SEPARATE, Pitot Sensor Assembly Comment: (Digital)
19	881879T11	SENSOR, Speed Comment: (Digital)
20	22-8M0207782	FITTING, Straight Comment: (Digital)
21	54-858954	CLIP, (.625), Conduit Comment: (Digital)
22	859313	BRACKET, Speedo Sensor Comment: (Digital)
23	25-818967	GROMMET Comment: (Digital)
24	23-8M0214955	BUSHING Comment: (Digital)
25	10-82130025	SCREW, (M6 x 25) Comment: (Digital)
26	84-819514A14	HARNESS ASSEMBLY, Trim
27	8M0207773	RELAY ASSEMBLY
28	NSS	NOT SOLD SEPARATE, Decal - Trim Relay
29	828102	BRACKET
30	23-8M0214955	BUSHING
31	25-818967	GROMMET
32	10-82129125	SCREW, (M6 x 25)
33	858891T26	ECU, Engine Control Unit Comment: (200)
34	10-82130025	SCREW, (M6 x 25)
35	23-856954	BUSHING
36	25-8M0190980	GROMMET
37	12-65567	WASHER, (.265 x .750 x .048) Stainless Steel
38	10-82129114	SCREW, (M6 x 14)
39	54-859376	CLIP
40	8590881	CLIP
41	NSS	NOT SOLD SEPARATE, Electrical Plate Assembly
42	84-858367T1	HARNESS ASSEMBLY, Engine Wiring
43	88-832969T20	FUSE, Mini - Yellow - 20 Ampere
44	NSS	NOT SOLD SEPARATE, Fuse Cover
45	858953	BRACKET
46	84-856624A2	HARNESS ASSEMBLY, Alternator
47	879346A49	HARNESS ASSEMBLY, Direct Injector
48	879346A50	HARNESS ASSEMBLY, Fuel Injector
49	84-878074A2	HARNESS ASSEMBLY, Crank Sensor
50	879346A41	HARNESS ASSEMBLY, TPS
51	NSS	NOT SOLD SEPARATE, Relay Plate Assembly
52	858366T2	PLATE, Relay
53	10-82130012	SCREW, (M6 x 12)
54	84-88439A26	CABLE ASSEMBLY, Battery - Negative
55	10-82129114	SCREW, (M6 x 14)
56	89-817109A2	SOLENOID ASSEMBLY, (#10-32 / .3125-18 Terminals)
57	25-822179	GROMMET
58	10-82129125	SCREW, (M6 x 25)
59	84-93388A14	CABLE ASSEMBLY, Yellow/Black
60	23-8M0214955	BUSHING
61	84-88439A25	CABLE ASSEMBLY, Battery - Positive
62	13-53166	LOCKWASHER, (.312)
63	11-8M0204668	NUT, (.312-18)
64	10-32,11-45076	NUT, Brass
65	10-81893420	SCREW, (M8 x 20)
66	85-8500671	BOOT, Insulator - Red
67	10-32,11-813938	CAP NUT,
68	84-88807A16	CABLE ASSEMBLY, (4.00 Inches) Black
69	85-8500673	BOOT, Insulator - Yellow
70	54-828991T	CLIP
71	10-82129114	SCREW, (M6 x 14)
72	54-858755	CLIP, (1.00)
73	54-816311T	TIE STRAP, (8.00 Inches)
74	11-401386	NUT, (M6)
75	13541	PLUG, Male, Gray Wire Comment: (Digital)

▶Exhaust Plate (40 parts)

