Mercury 250 (3.0L EFI) (0G760300 THRU 0T408999) Parts & Diagrams

🔎 Mercury 250 (3.0L EFI) Reference Library — Exploded parts diagrams (37 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 250 (3.0L EFI) is a 4-Stroke, V8 64-degree, DOHC, 32-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, V8 64-degree, DOHC, 32-valve
Horsepower	250 HP
Displacement	4600 cc (4.6L / 279 CID)
Bore x Stroke	92 mm x 86 mm (3.62 in. x 3.38 in.)
Spark Plug (Type & Gap)	NGK LKAR7C-9
Engine Oil Capacity	7.0 L (7.4 qt)
Recommended Engine Oil	Mercury FourStroke Oil 25W-40 (NMMA FC-W SAE 10W-30)
Gear Case Oil Capacity	802 mL (27.1 oz)
Idle Speed (in gear)	600 RPM
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 250 (3.0L EFI):

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 250 (3.0L EFI).

▶Accessories (1 parts)

Ref	OEM Part #	Part Name
0	17334A2	VISUAL WARNING SYSTEM (LOW OIL/OVERHEAT)

▶Anchor Bracket/Throttle Linkage (30 parts)

Ref	OEM Part #	Part Name
1	87-8M0052931	SWITCH
2	10-82470620	SCREW, (M3.5 x 20)
3	824010T05	BRACKET
4	10-42975	DRIVE SCREW
5	824016	LATCH
6	824015	CUP, Barrel Retainer
7	10-82155025	SCREW, (M8 x 25) Stainless Steel
8	23-824013	BUSHING
9	23-812707	BUSHING
10	24-824014	SPRING
11	8240111	GUIDE, Roller
12	8142392	CAM
13	23-26856	BUSHING
14	11-401386	NUT, (M6)
15	825377	LINK, Throttle
16	23-8M0215006	BUSHING
17	826205	BRACKET, Oil Link
18	878190	LINK
19	10-82155025	SCREW, (M8 x 25) Stainless Steel
20	11-401388	NUT, (M8)
21	8M0040987	LEVER, Throttle Control
22	10-81893435	SCREW, (M8 x 35)
23	12-36042	WASHER
24	42927	INSERT
25	23-821113	BUSHING
26	11-401366	NUT, (M6) Stainless Steel
27	10-40124	SCREW, (M6 x 55)
28	11-400212	NUT, (M6) Stainless Steel
29	42942	CAP
30	12-35459	WASHER

▶Bleed System (Port) (13 parts)

Ref	OEM Part #	Part Name
-	804800A00	POWERHEAD ASSEMBLY Comment: (250) SN# 0G960500 & Up
1	32-892024122	TUBING, (20.00 Feet Bulk) (6 IN.)
2	32-892024122	TUBING, (20.00 Feet Bulk) (3 IN.)
3	32-892024122	TUBING, (20.00 Feet Bulk) (13-1/4 IN.)
4	32-892024122	TUBING, (20.00 Feet Bulk) (16 IN.)
5	21-149126	CHECK VALVE
6	22-8243561	FITTING
7	22-8245021	CONNECTOR
8	21-8282182	CHECK VALVE
9	21-8348041	CHECK VALVE
10	21-8159234	CHECK VALVE
11	54-22875	CLIP
12	10-48408	SCREW, (#10-16 x .500)

▶Bleed System (Starboard) (15 parts)

Ref	OEM Part #	Part Name
-	804800A00	POWERHEAD ASSEMBLY Comment: (250) SN# 0G960500 & Up
1	32-892024122	TUBING, (20.00 Feet Bulk) (8-1/2 IN.)
2	32-892024122	TUBING, (20.00 Feet Bulk) (6 IN.)
3	32-892024122	TUBING, (20.00 Feet Bulk) (3 IN.)
4	32-892024122	TUBING, (20.00 Feet Bulk) (22-1/2 IN.)
5	32-892024122	TUBING, (20.00 Feet Bulk) (13-1/4 IN.)
6	32-892024122	TUBING, (20.00 Feet Bulk) (3-3/4 IN.)
7	32-892024122	TUBING, (20.00 Feet Bulk) (9-1/2 IN.)
8	21-149126	CHECK VALVE
9	22-8243561	FITTING
10	22-8245021	CONNECTOR
11	21-426585	CHECK VALVE
12	21-8159234	CHECK VALVE
13	21-8348041	CHECK VALVE
14	21-8282182	CHECK VALVE

▶Bottom Cowl (20 parts)

Ref	OEM Part #	Part Name
1	4009-818448A1	BOTTOM COWL Comment: (PORT)
2	4009-818447A1	BOTTOM COWL Comment: (STBD.)
3	8M0109217	SEAL, Cowl (41.00 Inches)
4	10-82130040	SCREW, (M6 x 40)
5	10-824868	SCREW, (M6 x 75)
6	889740A02	FRONT HANDLE, Black
7	23-335891	BUSHING
8	25-48462	O-RING, (.614 x .070)
9	8219423	PAWL
10	12-69057	WASHER, (.281 x .734 x .063)
11	11-401366	NUT, (M6) Stainless Steel
12	10-8214281	SCREW, (#10-16 x .625)
13	54-822873	CLIP
14	87-8M0042301	SWITCH ASSEMBLY
15	859435T	INSERT (LOWER) Comment: SN# 0G960500 & Up
16	859434T	INSERT (UPPER) Comment: SN# 0G960500 & Up
17	859343	FOAM Comment: SN# 0G960500 & Up
18	54-822024	CLAMP (LOWER) Comment: SN# 0G960499 & Below
19	54-822023	CLAMP (UPPER) Comment: SN# 0G960499 & Below
20	10-92799	SCREW, (#10-16 x 1.12)

