Mercury 650 (4 CYL.) (2309311 THRU 2803561) Parts & Diagrams

🔎 Mercury 650 (4 CYL.) Reference Library — Exploded parts diagrams (20 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 650 (4 CYL.) is a 4-Stroke, Inline 4-Cylinder, EFI, SOHC outboard motor. Suited for bay boats, pontoons, and center-console fishing boats requiring reliable mid-range power.

Quick Reference Specifications

Specification	Value
Engine Type	4-Stroke, Inline 4-Cylinder, EFI, SOHC
Horsepower	65 HP
Displacement	2100 cc
Bore x Stroke	90 mm x 81 mm
Spark Plug (Type & Gap)	NGK IZFR6F-11
Engine Oil Capacity	5.2 L (5.5 quart)
Recommended Engine Oil	Mercury FourStroke Oil 10W-30
Gear Case Oil Capacity	—
Idle Speed (in gear)	650 ± 25 RPM (in gear)
Full Throttle RPM Range	4500-5500
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 650 (4 CYL.):

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 650 (4 CYL.).

▶BOTTOM COWL AND SHIFT LINKAGE (55 parts)

Ref	OEM Part #	Part Name
1	2115-3807	COWL, BOTTOM
2	37920A1	COVER PLATE ASSEMBLY, BOTTOM COWL
3	37940	PAD, SOUND-COVER PLATE
4	10-8M0113176	SCREW, COVER PLATE TO BOTTOM COWL (3/8")
5	52862A2	DRIP TRAY ASSEMBLY, BOTTOM COWL
6	37940	PAD, SOUND-DRIP TRAY
7	37903	FLANGE, RUBBER-DRIP TRAY
8	10-41228	SCREW, DRIP TRAY TO BOTTOM COWL (1/2")
9	37638	BOOT, CONTROL CABLES-BOTTOM COWL
10	23760	BAFFLE, BOTTOM COWL
11	10-52867	SCREW, BAFFLE TO BOTTOM COWL
12	37637	BOOT, FUEL CONNECTOR-BOTTOM COWL
13	37445	SUPPORT, WIRING HARNESS-BOTTOM COWL
14	10-69029	SCREW, WIRING HARNESS SUPPORT TO BOTTOM COWL (1-3/4")
15	11-8M0207775	NUT, WIRING HARNESS SUPPORT SCREW
16	32-8M0108355	HOSE, TELL TALE - EXHAUST COVER TO BOTTOM COWL (16")
17	22-291112	CONNECTOR, TELL TALE HOSE TO BOTTOM COWL
18	52889	NOZZLE, TELL TALE HOSE TO BOTTOM COWL
19	10-41228	SCREW, TELL TALE NOZZLE TO BOTTOM COWL (1/2")
20	22-996642	ELBOW, TELL TALE HOSE TO EXHAUST COVER
21	54-48123	CLAMP, TELL TALE HOSE TO CONNECTOR AND ELBOW
22	27-47257	GASKET, POWERHEAD TO EXHAUST EXTENSION PLATE
23	56306A2	PLATE ASSEMBLY, EXHAUST EXTENSION
24	26-38970	SEAL, RUBBER-WATER INLET TUBE
25	38448	RETAINER, WATER TUBE SEAL
26	10-69069	SCREW, RETAINER TO EXTENSION PLATE (3/4")
27	10-24226	SCREW, EXTENSION PLATE TO DRIVE SHAFT HOUSING (1-1/4")
28	11-8M0207775	NUT, EXHAUST EXTENSION PLATE SCREW
29	27-38471	GASKET, EXHAUST PLATE TO DRIVE SHAFT HOUSING
30	37918	SEAL, EXHAUST EXTENSION PLATE
31	99358	STRIP, RETAINING-EXHAUST EXTENSION PLATE SEAL
32	10-37571	SCREW, SEAL AND STRIP TO EXHAUST EXTENSION PLATE (1/2")
33	60304A54	SHIFT SHAFT ASSEMBLY, UPPER (LONG SHAFT) Comment: SERIAL 02606013-09999999
34	93960A1	COUPLING, SHIFT SHAFT Comment: SERIAL 02606013-09999999
35	23-26600	BUSHING, NYLON-UPPER SHIFT SHAFT Comment: SERIAL 02606013-09999999
36	73402	LINK ROD ASSEMBLY
37	12-24664	WASHER, LINK ROD (SHIFT LEVER END)
38	13-29720	WASHER, WAVE-LINK ROD
39	52732A6	BRACKET ASSEMBLY, ANCHOR CONTROL CABLES
40	49935	CAP, BRASS BARREL OF THROTTLE CABLE
41	10-35386	SCREW, ANCHOR BRACKET TO CYLINDER BLOCK (1")
42	24-20099	SPRING, LINK ROD TO GUIDE BLOCK
43	37896	GUIDE BLOCK, LINK ROD
44	52100	WEAR PLATE, LINK ROD (NOT AS SHOWN)
45	8M0036768	LATCH, CONTROL CABLE FASTENING-ANCHOR BRACKET
46	12-69056	WASHER, CONTROL CABLE LATCH LINK ROD
47	11-8267089	NUT, LINK ROD
48	49932A1	LEVER ASSEMBLY, CONTROL CABLE LOCKING-ANCHOR BRACKET
49	24-37911	SPRING, CONTROL CABLE LOCKING LEVER
50	17-239281	PIN, ROLL-CONTROL CABLE LOCKING LEVER
51	24-38472	SPRING, CONTROL CABLE TENSION-ANCHOR BRACKET
52	46933A1	GROUND STRAP ASSEMBLY, CRANKCASE TO BOTTOM COWL
53	46933A2	GROUND STRAP ASSY,DRIVE SHAFT HOUSING TO BOTTOM COWL
54	10-62568	SCREW, GROUND STRAP ATTACHING (3/8")
55	13-69432	WASHER, GROUND STRAP SCREW