Ref	OEM Part #	Part Name
-	27-832934A00	GASKET SET, Powerhead
1	832935A17	PLATE ASSEMBLY, Exhaust
2	27-8329335	GASKET
3	27-8329344	GASKET, Lower
4	8M0043157	SEAL
5	22-8320761	FITTING, Check Valve
6	35-8348084	STRAINER
7	21-817519A1	CHECK VALVE ASSEMBLY, Drain
8	17-43044	PIN, Dowel - Without Hole (.375 x .625)
9	65663A2	COVER ASSEMBLY
10	10-81893435	SCREW, (M8 x 35)
11	814190	CARRIER
12	25-814191	GROMMET
13	814189	POPPET
14	24-64878	SPRING
15	65664A1	PLATE ASSEMBLY
16	27-88907003	GASKET
17	648771	DIAPHRAGM
18	12-76451	WASHER
19	10-69570	SCREW, (#10-16 x .750)
20	10-81893435	SCREW, (M8 x 35)
21	850306A04	BOOT, Idle Exhaust
22	54-850896	CLAMP, (28.6)
23	22-8M0077650	FITTING, Tell-Tale
24	19-821908	PLUG
25	12-821915	WASHER
26	22-821952	FITTING
27	8219631	CHECK VALVE
28	25-30641	O-RING, (.299 x .103)
29	11-401386	NUT, (M6)
30	8539682	SLIDE
31	11-401386	NUT, (M6)
32	883142A03	SHIFT LINK
33	23-42994	BUSHING
34	8240703	SHIFT SHAFT, Upper Comment: (XX-Long)
35	23-48237	BUSHING
36	43585	COUPLING
37	32-859626A1	HOSE, Inlet
38	25-12602002	GROMMET
39	12-35459	WASHER

▶Flywheel/Alternator (16 parts)

Ref	OEM Part #	Part Name
1	8M6013461	ALTERNATOR
2	24-8523742	SPRING
3	23-42139	BUSHING
4	850291T3	BELT TENSIONER
5	23-8525622	BUSHING
6	10-4007180	SCREW, (M10 x 45)
7	8M6005030	PULLEY
8	10-4010835	SCREW, (M10 x 35) Hex Flange - Stainless Steel
9	57-828507Q01	BELT
10	283-850293T2	FLYWHEEL
11	11-42979	NUT, (M16)
12	12-33001	WASHER, (.641 x 1.250 x .190)
13	19-45907	PLUG, Yellow
14	11-401386	NUT, (M6)
15	84-856583A4	CABLE ASSEMBLY
16	858511	WASHER, Anti Rotation

▶Fuel Pump (20 parts)

Ref	OEM Part #	Part Name
-	27-832934A00	GASKET SET, Powerhead
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	22-16604	FITTING, Straight (.125-27)
15	10-82104540	SCREW, (M5 x 40)
16	10-82130050	SCREW, (M6 x 50)
17	144303	BASE
18	54-8589781	CLIP, Fuel Hose
19	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel

▶Fuel Rails (29 parts)

Ref	OEM Part #	Part Name
-	877869A00	POWERHEAD ASSEMBLY Comment: (225) (Cylinder Heads Casting Number 900-858485C1/C2 Or 900-858483C1/C2)
1	8M6001743	INJECTOR
2	12-828694A1	WASHER ASSEMBLY, Cupped
3	858258A1	FUEL RAIL ASSEMBLY Comment: (Port)
4	884430T06	FUEL RAIL ASSEMBLY Comment: (Starboard)
5	54-804830	CLAMP
6	54-8048311	CLAMP
7	54-804832	CLAMP
8	54-804833	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 KIT, Fuel
14	22-805515	CAP
15	10-804525001	SCREW PACKAGE, (M5 x 8) (2 Per)
16	25-804840	O-RING KIT
17	25-804530	O-RING KIT
18	804533	DIAPHRAGM ASSEMBLY
19	24-804534	SPRING
20	25-804536	O-RING
21	804535001	COVER
22	804526	SCREW PACKAGE, (M5 x 16) (2 Per)
23	804532	O-RING KIT Comment: (16 Per Kit)
24	8M0222157	INJECTOR
25	26-804875	SEAL KIT
26	16-8M0063255	STUD, (M10 x 91)
27	11-826292	NUT, (M10) Brass/Nickel Plated
28	54-859376	CLIP, Conduit

▶Fuel System (19 parts)