▶Crankshaft, Pistons and Connecting Rods (26 parts)

Ref	OEM Part #	Part Name
-	804800A00	POWERHEAD ASSEMBLY Comment: (250) SN# 0G960500 & Up
1	482-9784A11	CRANKSHAFT ASSEMBLY Comment: SN# 0T325117 & Up
2	NSS	NOT SOLD SEPARATE, Wear Sleeve
3	30-67923T	BEARING, Ball (LOWER)
4	53-67446	RING
5	43-19301	GEAR
6	39-843198T01	RING
7	28-91800	KEY, Woodruff
8	25-35126	O-RING, (.859 x .139)
9	817001A1	RACE ASSEMBLY, Bearing Comment: SN# 0T325116 & Below
10	NSS	NOT SOLD SEPARATE, Roller Comment: SN# 0T325116 & Below
11	700-878573A2	PISTON ASSEMBLY Comment: (PORT -.030 O/S)
12	53-8320811	LOCK RING
13	39-875257A12	RING SET, Piston, With 6 Each Top and Bottom Rings Comment: (.030 Oversize) SN# 0G960500 & Up
14	NSS	NOT SOLD SEPARATE, Piston Ring (SECOND)
15	600-8M0125869	CONNECTING ROD ASSEMBLY
16	10-94320	SCREW, (.375-24 x 1.250)
17	31-844338A01	BEARING/CAGE KIT
18	NSS	NOT SOLD SEPARATE, Bearing
19	12-88263	THRUST WASHER
20	29-8M0204715	NEEDLE, Roller Bearing
21	31-816773A2	BEARING ASSEMBLY (UPPER)
22	26-859093	SEAL
23	25-823683	O-RING, (1.989 x .070)
24	12-33001	WASHER, (.641 x 1.250 x .190)
25	11-42979	NUT, (M16)

▶Cyliner Block and End Caps (51 parts)

Ref	OEM Part #	Part Name
-	804800A00	POWERHEAD ASSEMBLY Comment: (250) SN# 0G960500 & Up
1	885-9811A19	CYLINDER BLOCK Comment: SN# 0G960499 & Below
2	16-903509	STUD, (M10 x 1.5 x 64)
3	16-8154431	STUD, (M10 x 1.5 x 155)
4	22-328022	PLUG, Pipe (.125-27) Brass
5	8248577	DEFLECTOR, Water
6	21-8781051	CHECK VALVE
7	8215832	PIN
8	17-43044	PIN, Dowel - Without Hole (.375 x .625)
9	10-81893435	SCREW, (M8 x 35)
10	10-82446180	SCREW, (M10 x 80)
11	17-8M0036405	PIN
12	19-850309001	PLUG
13	NSS	NOT SOLD SEPARATE, Plug-Serial Number
14	8217621	TIMING POINTER
15	10-82130012	SCREW, (M6 x 12)
16	54-816311T	TIE STRAP, (8.00 Inches)
17	32-826544A1	TUBING KIT
18	22-687271	FITTING, (.250-18) 90 Degree - Brass
19	12-8M0214963	WASHER, (.406 x .750 x .105) Stainless Steel
20	11-4013610	NUT, (M10) Stainless Steel
21	8256751	BRACKET
22	10-82130012	SCREW, (M6 x 12)
23	8211051	BRACKET, Alternator
24	10-81893450	SCREW, (M8 x 50)
25	8212251	BRACKET
26	10-82130012	SCREW, (M6 x 12)
27	822486	BRACKET, Guide
28	821909	SENSOR
29	10-82104510	SCREW, (M5 x 10)
30	818574	SEAL, Cylinder Head
31	25-818573	O-RING
32	812851A2	CYLINDER HEAD Comment: SN# 0G960499 & Below
33	833072003	THERMOSTAT, 62Â° Celsius (143Â° Fahrenheit)
34	27-8M0204714	GASKET, Thermostat
35	19801A1	THERMOSTAT COVER
36	22-8167811	ELBOW
37	32-77653101	HOSE, (48.00 Inches Bulk) (20-1/2 IN.) Comment: (STARBOARD)
38	10-82446090	SCREW, (M8 x 90)
39	10-8M0045380	SCREW, (M8 x 50)
40	13536A14	SENSOR ASSEMBLY, Temperature
41	137151	RETAINER
42	10-81893414	SCREW, (M8 x 14)
43	1171-9787A4	END CAP ASSEMBLY
44	25-62700	O-RING, (3.237 x .103)
45	26-8308981	SEAL
46	10-82130020	SCREW, (M6 x 20)
47	8261211	BRACKET
48	10-48408	SCREW, (#10-16 x .500)
49	10-82130012	SCREW, (M6 x 12)
50	8266241	CLAMP