▶CARBURETOR ASSEMBLY (21 parts)

Ref	OEM Part #	Part Name
--	1395-92621	REPAIR PARTS KIT ( PER CARBURETOR)
1	1335-3683	CARBURETOR ASSEMBLY, COMPLETE (KC-11A)
2	1395-8673	FLOAT ASSEMBLY
6	1395-92581	INLET NEEDLE, SEAT AND GASKET
9	1399-1133	COVER, FLOAT BOWL
10	10-52195	SCREW, FLOAT BOWL COVER (SHORT)
11	10-52196	SCREW, FLOAT BOWL COVER (LONG)
12	13-26995	LOCKWASHER, FLOAT BOWL COVER SCREWS
14	1399-3938	SCREEN, FILTER
16	1399-4791A1	COVER, STRAINER
18	10-25822	SCREW, STRAINER COVER FASTENING
19	1395-6027	SCREW, THROTTLE STOP LEVER
20	8146791	LEVER, THROTTLE STOP (SEE NOTE BELOW)
21	1399-2012	SHAFT, THROTTLE
25	1399-3401	SHUTTER, THROTTLE
27	1399-1713	SCREW, IDLE ADJUSTMENT
28	10-28405	SCREW, PLUG - MAIN FUEL JET CHANNEL
30	1399-1457	JET, MAIN FUEL (.057)
33	10-28846	SCREW, PLUG - MAIN NOZZLE
36	27-31402	GASKET, CARBURETOR FLANGE
37	11-29250	NUT, CARBURETOR MOUNTING STUD

▶CARBURETOR LINKAGE AND CHOKE SOLENOID (37 parts)