Ref	OEM Part #	Part Name
1	54-8M0214964	CLAMP, Hose (15.3)
2	21-8557611	CHECK VALVE
3	54-8583253	CLAMP
4	10-858939	SCREW, (M5 x 35)
5	54-816311T	TIE STRAP, (8.00 Inches)
6	22-822769	CONNECTOR
7	32-8M0064780	HOSE/SLEEVE
8	32-8M0064778	HOSE
9	32-804825	HOSE, Fuel Supply
10	32-804826	HOSE, Fuel Bypass
11	32-804827	HOSE
12	32-8M0108355	HOSE, (57.00 Inches Bulk) (Cut to 18.00 Inch Length)
13	22-8589052	ELBOW
14	32-856825	HOSE
15	32-856778	HOSE
16	32-85682239	TUBING, (17.00 Inches Bulk)
17	23-85686953	SLEEVE, (27.00 Inches Bulk) (Cut to 14.00 Inch Length)
18	23-85686953	SLEEVE, (27.00 Inches Bulk) (Cut to 8.00 Inch Length)
19	NSS	NOT SOLD SEPARATE, Cap

▶Gear Housing Chart (1 parts)

Ref	OEM Part #	Part Name
0	1623-859399T17	GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (Counter Rotation, XX-Long)

▶Gear Housing, Driveshaft - Counter Rotation (48 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)
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)
11	12-191833	WASHER, Fiber
12	32-85944975	TUBING, (52.00 Inches) Comment: (XX-Long) (Cut to 17.00 Inch Length)
13	22-881866	FITTING
14	858934	COVER
15	27-858935	GASKET
16	NSS	NOT SOLD SEPARATE, Pinion Gear Comment: (1.75:1 - 12/21) (Part Of 43-828695A 1)
17	12-92721	WASHER
18	11-35921	NUT, (.625-18)
19	26-8M0204708	SEAL, Oil
20	25-8M0214927	O-RING, (.799)
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, Roller
31	NSS	NOT SOLD SEPARATE, Cup
32	8245191	RETAINER
33	8M0214948	CARRIER ASSEMBLY
34	25-8M0142854	O-RING, (2.175 x .175)
35	26-8M0214939	SEAL, Oil
36	26-8M0214939	SEAL, Oil
37	817275A1	PUMP ASSEMBLY, Water
38	26-816575A2	SEAL KIT
39	27-430331	GASKET
40	27-8172771	GASKET
41	8M0204709	FACEPLATE
42	47-43026T2	IMPELLER
43	10-1993716	SCREW, (M6 x 16)
44	832942A1	COUPLING ASSEMBLY
45	25-8M0204645	O-RING, (.796 x .139)
46	25-8M0204654	O-RING, (1.046)
47	NSS	NOT SOLD SEPARATE, Decal - Counter Rotation

▶Gear Housing, Driveshaft - Standard Rotation (47 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)
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)
11	12-191833	WASHER, Fiber
12	32-85944975	TUBING, (52.00 Inches) Comment: (XX-Long) (Cut to 17.00 Inch Length)
13	22-881866	FITTING
14	858934	COVER
15	27-858935	GASKET
16	NSS	NOT SOLD SEPARATE, Pinion Gear Comment: (1.87:1 - 15/28) (Part Of 43-828170A 2)
17	12-92721	WASHER
18	11-35921	NUT, (.625-18)
19	26-8M0204708	SEAL, Oil
20	25-8M0214927	O-RING, (.799)
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, Roller
31	NSS	NOT SOLD SEPARATE, Cup
32	8245191	RETAINER
33	8M0214948	CARRIER ASSEMBLY
34	25-8M0142854	O-RING, (2.175 x .175)
35	26-8M0214939	SEAL, Oil
36	26-8M0214939	SEAL, Oil
37	817275A1	PUMP ASSEMBLY, Water
38	26-816575A2	SEAL KIT
39	27-430331	GASKET
40	27-8172771	GASKET
41	8M0204709	FACEPLATE
42	47-43026T2	IMPELLER
43	10-1993716	SCREW, (M6 x 16)
44	832942A1	COUPLING ASSEMBLY
45	25-8M0204645	O-RING, (.796 x .139)
46	25-8M0204654	O-RING, (1.046)

▶Gear Housing, Propeller Shaft - Counter Rotation (39 parts)