▶Driveshaft Housing and Exhaust Tube (33 parts)

Ref	OEM Part #	Part Name
-	NSS	NOT SOLD SEPARATE, Strainer
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) SN# 0G871323 & Up
4	16-858570	STEPPED STUD (175MM X 10/12)
5	25-8331231	GROMMET
6	12-856982	WASHER, (.500 x .810 x .090) Stainless Steel
7	11-896895	NUT, (M12 x 1.75)
8	19-64649	PLUG
9	10-898834	SCREW, (M14 x 178)
10	88238A10	CABLE ASSEMBLY, Ground
11	12-815432	WASHER, (.562 x 2.00 x .125)
12	12-8154331	WASHER, (1.25 x 2.00 x .19)
13	8137711	MOUNT
14	12-825190	WASHER
15	88238A10	CABLE ASSEMBLY, Ground
16	10-41508	SCREW, (.250-20 x .500) Stainless Steel
17	11-896602	NUT
18	8186442	CLAMP
19	10-81893435	SCREW, (M8 x 35)
20	13-72521	LOCKWASHER, Internal Tooth
21	8M0001136	COVER, Black Comment: (BLACK)
22	10-69079	SCREW, (#10-16 x .440)
23	8329321	SEAL
24	833116A7	TUBE ASSEMBLY, Exhaust
25	10-81893435	SCREW, (M8 x 35)
26	32-8M0042787	TUBE, Water Comment: (XX-LONG)
27	832940001	SEAL
28	8329391	CLAMP
29	8M0105088	SPACER Comment: (BLACK)(XX-LONG)
30	17-43044	PIN, Dowel - Without Hole (.375 x .625) Comment: (XX-LONG)
31	16-824118	STUD (M10 X 1.5 X 173) Comment: (XX-LONG)
32	11-400636	NUT (M10 X 1.5) Comment: (XX-LONG)

▶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, (15.00 Inches)
17	11-42099	NUT, (.562-18)
18	22-821169	COUPLING
19	12-37828	WASHER, (.390 x .625 x .062) Stainless Steel Comment: (.625 Outside Diameter)
20	10-94319	SCREW, (.375-24 x 1.5)

▶Electrical Components (46 parts)

Ref	OEM Part #	Part Name
1	825296T1	PLATE, Electrical Mounting
2	10-82129114	SCREW, (M6 x 14)
3	827509T7	CDM MODULE ASSEMBLY
4	84-857124A1	CABLE ASSEMBLY, Hi-Tension (SINGLE CABLE)
5	85-857074A1	BOOT/TERMINAL KIT
6	10-82129116	SCREW, (M6 x 16)
7	54-816311T	TIE STRAP, (8.00 Inches)
8	33-941	SPARK PLUG
9	10-81893435	SCREW, (M8 x 35)
10	12-49436	WASHER
11	25-825380001	GROMMET
12	23-19064	BUSHING
13	83004415T	ECU, Engine Control Unit (CDI) Comment: (250) SN# 0G960499 & Below
14	830046T08	ECU, Engine Control Unit (EFI) Comment: (250) SN# 0G960499 & Below
15	10-82129145	SCREW, (M6 x 45)
16	54-826188	CLAMP
17	10-82104520	SCREW, (M5 x 20) (M5 X 20)
18	84-825763A5	HARNESS ASSEMBLY (EFI)
19	84-825433A11	HARNESS ASSEMBLY, Ignition
20	8M0207773	RELAY ASSEMBLY
21	25-818967	GROMMET
22	828102	BRACKET
23	23-8M0214955	BUSHING
24	NSS	NOT SOLD SEPARATE, Decal-Trim Relay
25	84-826802A2	HARNESS ASSEMBLY, Trim
26	84-88439A34	CABLE ASSEMBLY, Positive - Battery
27	84-88439A24	CABLE ASSEMBLY, Negative - Battery
28	84-827356A2	HARNESS ASSEMBLY (26 IN.)
29	8216091	COVER
30	10-82239320	SCREW, (M5 x 20) (M5 x 20)
31	88-812619	FUSE, Yellow - 20 Ampere
32	88-19637	SOCKET, Fuse
33	84-93388A8	CABLE ASSEMBLY, (12.5 Inchs) Black
34	8212282	PLATE, Solenoid Mounting
35	10-82155025	SCREW, (M8 x 25) Stainless Steel
36	10-82129125	SCREW, (M6 x 25)
37	84-88807A16	CABLE ASSEMBLY, (4.00 Inches) Black
38	86-45915	TERMINAL BLOCK
39	10-878608	SCREW, (#10-16 x .500)
40	10-878607	SCREW, (#10-16 x .380)
41	89-817109A2	SOLENOID ASSEMBLY, (#10-32 / .3125-18 Terminals)
42	25-822179	GROMMET
43	23-8M0214955	BUSHING
44	13-53166	LOCKWASHER, (.312)
45	11-8M0204668	NUT, (.312-18)
46	10-32,11-45076	NUT, Brass

▶Exhaust Plate (42 parts)