Ref	OEM Part #	Part Name
1	45068	CHOKE SOLENOID
2	13-26996	LOCKWASHER, HARNESS LEAD TO CHOKE SOLENOID
3	11-68219	NUT, WIRE HARNESS LEAD TO CHOKE SOLENOID
4	10-25299	SCREW, CHOKE SOLENOID ATTACHING (3/4")
5	13-8M0204647	LOCKWASHER, CHOKE SOLENOID ATTACHING SCREW
6	54-33361	CLIP, CHOKE SOLENOID WIRE
7	48315A4	PLUNGER AND LINK ASSEMBLY, CHOKE SOLENOID
8	12-30164	WASHER, PLUNGER AND LINK
9	18-26953	COTTER PIN, LINK TO UPPER CHOKE LEVER
10	74371	CLUSTER, THROTTLE LEVER Comment: SERIAL 02352092-09999999
11	1395-6027	SCREW, CLUSTER TO THROTTLE LEVER
12	1335-3683	CARBURETOR ASSEMBLY, COMPLETE
13	53649A2	THROTTLE PICK-UP BRACKET ASSEMBLY Comment: SERIAL 00000000-02602884
14	10-29239	SCREW, THROTTLE BRCKET MOUNTING (1/2") Comment: SERIAL 00000000-02602884
15	53649A2	THROTTLE PICK-UP BRACKET ASSEMBLY Comment: SERIAL 02602885-09999999
16	28-89694	INSERT, THROTTLE PICK-UP BRACKET Comment: SERIAL 02602885-09999999
17	10-53651	SCREW, THROTTLE BRACKET MOUNTING (1/2") Comment: SERIAL 02602885-09999999
18	10-657461	STUD, CHOKE ROD SPRING TO CARBURETOR (1")
19	23-32427	SPACER, CHOKE ROD SPRING STUD
20	11-8M0207775	NUT, CHOKE ROD SPRING TO CARBURETOR STUD
21	24-37678	SPRING, TENSION - CHOKE ROD
22	90242A1	KNOB, CHOKE ROD
23	25-20116	GROMMET, CHOKE ROD
24	53121	LINK, CHOKE KNOB TO CHOKE ROD
25	10-69022	SCREW, LINK TO CHOKE KNOB Comment: SERIAL 00000000-02602884
26	18-26953	COTTER PIN, LINK TO CHOKE KNOB Comment: SERIAL 02602885-09999999
27	13-26996	LOCKWASHER, LINK SCREW AND PIN
28	46302	ROD, CHOKE
29	17-25391	RIVET, CHOKE SHUTTER TO CHOKE ROD
30	47804	SHUTTER, CHOKE - CARBURETOR
31	16-69036	STUD, CARBURETOR - CHOKE SHUTTER PIVOT (1-3/8")
32	12-30164	WASHER, CHOKE SHUTTER CARBURETOR STUD
33	11-20110	NUT, CHOKE SHUTT ER TO CARBURETOR STUD
34	35-56197	SCREEN, FILTER - CARBURETOR
35	16-69037	STUD, FILTER TO CARBURETOR (1-1/8")
36	12-30164	WASHER, CARBURETOR SCREEN STUD
37	11-20110	NUT, CARBURETOR SCREEN STUD

▶CLAMP AND SWIVEL BRACKET ASSEMBLY (59 parts)