Ref	OEM Part #	Part Name
-	26-816575A4	SEAL KIT, Gear Housing
1	1623-859399T18	GEAR HOUSING ASSEMBLY, Basic
48	22-859403	PLUG
49	8M0226861	SHIFT CRANK
50	8M0235940	SPOOL ASSEMBLY
51	NSS	NOT SOLD SEPARATE, Spool
52	NSS	NOT SOLD SEPARATE, Sleeve
53	18-469501	COTTER PIN
54	15-44491A1	SHIM SET
55	828830A2	ADAPTOR ASSEMBLY, Bearing
56	31-814653T	BEARING ASSEMBLY, Needle Rollers
57	12-815481	THRUST WASHER
58	31-815480	BEARING, Thrust
59	43-828696T2	GEAR, Reverse (12/21) Comment: (1.75:1)
60	31-15844	BEARING ASSEMBLY, Roller
61	24-30893	SPRING
62	52-859340T	CLUTCH
63	17-8M0100263	PIN, Cross
64	17-828356	PIN, Detent
65	44-8M0140448	PROPELLER SHAFT
66	43-828695A1	GEAR SET, Forward/Pinion (12/21) Comment: (1.75:1)
67	23-1761526	SPACER SHIM, (.230)
68	31-815480	BEARING, Thrust
69	12-815481	THRUST WASHER
70	828831A3	ADAPTOR ASSEMBLY, Bearing
71	31-814653T	BEARING ASSEMBLY, Needle Rollers
72	12-18448	THRUST WASHER
73	31-15842	BEARING, Thrust
74	8182911	RACE, Thrust
75	814605	KEEPER
76	25-8M0214920	O-RING
77	818290T8	CARRIER ASSEMBLY, Bearing
78	31-30956T	BEARING, Needle
79	26-14077	SEAL, Oil, Inside
80	26-8M0204670	SEAL, Outside
81	14-18323	TAB WASHER
82	8M2011027	RETAINER
83	97-76214Q5	ANODE KIT
84	10-8M0204686	SCREW, (.437-14 x 1.750)

▶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
47	22-859403	PLUG
48	8M0226861	SHIFT CRANK
49	8M0235940	SPOOL ASSEMBLY
50	NSS	NOT SOLD SEPARATE, Shift Spool
51	18-469501	COTTER PIN
52	NSS	NOT SOLD SEPARATE, Sleeve
53	43-878611A2	GEAR SET, Forward And Pinion Comment: (1.87:1 - 15/28)
54	15-44491A1	SHIM SET
55	31-30894A1	BEARING SET, Cup And Cone
56	NSS	NOT SOLD SEPARATE, Cup
57	53-856823	RING, Retaining
58	31-30895T	BEARING, Needle
59	24-30893	SPRING
60	52-859340T	CLUTCH
61	17-828356	PIN, Detent
62	17-8M0100263	PIN, Cross
63	44-8M0140440	PROPELLER SHAFT
64	43-828171A1	GEAR, Reverse Comment: (1.87:1 - 15/28)
65	23-824108	SPACER
66	681001	RING, Thrust
67	30-88957T	BEARING, Ball
68	25-8M0214920	O-RING
69	818763T11	CARRIER ASSEMBLY, Bearing
70	31-30956T	BEARING, Needle
71	26-14077	SEAL, Oil, Inside
72	26-8M0204670	SEAL, Outside
73	14-18323	TAB WASHER
74	8M2011027	RETAINER
75	97-76214Q5	ANODE KIT
76	10-8M0204686	SCREW, (.437-14 x 1.750)

▶Instrumentation (19 parts)

Ref	OEM Part #	Part Name
1	87-19674A1	SWITCH ASSEMBLY, Lanyard
2	10-18303	SCREW, (.190-16 x 1.750) Stainless Steel
3	813679	ADAPTER
4	15920Q54	LANYARD ASSEMBLY
5	10-32866	SCREW, (#10-32 x 2.00) Stainless Steel
6	18321	CLAMP, Mounting
7	12-24676	WASHER, (.200 x .440 x .032)
8	10-32,11-68219	NUT, Stainless Steel
9	79146	RETAINER
10	54-816311T	TIE STRAP, (8.00 Inches)
11	812497A2	DIODE ASSEMBLY
12	84-11149A2	CABLE ASSEMBLY, (6.00 Inches)
13	79-859699A1	WARNING GAUGE KIT
14	850020	CLAMP
15	8,13-825361	LOCKWASHER, Star
16	8-32,11-26419	NUT, Brass
17	88-15163	LAMP
18	88-79888	SOCKET, Light Bulb
19	84-835359A1	CABLE ASSEMBLY, (20.00 Feet)