Ref	OEM Part #	Part Name
-	804800A00	POWERHEAD ASSEMBLY Comment: (250) SN# 0G960500 & Up
1	832935A1	PLATE ASSEMBLY, Exhaust
2	27-8329335	GASKET
3	27-8329344	GASKET (LOWER)
4	24-64878	SPRING
5	8M0043157	SEAL
6	10-81893435	SCREW, (M8 x 35)
7	65663A2	COVER
8	65664A1	PLATE ASSEMBLY
9	27-88907003	GASKET
10	10-69570	SCREW, (#10-16 x .750)
11	12-76451	WASHER
12	648771	DIAPHRAGM
13	814189	POPPET
14	25-814191	GROMMET
15	814190	CARRIER
16	10-81893435	SCREW, (M8 x 35)
17	22-34982	CONNECTOR
18	22-782792	FITTING, Elbow 45 Degree (1.25) (45 DEGREES)
19	22-821975	ELBOW, 45 Degree (45 DEGREES)
20	821255	BOOT, Idle Exhaust
21	54-816311T	TIE STRAP, (8.00 Inches)
22	32-8M0108355	HOSE, (57.00 Inches Bulk) (2-1/2 IN.)
23	22-8M0077650	FITTING, Tell-Tale
24	19-821908	PLUG
25	12-821915	WASHER
26	8219631	CHECK VALVE
27	25-30641	O-RING, (.299 x .103)
28	22-821952	FITTING
29	32-821976	HOSE Comment: (LONG)
30	21-817519A1	CHECK VALVE ASSEMBLY, Drain
31	17-43044	PIN, Dowel - Without Hole (.375 x .625)
32	11-401386	NUT, (M6)
33	12-35459	WASHER
34	824012	ROLLER
35	11-401386	NUT, (M6)
36	883142A03	SHIFT LINK
37	23-42994	BUSHING
38	8240703	SHIFT SHAFT, Upper Comment: (XX-LONG)
39	23-48237	BUSHING
40	25-12602002	GROMMET
41	43585	COUPLING

▶Flywheel/Stator (12 parts)

Ref	OEM Part #	Part Name
1	11-401386	NUT, (M6)
2	19-45907	PLUG, Yellow
3	272-821033T2	FLYWHEEL
4	398-821935A5	STATOR
5	10-82494830	SCREW, (M6 x 30)
6	821663A1	ALTERNATOR
7	10-82446155	SCREW, (M10 x 55)
8	10-82130140	SCREW, (M10 x 40)
9	12-796431	WASHER
10	11-4013610	NUT, (M10) Stainless Steel
11	57-49756Q1	V BELT
12	12-17457	WASHER

▶Fuel Management System (33 parts)

Ref	OEM Part #	Part Name
-	825818A12	MANAGEMENT ASSEMBLY, Fuel Comment: (225 2 Shutter) SN# 0G960499 & Below
1	827693T5	THROTTLE BODY Comment: (2 SHUTTER)
2	8090571	JOINT KIT, Fuel Pipe
3	10-8276983	SCREW KIT
4	150291	O-RING KIT
5	814233T1	FMA JOINT KIT
6	8090591	SCHRADER VALVE KIT
7	32-827694A02	TUBING KIT
8	32-897992A01	TUBING KIT
9	8090843	SHAFT, Throttle Comment: (TOP-4 SHUTTER)
10	8090842	SHAFT KIT, Throttle Comment: (BOTTOM)
11	827697A1	LEVER KIT, Link
12	154441	LINK
13	8276991	FUEL RAIL
14	84-154432	HARNESS KIT
15	8276921	COVER
16	26-187921	SEAL
17	827696	RETAINER KIT
18	809093	BRACKET KIT, TPS
19	805225A1	INJECTOR KIT
20	67748	ROLLER
21	28-89694	KEY
22	821153	COUPLING
23	821664	SENSOR, Throttle Position
24	10-4005685	SCREW, (M4 x 10)
25	8,13-26995	LOCKWASHER, Stainless Steel
26	12-30164	WASHER, (.192 x .375 x .0312) Stainless Steel
27	13221T01	SENSOR ASSEMBLY, Temperature
28	10-4005685	SCREW, (M4 x 10)
29	8,13-26995	LOCKWASHER, Stainless Steel
30	25-45711	O-RING, (.612 x .103)
31	10-40132	SCREW, (M8 x 125)
32	12-8M0042642	WASHER, (.323 x .563 x .063) Stainless Steel

▶Fuel Pump (29 parts)

Ref	OEM Part #	Part Name
-	804800A00	POWERHEAD ASSEMBLY Comment: (250) SN# 0G960500 & Up
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	144303	BASE
14	987752	PLATE
15	10-82104540	SCREW, (M5 x 40)
16	NSS	NOT SOLD SEPARATE, Decal
17	10-82130050	SCREW, (M6 x 50)
18	22-629101	FITTING, Elbow - 90 Degree (.125-27)
19	54-816311T	TIE STRAP, (8.00 Inches)
20	32-8M0108349	TUBING, (.312) (70.00 Inches Bulk) (17 IN.)
21	32-8M0108349	TUBING, (.312) (70.00 Inches Bulk) (17 IN.) Comment: SN# 0G960499 & Below
22	22-822769	CONNECTOR
23	35-18458Q4	FILTER KIT
24	8M0204710	PROBE
25	13170A3	BASE
26	22-136071	ELBOW
27	10-82130030	SCREW, (M6 x 30)
28	22-89771Q2	CONNECTOR, (.250-18)

▶Gear Housing Chart(S/N-0G960499 & Below) (1 parts)

Ref	OEM Part #	Part Name
-	45-826353A1	EXTENSION KIT, Driveshaft Comment: (XX-LONG-30 IN.)