Ref	OEM Part #	Part Name
--	11-8M0207775	NUT, LOWER SHOCK PIN SCREW (LONG SHAFT)
1	1440-8394A1	CLAMP BRACKET ASSEMBLY
2	28403A3	THUMB SCREW ASSEMBLY
3	12-28404	WASHER, THUMB SCREW
4	8M0041936	TUBE, TILT-CLAMP BRACKET TO SWIVEL BRACKET
5	12-52864	WASHER, CLAMP BRACKET TILT TUBE
6	11-858869	NUT, TILT TUBE FASTENING
7	53078	CAP, PLASTIC-TILT TUBE
8	23-59624	SPACER, CLAMP BRACKET STUD
9	16-59625	STUD, CLAMP BRACKET
10	13-8M0204647	LOCKWASHER, CLAMP BRACKET STUD
11	11-22053	NUT, CLAMP BRACKET STUD
12	17-8M0026068	TILT LOCK PIN ASSEMBLY
13	32-28052	SLEEVE, RUBBER-TILT LOCK PIN BUMPER
14	10-68299	BOLT, CLAMP BRACKET TO BOAT TRANSOM (UPPER)
15	12-8M0204648	WASHER, CLAMP BRACKET BOLT (UPPER)
16	11-82670912	NUT, CLAMP BRACKET BOLT
17	55-28416	PIN, UPPER SHOCK MOUNTING
18	1482-6386A4	SWIVEL BRACKET ASSEMBLY (LONG SHAFT)
19	26-37448	OIL SEAL, SWIVEL BRACKET
20	10-47828	SCREW, DRIVE-SWIVEL BRACKET
21	22-69059	FITTING, GREASE
22	19-77633Q	LUBRICAP, SWIVEL BRACKET GREASE FITTING
23	76386	TILT LOCK ASSEMBLY, STARBOARD
24	76385T	TILT LOCK ASSEMBLY, PORT
25	47802	TUBE, TILT LOCK
26	18-47959	COTTER PIN, TILT LOCK TUBE
27	23-47803	BUSHING, TILT LOCK TUBE
28	13-69150	WASHER, WAVE-TILT LOCK TUBE
29	17-49840A1	SWIVEL PIN AND STEERING ARM ASSEMBLY (LONG SHAFT)
30	28203	BUMPER, STEERING ARM
31	10-30453	BOLT, STEERING ARM TO UPPER MOUNT
32	11-8M0204653	NUT, STEERING ARM BOLT FASTENING
33	12-37429	WASHER, SWIVEL PIN-LOWER (TOP WASHER OPTIONAL)
34	10-31830	SCREW, RIDE-GUIDE ATTACHING (1-3/4")
35	11-8M0204726	NUT, RIDE-GUIDE ATTACHING SCREW
36	38-56267	SERIAL PLATE
37	10-25612	SCREW, DRIVE-SERIAL PLATE TO SWIVEL BRACKET
38	17-25598	PIN, REVERSE LOCK SPRING ATTACHING
39	28205T	STRAP STOP, DRIVE SHAFT HOUSING TO SWIVEL BRACKET
40	10-28200	SCREW, STRAP STOP TO DRIVE SHAFT HOUSING (2-7/8")
41	11-25269	NUT, STRAP STOP FASTENING SCREW
42	73984T	YOKE, BOTTOM
43	11-37424	NUT, SWIVEL PIN RETAINING
44	55-28414	PIN, LOWER SHOCK MOUNTING (LONG SHAFT)
45	24-29821	SPRING, REVERSE LOCK TENSION
46	87431	REVERSE LOCK ASSEMBLY
47	56349	SHAFT, REVERSE LOCK PIVOT
48	18-45882	COTTER PIN, REVERSE LOCK TO SHAFT
49	23-28199	SPACER, UPPER SHOCK BUSHING TO CLAMP BRACKET
50	12-28196	WASHER, UPPER BUSHING RETAINER (INNER)
51	12-8M0204695	WASHER, LOWER BUSHING RETAINER (INNER)
52	55-58780A7	SHOCK ABSORBER
53	23-32171	BUSHING, RUBBER-SHOCK ABSORBER (UPPER)
54	23-28198	BUSHING, RUBBER-SHOCK ABSORBER (LOWER)
55	12-8M0204648	WASHER, UPPER AND LOWER BUSHING RETAINER (OUTER)
56	10-69375A1	SCREW, UPPER AND LOWER SHOCK MOUNTING PIN (3/4")
57	70679	COVER, UPPER AND LOWER SHOCK MOUNTING PIN
58	10-37655	SCREW, COVER TO SHOCK MOUNTING SCREWS (1/2")

▶COWLING AND FRONT COVER (15 parts)

Ref	OEM Part #	Part Name
--	92-86166Q1	GLUE, ADHESIVE - SOUND BLANKET FASTENING
1	2182-7927A8	COWL FRONT COVER ASSEMBLY
2	56849	KNOB, COWL FRONT COVER FASTENING
3	12-30771	WASHER, COVER FASTENING KNOB (RUBBER)
4	12-27129	WASHER, COVER FASTENING KNOB (STEEL)
5	24-30772	SPRING, TENSION - COVER FASTENING KNOB
6	17-29077	ROLL PIN, TENSION SPRING TO KNOB
7	38674	BLANKET, SOUND ABSORBING - FRONT COVER
8	31095	STRIP, SOUND - LOWER SECTION
9	35552	SEAL, SOUND - UPPER SECTION
10	53334	SEAL, SOUND - TOP
11	2119-3248A3	WRAP AROUND COWL ASSEMBLY
12	46785A1	COWL LATCH ASSEMBLY
13	30413	HOOK, COWL LATCH FASTENING
14	31935	BLANKET, SOUND ABSORBING - WRAP AROUND COWL

▶CRANKSHAFT, PISTON AND CONNECTING ROD (31 parts)