▶Miscellaneous (1 parts)

Ref	OEM Part #	Part Name
0	37-804658A00	DECAL, EPA Label Information Comment: (2000) (See Note)

▶Oil Injection Components (24 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	12-817274	WASHER, (.344 x 1.00 x .063) Stainless Steel
10	25-855362001	GROMMET
11	23-855364	BUSHING
12	12335A1	BRACKET KIT
13	12323A1	CORD/HOOK KIT
14	1257-87421	TANK
15	36-43298A2	CAP ASSEMBLY
16	NSS	NOT SOLD SEPARATE, Insert
17	25-11332	O-RING, (2.225 x .210)
18	816190A4	HOUSING ASSEMBLY, Adapter Comment: (Non-Digital)
19	816190A5	SENDER ASSEMBLY, Oil Level Comment: (Digital)
20	25-11332	O-RING, (2.225 x .210)
21	32-99802	TUBE
22	32-99439	HOSE, (114.00 Inches)
23	54-816311T	TIE STRAP, (8.00 Inches)
24	NSS	NOT SOLD SEPARATE, Decal Comment: (Caution Remove Tank)

▶Oiling System (26 parts)

Ref	OEM Part #	Part Name
-	877869A00	POWERHEAD ASSEMBLY Comment: (225) (Cylinder Heads Casting Number 900-858485C1/C2 Or 900-858483C1/C2)
1	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 24.00 Inch Length)
2	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 15.00 Inch Length)
3	22-8245021	CONNECTOR
4	32-8M0108355	HOSE, (57.00 Inches Bulk) (Cut to 7.00 Inch Length)
5	22-8M0207780	FITTING
6	54-816311T	TIE STRAP, (8.00 Inches)
7	32-875289	HOSE
8	22-858955	CONNECTOR
9	54-816311T	TIE STRAP, (8.00 Inches)
10	32-875283	HOSE, (2.00 Inches)
11	35-875284T01	FILTER, In Line
12	21-858870	CHECK VALVE
13	859230T	RETAINER
14	32-82381455	TUBING, (25.00 Inches Bulk)
15	32-85583464	TUBING, (33.00 Inches Bulk)
16	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 19.50 Inch Length)
17	56762	TIE STRAP, (4.00 Inches)
18	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 11.00 Inch Length)
19	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 6.00 Inch Length)
20	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 4.00 Inch Length)
21	54-816311T	TIE STRAP, (8.00 Inches)
22	56762	TIE STRAP, (4.00 Inches)
23	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 20.50 Inch Length)
24	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 15.50 Inch Length)
25	NSS	NOT SOLD SEPARATE, Plug

▶Port Center Main Oiling System (14 parts)

Ref	OEM Part #	Part Name
-	877869A00	POWERHEAD ASSEMBLY Comment: (225) (Cylinder Heads Casting Number 900-858485C1/C2 Or 900-858483C1/C2)
1	22-151333	ELBOW
2	22-887801	FITTING, Elbow 90 Degree (.0625-27)
3	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 20.50 Inch Length)
4	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 5.00 Inch Length)
5	21-8592352	CHECK VALVE, 90 Degree (.0625-27)
6	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 13.00 Inch Length)
7	21-8282182	CHECK VALVE
8	21-8582362	CHECK VALVE
9	54-23567	CLIP
10	10-48408	SCREW, (#10-16 x .500)
11	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 4.75 Inch Length)
12	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 11.00 Inch Length)
13	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 9.00 Inch Length)

▶Power Trim Components (38 parts)