▶Gear Housing Chart(S/N-0G960500 & Up) (1 parts)

Ref	OEM Part #	Part Name
-	1623-859399T17	GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (COUNTER ROTATION)(XX-LONG)

▶Gear Hsg(Driveshaft) (C/R)(S/N-0G960499 & Below) (46 parts)

Ref	OEM Part #	Part Name
-	47-8M0100526	REPAIR KIT, Water Pump Impeller
1	1623-859399T18	GEAR HOUSING ASSEMBLY, Basic Comment: (BLACK)
2	17-379721	PIN
3	821526001	FILLER BLOCK
4	22-8M0058389	FITTING KIT, Magnetic, Plug Fill/Drain
5	12-191833	WASHER
6	97-826134Q	ANODE
7	10-4000333	SCREW, (M6 x 40)
8	11-401386	NUT, (M6)
9	31-42647A1	BEARING ASSEMBLY, Roller
10	17-43044	PIN, Dowel - Without Hole (.375 x .625)
11	10-79953Q04	SCREW KIT, (.375-16 x .250) Drain
12	12-191833	WASHER
13	22-85822A6	CONNECTOR Comment: (XXL)
14	56762	TIE STRAP, (4.00 Inches)
15	NSS	NOT SOLD SEPARATE, Pinion Gear (PART OF 43-828695A1)
16	12-92721	WASHER
17	11-35921	NUT, (.625-18)
18	23-815921A4	BUSHING ASSEMBLY
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 (LOWER)
24	45-8M0140442	DRIVESHAFT (LOWER)
25	28-8M0204723	KEY
26	15-42637A1	SHIM SET
27	31-8M0146566	BEARING, Roller
28	NSS	NOT SOLD SEPARATE, Cup
29	8245191	RETAINER
30	8M0214948	CARRIER ASSEMBLY
31	25-8M0142854	O-RING, (2.175 x .175)
32	26-8M0214939	SEAL, Oil
33	26-8M0214939	SEAL, Oil
34	817275A1	PUMP ASSEMBLY, Water
35	26-816575A2	SEAL KIT
36	27-430331	GASKET
37	27-8172771	GASKET
38	8M0204709	FACEPLATE
39	47-43026T2	IMPELLER
40	10-1993716	SCREW, (M6 x 16)
41	832942A1	COUPLING ASSEMBLY
42	25-8M0204645	O-RING, (.796 x .139)
43	25-8M0204654	O-RING, (1.046)
44	45-826353A1	EXTENSION KIT, Driveshaft Comment: (XXL)(SEE NOTE)
45	823902	COUPLING

▶Gear Hsg(Driveshaft) (Std)(S/N-0G960499 & Below) (46 parts)

Ref	OEM Part #	Part Name
-	47-8M0100526	REPAIR KIT, Water Pump Impeller
1	1623-859399T18	GEAR HOUSING ASSEMBLY, Basic Comment: (BLACK)
2	17-379721	PIN
3	821526001	FILLER BLOCK
4	22-8M0058389	FITTING KIT, Magnetic, Plug Fill/Drain
5	12-191833	WASHER
6	97-826134Q	ANODE
7	10-4000333	SCREW, (M6 x 40)
8	11-401386	NUT, (M6)
9	31-42647A1	BEARING ASSEMBLY, Roller
10	17-43044	PIN, Dowel - Without Hole (.375 x .625)
11	10-79953Q04	SCREW KIT, (.375-16 x .250) Drain
12	12-191833	WASHER
13	22-85822A6	CONNECTOR Comment: (XXL)
14	56762	TIE STRAP, (4.00 Inches)
15	NSS	NOT SOLD SEPARATE, Pinion Gear (PART OF 43-828170A2) Comment: (1.87:1 - 15/28)
16	12-92721	WASHER
17	11-35921	NUT, (.625-18)
18	23-815921A4	BUSHING ASSEMBLY
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 (LOWER)
24	45-8M0140442	DRIVESHAFT (LOWER)
25	28-8M0204723	KEY
26	15-42637A1	SHIM SET
27	31-8M0146566	BEARING, Roller
28	NSS	NOT SOLD SEPARATE, Cup
29	8245191	RETAINER
30	8M0214948	CARRIER ASSEMBLY
31	25-8M0142854	O-RING, (2.175 x .175)
32	26-8M0214939	SEAL, Oil
33	26-8M0214939	SEAL, Oil
34	817275A1	PUMP ASSEMBLY, Water
35	26-816575A2	SEAL KIT
36	27-430331	GASKET
37	27-8172771	GASKET
38	8M0204709	FACEPLATE
39	47-43026T2	IMPELLER
40	10-1993716	SCREW, (M6 x 16)
41	832942A1	COUPLING ASSEMBLY
42	25-8M0204645	O-RING, (.796 x .139)
43	25-8M0204654	O-RING, (1.046)
44	45-826353A1	EXTENSION KIT, Driveshaft Comment: (XX-LONG -30 IN.)(SEE NOTE)
45	823902	COUPLING Comment: XX-LONG