Ref	OEM Part #	Part Name
--	39-45205A12	RING, PISTON (.015 OVERSIZED)
1	418-3249A3	CRANKSHAFT ASSEMBLY
2	30-62567T	BEARING, BALL- UPPER
3	30-63742T	BEARING, BALL- LOWER
4	25-8M0214919	"O" RING, DRIVE SHAFT SPLINE
5	28-45554	KEY, FLYWHEEL DRIVE
6	533-2761A5	MAIN BEARING ASSEMBLY (VALVE TYPE)
7	17-20032	DOWEL PIN, MAIN BEARING
8	10-45775	SCREW, MAIN BEARING CLAMPING
9	11-45774	NUT, MAIN BEARING CLAMPING SCREW
10	34-45506A1	REED SET, MATCHED-MAIN BEARING
11	34-64632	REED STOP, MAIN BEARING REED VALVES
12	10-77280	SCREW, REED STOP MOUNTING
13	11-29469	NUT, REED STOP MOUNTING SCREW
14	531-1884A3	CENTER MAIN BEARING ASSEMBLY
15	17-20032	DOWEL PIN, CENTER MAIN BEARING
16	29-714221	BEARING, NEEDLE
17	26113T	RACE, OUTER (PAIR)
18	53-26933	RING, SNAP-OUTER RACE CLAMPING
19	10-22968	SCREW, CENTER MAIN BEARING CLAMPING
20	11-8M0207775	NUT, MAIN BEARING CLAMPING SCREW
21	17-31245	DOWEL PIN (STEPPED)
22	739-3284A2	PISTON AND PISTON PIN ASSEMBLY
23	40-45740	LOCK RING, PISTON PIN
24	39-45153A12	RING, PISTON
25	617-2768A3	CONNECTING ROD AND CAP ASSEMBLY
26	10-54803	SCREW, CAP TO CONNECTING ROD
27	11-20061	NUT, CONNECTING ROD SCREW
28	29-47897	BEARING, NEEDLE-CRANKPIN
29	29-39656	BEARING, NEEDLE-PISTON PIN
30	12-45741	WASHER, NEEDLE LOCATING

▶CYLINDER BLOCK AND CRANKCASE ASSEMBLY (63 parts)

Ref	OEM Part #	Part Name
1	1128-3367A1	END CAP ASSEMBLY, UPPER
2	26-41953	OIL SEAL
3	25-31305	"O" RING
4	15-31283A1	SHIM, UPPER END CAP TO CRANKCASE (.002-3-5-10)
5	10-30225	SCREW, UPPER END CAP MOUNTING
6	834-3997A3	CYLINDER BLOCK AND CRANKCASE ASSEMBLY
7	17-20032	DOWEL PIN, CYLINDER BLOCK TO MAIN BEARING
8	17-43044	DOWEL PIN, CRANKCASE TO CYLINDER BLOCK
9	22-328022	PLUG, PIPE-WATER PRESSURE HOLE (CYLINDER BLOCK)
10	16-64936	STUD, CARBURETOR MOUNTING (1-1/4")
11	16-64281	STUD, CRANKCASE TO DRIVE SHAFT HOUSING (1-7/8")
12	16-26134	STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (4-1/16")
13	16-26135	STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (2-5/16") Comment: SERIAL 00000000-02312935
14	16-48770	STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (3-9/16") Comment: SERIAL 02312936-09999999
15	10-21449	SCREW, CRANKCASE TO CYLINDER BLOCK (2")
16	10-33008	SCREW, CRANKCASE&STARTER MTR BRCKT TO CYL BLK (3-1/2")
17	12-26825	WASHER, CRANKCASE AND STARTER MOTOR BRACKET SCREW
18	53-78201	BRACKET, GROUND STRAP TO CRANKCASE
19	10-62568	SCREW, GROUND STRAP TO BRACKET
20	12-20084	WASHER, GROUND STRAP AND CRANKCASE SCREW
21	11-29250	NUT, CRANKCASE TO CYLINDER BLOCK SCREW
22	10-36351	SCREW, MAIN BEARING LOCKING
23	14-20091	TAB WASHER, BEARING LOCKING SCREW
24	10-20359	SCREW, CENTER MAIN BEARING LOCKING
25	1126-3369A2	END CAP ASSEMBLY, LOWER
26	21-28481A1	CHECK VALVE ASSEMBLY, END CAP
27	26-29478	OIL SEAL, LOWER
28	26-41953	OIL SEAL, UPPER
29	25-20081	"O" RING
30	15-20085A1	SHIM, LOWER END CAP TO CRANKCASE (.002-3-5-10)
31	10-30225	SCREW, LOWER END CAP MOUNTING
32	32-8M0108355	TUBE, BALANCE-MAIN BEARING
33	22-996642	ELBOW, BALANCE TUBE TO MAIN BEARING
34	54-20387	CLAMP, LOWER BLEED HOSE
35	22-53491	TEE, BLEED AND BALANCE HOSE TO CYLINDER BLOCK
36	32-9912688	HOSE, CYLINDER BLEED-LOWER (8-1/2")
37	27-37449	GASKET, CYLINDER BLOCK TO BAFFLE PLATE
38	37447	PLATE, BAFFLE PLATE TO MANIFOLD COVER
39	27-37414	GASKET, BAFFLE PLATE TO MANIFOLD COVER
40	46298	COVER, EXHAUST MANIFOLD
41	10-38837	SCREW, BAFFLE PLATE AND COVER MOUNTING
42	33385A6	SWITCH, MERCURY
43	10-25764	SCREW, MERCURY SWITCH TO FRONT SUPPORT BRACKET (1/2")
44	17-30496	PIN, ROLL-MERCURY SWITCH
45	10-8M0113176	SCREW, MERCURY SWITCH LEADS (3/8")
46	54-648552	CLIP, MERCURY SWITCH LEAD TO CRANKCASE
47	10-41228	SCREW, MERCURY SWITCH LEAD CLIP TO CRANKCASE (1/2")
48	8M0084613	"D" WASHER, MERCURY SWITCH LEAD CLIP SCREW
49	11-24656	NUT, MERCURY SWITCH LEAD FASTENING SCREW
50	27-33015	GASKET, CYLINDER BLOCK COVER
51	1012-2445	COVER, CYLINDER BLOCK
52	10-56500	SCREW, CYLINDER BLOCK COVER MOUNTING (1-1/4")
53	11-8M0207775	NUT, COVER MOUTNING SCREW
54	27-31304	GASKET, TRANSFER PORT COVER
55	31288	COVER, TRANSFER PORT
56	10-20540	SCREW, TRANSFER PORT COVER TO CYLINDER BLOCK (5/8")
57	37440	BRACKET, MOUNT SUPPORT-CYLINDER BLOCK
58	10-35386	SCREW, BRACKET TO CYLINDER BLOCK (1")
59	22-62365A1	CHECK VALVE ASSEMBLY, UPPER-BLEED HOSE
60	21-28481A1	CHECK VALVE ASSEMBLY
61	32-9912688	HOSE, CYLINDER BLEED-UPPER (9-1/2")
62	22-67902	CONNECTOR, UPPER-BLEED HOSE
63	54-20387	CLAMP, BLEED HOSE TO CHECK VALVE AND CONNECTOR