Ref	OEM Part #	Part Name
-	855998A11	POWER TRIM ASSEMBLY, Complete
1	811604F	MANIFOLD ASSEMBLY
2	22-56800	PLUG, Pipe (.0625-27)
3	880952A03	CYLINDER ASSEMBLY
4	823553T	ROD, Trim Piston
5	878239A02	GUIDE KIT
6	811607A1	REPAIR KIT
7	811610A1	CHECK VALVE KIT
8	1100-8M0021648	GUIDE ASSEMBLY
9	878414T01	PISTON ASSEMBLY, Power Trim Comment: (Starboard)
10	35-12184A1	TRIM FILTER ASSEMBLY
11	893929A01	MANUAL RELEASE ASSEMBLY
12	53-815949001	E RING
13	811612A3	O-RING KIT
14	811617T1	PUMP
15	19-811613	PLUG ASSEMBLY
16	10-4000327	SCREW, (M6 x 14)
17	12-4002315	WASHER
18	811611	COVER
19	828710	DRIVE JOINT
20	878265A4	TRIM MOTOR Comment: (Breakdown On Power Trim Motor)
21	10-811616	SCREW Comment: (SHORT)
22	8M0142997	SHAFT ASSEMBLY
23	22-56800	PLUG, Pipe (.0625-27)
24	17-878267	PIN, Groove
25	17-821539	PIN, Trilobe
26	99625002	SHAFT
27	97-818298Q1	ANODE KIT
28	10-8M0204707	SCREW, (M6 x 25)
29	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
30	10-4000377	SCREW, (M10 x 30)
31	12-4002319	WASHER
32	54-26550	CLAMP
33	10-878609	SCREW, (#10-16 x .600)
34	8M0084613	C WASHER
35	37-435301	DECAL, Caution-Power Trim
36	32-828547353	CONDUIT, (.350 Inside Diameter x 3.00 Feet Bulk)
37	54-816311T	TIE STRAP, (8.00 Inches)

▶Power Trim Motor (4 parts)

Ref	OEM Part #	Part Name
-	878265A4	TRIM MOTOR
1	828714A1	BRUSH AND SEAL KIT
2	828713T1	ARMATURE KIT
3	828715A1	END FRAME, Complete

▶Speedometer/Block Pressure System (10 parts)

Ref	OEM Part #	Part Name
1	22-881866	FITTING Comment: (Non-Digital)
2	32-85978571	TUBING, (44.00 Inches Bulk), Gray Comment: (Non-Digital)
3	22-8M0214971	COUPLER Comment: (Non-Digital)
4	22-859732	PLUG Comment: (Non-Digital)
5	22-8M0214970	FITTING, Adapter Comment: (Non-Digital)
6	32-85944975	TUBING, (52.00 Inches), Black Comment: (Non-Digital)
7	22-859448T	FITTING
8	25-8M0153609	GROMMET
9	54-850181	TIE STRAP, (11.750 Inches)
10	32-85944975	TUBING, (52.00 Inches), Black Comment: (Cut to 34.00 Inch Length)(Digital)

▶Starboard Center Main Oiling System (8 parts)

Ref	OEM Part #	Part Name
-	877869A00	POWERHEAD ASSEMBLY Comment: (225) (Cylinder Heads Casting Number 900-858485C1/C2 Or 900-858483C1/C2)
1	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 15.00 Inch Length)
2	21-8592352	CHECK VALVE, 90 Degree (.0625-27)
3	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 16.50 Inch Length)
4	32-8M0054152	TUBING, (36.00 Inches Bulk) (Cut to 15.00 Inch Length)
5	54-23567	CLIP
6	10-48408	SCREW, (#10-16 x .500)
7	22-151333	ELBOW

▶Starter Motor (19 parts)

Ref	OEM Part #	Part Name
1	50-898265013	STARTER MOTOR ASSEMBLY
2	75660	PLATE
3	10-749681	THRU BOLT
4	8236401	DRIVE KIT
5	898265015	PINION
6	8236381	ARMATURE
7	898265016	BRUSH/SPRING KIT
8	898265014	HOLDER
9	15386001	END CAP
10	F15158	SCREW
11	37-8272822	DECAL, Warning Comment: (High Voltage)
12	13-26992	LOCKWASHER, (.250) Stainless Steel
13	11-94330	NUT, (.250-20) Brass Comment: (Service Item)
14	13-26992	LOCKWASHER, (.250) Stainless Steel
15	11-20890	NUT, (.250-20)
16	23-8M0034918	COLLAR
17	8M0043376	STOP, Rubber
18	10-69035	SCREW AND LOCKWASHER, (.250-20 x .625) Stainless Steel
19	84-93388A1	CABLE ASSEMBLY, (6.00 Inches) Black

▶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 Comment: (XL-Stainless Steel)
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
16	8M0074846	SENDER ASSEMBLY, Trim Comment: (Non-Digital)
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 Comment: (XL-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 1.25)
31	11-8M0204726	NUT, (.375-24)
32	12-37828	WASHER, (.390 x .625 x .062) Stainless Steel