▶Gear Hsg(Driveshaft)(C/R)(S/N-0G960500 & Up) (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) 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	12-191833	WASHER
12	32-85944975	TUBING, (72.00 Inches Bulk) Comment: (XX-LONG - 17 IN.)
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 43-828695A1)
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 (LOWER)
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 Hsg(Driveshaft)(Std)(S/N-0G960500 & Up) (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) 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	12-191833	WASHER
12	32-85944975	TUBING, (72.00 Inches Bulk) Comment: (XX-LONG - 17 IN.)
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 43-859321A3)
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 (LOWER)
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 Hsg(Propshaft) (C/R)(S/N-0G960499 & Below) (38 parts)

Ref	OEM Part #	Part Name
-	26-816575A4	SEAL KIT, Gear Housing
1	1623-859399T18	GEAR HOUSING ASSEMBLY, Basic Comment: (BLACK)
47	8M0226861	SHIFT CRANK
48	8M0235940	SPOOL ASSEMBLY
49	NSS	NOT SOLD SEPARATE, Spool
50	NSS	NOT SOLD SEPARATE, Sleeve
51	NSS	NOT SOLD SEPARATE, Cotter Pin
52	15-44491A1	SHIM SET
53	828830A2	ADAPTOR ASSEMBLY, Bearing
54	31-814653T	BEARING ASSEMBLY, Needle Rollers
55	12-815481	THRUST WASHER
56	31-815480	BEARING, Thrust
57	43-828696T2	GEAR, Reverse (12/21)
58	31-15844	BEARING ASSEMBLY, Roller
59	24-30893	SPRING
60	52-859340T	CLUTCH
61	17-8M0100263	PIN, Cross
62	17-828356	PIN, Detent
63	44-8M0140448	PROPELLER SHAFT
64	43-828695A1	GEAR SET, Forward/Pinion (12/21) (INCLUDES PINION)
65	23-1761526	SPACER SHIM, (.230)
66	31-815480	BEARING, Thrust
67	12-815481	THRUST WASHER
68	828831A3	ADAPTOR ASSEMBLY, Bearing
69	31-814653T	BEARING ASSEMBLY, Needle Rollers
70	12-18448	THRUST WASHER
71	31-15842	BEARING, Thrust
72	8182911	RACE, Thrust
73	814605	KEEPER
74	25-8M0214920	O-RING
75	818290T8	CARRIER ASSEMBLY, Bearing
76	31-30956T	BEARING, Needle
77	26-14077	SEAL, Oil (INSIDE)
78	26-8M0204670	SEAL (OUTSIDE)
79	14-18323	TAB WASHER
80	8M2011027	RETAINER
81	97-76214Q5	ANODE KIT
82	10-8M0204686	SCREW, (.437-14 x 1.750)

▶Gear Hsg(Propshaft) (Std)(S/N-0G960499 & Below) (31 parts)

Ref	OEM Part #	Part Name
-	26-816575A4	SEAL KIT, Gear Housing
1	1623-859399T18	GEAR HOUSING ASSEMBLY, Basic Comment: (BLACK)
46	8M0226861	SHIFT CRANK
47	8M0235940	SPOOL ASSEMBLY
48	NSS	NOT SOLD SEPARATE, Shift Spool
49	NSS	NOT SOLD SEPARATE, Cotter Pin
50	NSS	NOT SOLD SEPARATE, Sleeve
51	15-44491A1	SHIM SET
52	43-878611A2	GEAR SET, Forward/Pinion (INCLUDES PINION GEAR) Comment: (1.87:1 - 15/28)
53	31-30894A1	BEARING SET, Cup And Cone
54	NSS	NOT SOLD SEPARATE, Cup
55	53-856823	RING, Retaining
56	31-30895T	BEARING, Needle
57	24-30893	SPRING
58	52-859340T	CLUTCH
59	17-828356	PIN, Detent
60	17-8M0100263	PIN, Cross
61	44-8M0140440	PROPELLER SHAFT
62	43-828171A1	GEAR, Reverse Comment: (1.87:1 - 15/28)
63	23-824108	SPACER
64	681001	RING, Thrust
65	30-88957T	BEARING, Ball
66	25-8M0214920	O-RING
67	818763T11	CARRIER ASSEMBLY, Bearing
68	31-30956T	BEARING, Needle
69	26-14077	SEAL, Oil (INSIDE)
70	26-8M0204670	SEAL (OUTSIDE)
71	14-18323	TAB WASHER
72	8M2011027	RETAINER
73	97-76214Q5	ANODE KIT
74	10-8M0204686	SCREW, (.437-14 x 1.750)

▶Gear Hsg(Propshaft)(C/R)(S/N-0G960500 & Up) (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) (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) (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 Hsg(Propshaft)(Std)(S/N-0G960500 & Up) (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	43-859321A3	GEAR SET, Forward/Pinion (12/21) (1.75:1)
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	43-859322A1	GEAR, Reverse (12/21) (1.75:1)
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 (10-32 X 2 IN.)
6	18321	CLAMP, Mounting
7	12-24676	WASHER, (.200 x .440 x .032)
8	10-32,11-68219	NUT, Stainless Steel (10-32)
9	79146	RETAINER
10	54-816311T	TIE STRAP, (8.00 Inches)
11	812497A2	DIODE ASSEMBLY
12	84-11149A2	CABLE ASSEMBLY, (6.00 Inches) (6 IN.)
13	79-859698A1	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	84-827752A1	CABLE ASSEMBLY, (20.00 Feet)

▶Oil Injection Components (41 parts)

Ref	OEM Part #	Part Name
1	1270-830889A1	TANK ASSEMBLY, Oil Comment: SN# 0G960499 & Below
2	1270-818456A1	TANK ASSEMBLY, Oil Comment: SN# 0G960500 & Up
3	23-8260841	SPACER
4	10-58376	SCREW, (.164-18 x .375)
5	12-72761	WASHER, (.203 x .562 x .060) Stainless Steel
6	NSS	NOT SOLD SEPARATE, Decal-Oil Tank
7	36-814449A3	CAP ASSEMBLY
8	27-42999T	GASKET
9	87-12886A7	SWITCH ASSEMBLY
10	23-19064	BUSHING
11	25-825380001	GROMMET
12	12-49436	WASHER
13	10-81893435	SCREW, (M8 x 35)
14	32-8M0108355	HOSE, (57.00 Inches Bulk) Comment: (10 Inches) SN# 0G960500 & Up
15	22-8M0207780	FITTING
16	10-82104530	SCREW (M5 X 30)
17	815536T1	PUMP, Oil
18	25-11379	O-RING
19	25-48462	O-RING, (.614 x .070)
20	23-817631	BEARING, Driven Gear
21	43-430204	GEAR, Driven
22	816974	BEARING, Thrust
23	10-82104520	SCREW, (M5 x 20) (M5 X 20)
24	54-816311T	TIE STRAP, (8.00 Inches)
25	32-82381455	TUBING, (25.00 Inches Bulk) (8-3/4 IN.)
26	32-82381335	TUBING, (15.00 Inches Bulk) (7 IN.)
27	1257-87421	TANK
28	36-43298A2	CAP ASSEMBLY
29	NSS	NOT SOLD SEPARATE, Insert
30	25-11332	O-RING, (2.225 x .210)
31	816190A4	SENDER ASSEMBLY, Oil Level
32	25-11332	O-RING, (2.225 x .210)
33	32-99802	TUBE
34	32-99439	HOSE, (114.00 Inches)
35	12335A1	BRACKET KIT
36	12323A1	CORD/HOOK KIT
37	NSS	NOT SOLD SEPARATE, Decal-Caution Remote Tank
38	32-858853	HOSE
39	54-816311T	TIE STRAP, (8.00 Inches)
40	22-858955	CONNECTOR
41	NSS	NOT SOLD SEPARATE, Cap

▶Power Trim Components(Cast Pump Housing) (36 parts)

Ref	OEM Part #	Part Name
-	855998A11	POWER TRIM, 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	COUPLING
7	878410A1	PO CHECK KIT
8	893929A01	MANUAL RELEASE ASSEMBLY
9	8M0142997	SHAFT KIT Comment: (Incls. Ref. #26)
10	17-878267	PIN
11	878235A03	TILT CYLINDER ASSEMBLY
12	878239A02	GUIDE KIT Comment: (Incls. Ref. #26)
13	8M0142999	O-RING KIT Comment: (Incls. Ref. #26)
14	8M0168219	SHOCK ROD KIT Comment: (Incls. Ref. #26)
15	8M0143000	PISTON ASSEMBLY, Memory
16	878406A02	REPAIR KIT, Check Valve Comment: (Incls. Ref. #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)

▶Power Trim Components(Removable Pump Housing) (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, Tilt
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 Comment: (STBD.)
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(Removable Pump Housing) (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)

▶Reed Block/Flywheel Cover (12 parts)

Ref	OEM Part #	Part Name
-	804800A00	POWERHEAD ASSEMBLY Comment: (250) SN# 0G960500 & Up
1	54-49542	CLAMP
2	27-825815	GASKET
3	10-82130012	SCREW, (M6 x 12)
4	825178T5	ADAPTOR PLATE
5	827507	RETAINER
6	10-82130025	SCREW, (M6 x 25)
7	27-8141951	GASKET
8	828623T4	REED BLOCK Comment: SN# 0G960500 & Up
9	10-4007420	SCREW, (M6 x 20)
10	825832	FLYWHEEL COVER
11	25-8M0153609	GROMMET

▶Service/Support Material (1 parts)

Ref	OEM Part #	Part Name
0	37-804670A01	DECAL, EPA Label Information Comment: (2001)

▶Starter Motor (17 parts)