▶Throttle Linkage (24 parts)

Ref	OEM Part #	Part Name
1	8M0040987	LEVER, Throttle Control
2	10-81893435	SCREW, (M8 x 35)
3	12-36042	WASHER
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)
10	23-8M0215006	BUSHING
11	8583541	LINK
12	824010T05	BRACKET
13	824016	LATCH
14	10-42975	DRIVE SCREW
15	824015	CUP, Barrel Retainer
16	10-82155025	SCREW, (M8 x 25) Stainless Steel
17	54-859172	CLAMP
18	10-82155025	SCREW, (M8 x 25) Stainless Steel
19	8M0039052	GUIDE, Roller
20	87-8M0052931	SWITCH
21	54-816311T	TIE STRAP, (8.00 Inches)
22	10-82470620	SCREW, (M3.5 x 20)
23	12-43430	WASHER
24	12-35459	WASHER

▶Tools, Special (2 parts)

Ref	OEM Part #	Part Name
-	91-823237T	COMPRESSOR TOOL, Ring Comment: (Powerhead)
0	91-821571A1	GUIDE TOOL, Water Pump Alignment Pins Comment: (Gear Housing)

▶Top Cowl (22 parts)

Ref	OEM Part #	Part Name
1	112-850299T2	TOP COWL ASSEMBLY, Silver Comment: (Silver)
2	850300F1	CAP
3	10-82130016	SCREW, (M6 x 16)
4	854371A1	SOUND BLANKET, Top
5	NSS	NOT SOLD SEPARATE, Sound Blanket - Side
6	13-93702	WASHER, (.250 External Star)
7	19-823865	CAP PLUG
8	850682T4	HOOK ASSEMBLY, Rear Latch
9	53-8237951	RING, Retaining
10	8M0207770	ROLLER
11	10-82130020	SCREW, (M6 x 20)
12	8M0036792	BRACKET, Front
13	10-82130016	SCREW, (M6 x 16)
14	815477	BUMPER, Latch
15	8155381	PIN, Roll
16	11-401366	NUT, (M6) Stainless Steel
17	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
18	53-8237951	RING, Retaining
19	8M0207770	ROLLER
20	826639T	COVER
21	NSS	NOT SOLD SEPARATE, Decal - Counter Rotation Comment: (Right Hand)
22	NSS	NOT SOLD SEPARATE, Decal - Break In

▶Transom Brackets (19 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) Brass/Nickel Plate
6	25-45711	O-RING, (.612 x .103)
7	13-88750	WASHER
8	11-826164	NUT, (.875-14)
9	10-8M0149747	SCREW, (.500-20 x 4.500)
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

▶Vapor Separator Components (19 parts)

Ref	OEM Part #	Part Name
1	855432A2	COVER KIT
2	22-8568431	FITTING, Straight
3	26-8554331	SEAL
4	22-855437A2	FITTING KIT, Pump Outlet
5	NSS	NOT SOLD SEPARATE, O-Ring
6	1395-808612	SCREW AND WASHER, (#8-32 x .750)
7	27-855528	GASKET
8	8M6004920	FLOAT KIT
9	F10064	SHAFT
10	8M6004917	VALVE, Needle
11	1395-5902	SCREW, (#6-32 x .187)
12	855427A1	PUMP KIT
13	8M6000589	SLEEVE
14	855434A1	BOWL KIT
15	26-8554331	SEAL
16	19-855435A1	PLUG KIT
17	22-8568421	ELBOW
18	35-18458Q4	FILTER KIT
19	8M0204710	PROBE

▶Water Hoses (13 parts)

Ref	OEM Part #	Part Name
-	877869A00	POWERHEAD ASSEMBLY Comment: (225) (Cylinder Heads Casting Number 900-858485C1/C2 Or 900-858483C1/C2)
1	22-8M0214961	FITTING
2	54-816311T	TIE STRAP, (8.00 Inches)
3	32-859090001	HOSE, Dump, Starboard
4	32-859089001	HOSE, Dump, Port
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 (DFI) 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 (DFI) (0G960500 THRU 0T178499) Parts & Diagrams

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