Ref	OEM Part #	Part Name
1	50-898265009	STARTER MOTOR ASSEMBLY
2	8236392	DRIVE CAP
3	10-823641	THRU BOLT
4	823640T	DRIVE KIT
5	13310T1	PINION ASSEMBLY
6	823638	ARMATURE
7	898265016	BRUSH/SPRING KIT
8	898265014	HOLDER
9	8119011	CAP, Commutator
10	F15158	SCREW
11	37-8272822	DECAL, Warning, High Voltage
12	13-26992	LOCKWASHER, (.250) Stainless Steel
13	11-94330	NUT, (.250-20) Brass
14	13-26992	LOCKWASHER, (.250) Stainless Steel
15	11-20890	NUT, (.250-20)
16	10-81893450	SCREW, (M8 x 50)
17	23-824921	SPACER

▶Swivel Bracket and Steering Arm (37 parts)

Ref	OEM Part #	Part Name
1	1499-8M0102865	SWIVEL BRACKET ASSEMBLY, Black Comment: (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: (BLACK-XL/XXL-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	8M0074846	SENDER ASSEMBLY, Trim
16	10-852368	SCREW, (#10-24 x .750)
17	10,13-26996	LOCKWASHER, Stainless Steel
18	12-89302	WASHER, (.203 x .406 x .040)
19	17-8M0132731	SWIVEL PIN ASSEMBLY, Steering Arm - Stainless Steel Comment: (XL/XXL-STAINLESS STEEL)
20	10-8M0141069	SCREW, (M12 x 190)
21	824998001	BUMPER
22	8163851	MOUNT, Upper
23	12-8154371	WASHER
24	12-815436	WASHER
25	11-896963	NUT, (M12)
26	8M0036783	CLAMP
27	10-81893435	SCREW, (M8 x 35)
28	92876A12	LINK ROD ASSEMBLY
29	10-849838	SCREW, (.375-24 x 1.250)
30	11-8M0204726	NUT, (.375-24) Stainless Steel
31	12-37828	WASHER, (.390 x .625 x .062) Stainless Steel
32	NSS	NOT SOLD SEPARATE, Decal-Serial Overlaminate
33	22-859732	PLUG
34	22-8M0214970	FITTING, Adapter
35	22-859448T	FITTING
36	25-8M0153609	GROMMET
37	54-850181	TIE STRAP, (11.750 Inches)

▶Tools-Special (1 parts)

Ref	OEM Part #	Part Name
-	91-821571A1	GUIDE TOOL, Water Pump Alignment Pins (GEAR HOUSING)

▶Top Cowl (19 parts)

Ref	OEM Part #	Part Name
1	4001-814277T15	TOP COWL ASSEMBLY Comment: (SILVER)
2	821256T2	INLET, Air - Silver Comment: (SILVER)
3	10-82130016	SCREW, (M6 x 16)
4	821250A1	SOUND BLANKET KIT
5	NSS	NOT SOLD SEPARATE, Sound Blanket (SIDE)
6	19-823865	CAP PLUG
7	821248	REAR LATCH HOOK
8	53-8237951	RING, Retaining
9	8M0207770	ROLLER
10	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
11	11-401366	NUT, (M6) Stainless Steel
12	8M0036792	BRACKET, Front
13	815477	BUMPER, Latch
14	8155381	PIN, Roll
15	11-401366	NUT, (M6) Stainless Steel
16	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel
17	826639T	COVER
18	47341A11	ROPE AND HANDLE KIT, Manual Starting
19	NSS	NOT SOLD SEPARATE, Decal-Break-In

▶Transom Brackets (22 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
20	10-96930A1	BOLT ASSEMBLY
21	12-25909	WASHER, (.406 x .812 x .065)
22	11-23161	NUT, (.375-24)

▶Vapor Seperator Components (34 parts)

Ref	OEM Part #	Part Name
-	825818A12	MANAGEMENT ASSEMBLY, Fuel Comment: (225 - 2 Shutter) SN# 0G960499 & Below
1	8140111	BODY KIT
2	10-809091	SCREW KIT
3	809086	O-RING
4	21-424811	VALVE
5	809092	SCREW KIT, Mounting
6	10-809061	BOLT
7	13-400256	LOCKWASHER
8	12-8090621	WASHER
9	12-8090622	WASHER
10	25-88033	GROMMET
11	23-809078	COLLAR
12	15445	FLOAT KIT
13	15446	VALVE KIT, Float
14	8140101	COVER
15	22-809085	ELBOW KIT
16	10-8140761	SCREW KIT
17	809090	CONNECTION KIT, Electrical
18	32-897992A01	TUBING KIT
19	809087	ATTACHING KIT
20	814012T1	REGULATOR KIT, Fuel Pressure
21	809088T	PUMP KIT, Fuel
22	808504T1	STRAINER KIT
23	809089	FITTING KIT, Fuel Pump
24	150291	O-RING KIT
25	11-8237515	NUT, (M4)
26	11-400211	NUT, (M5) Stainless Steel
27	8,13-26995	LOCKWASHER, Stainless Steel
28	825762	SENSOR, MAP
29	10-82130012	SCREW, (M6 x 12)
30	22-15026	CAP
31	37-804670A01	DECAL, EPA Label Information Comment: (2001)
32	NSS	NOT SOLD SEPARATE, Decal-Caustion In-Gear Idle
33	37-881865	DECAL, Caution, Start In Gear

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 250 (3.0L EFI) 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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