▶DISTRIBUTOR ADAPTOR AND PILOT ASSEMBLY (32 parts)

Ref	OEM Part #	Part Name
1	45-47953	SHAFT, DRIVE - DISTRIBUTOR
2	46242A1	DISTRIBUTOR PILOT ASSEMBLY
3	24-27944	SPRING, HORSESHOE - DISTRIBUTOR PILOT
4	17-27962	PIN, ANCHOR - HORSESHOE SPRING TO PILOT
6	30-20066	BEARING, BALL - DISTRIBUTOR PILOT
7	10-455611	SCREW, PILOT ASSEMBLY TO DISTRIBUTOR (1-1/8")
8	48103A1	ECONOMIZER COLLAR AND PIN ASSEMBLY
9	17-27961	PIN, ECONOMIZER COLLAR - SPRING RETAINER
10	22-25094	FITTING, GREASE - ECONOMIZER COLLAR
11	48306	PLATE, THROTTLE ACTUATOR
12	10-46420	SCREW, THROTTLE ACTUATOR TO ECONOMIZER COLLAR (1/2")
13	10-23702	SCREW, ADJUSTING 0 THROTTLE ACTUATOR (1-1/8")
14	11-68219	NUT, THROTTLE ACTUATOR ADJUSTING SCREW
15	48039	CAP, THROTTLE ACTUATOR ADJUSTING SCREW
16	12-46246	WASHER, PILOT TO DISTRIBUTOR ADAPTOR
17	66856A1	ADAPTOR, DISTRIBUTOR
18	22-25094	FITING, GREASE - DISTRIBUTOR ADAPTOR
19	10-78841	SCREW, DISTRIBUTOR ADAPTOR AND PILOT TO CRANKCASE
20	12-20084	WASHER, DISTRIBUTOR ADAPTOR AND PILOT SCREW
21	11-22053	NUT, DISTRIBUTOR ADAPTOR AND PILOT SCREW
22	12-27939	WASHER, DISTRIBUTOR PILOT
23	14-27960	TAB WASHER, ADAPTOR CAP FASTENING
24	13-27959	WASHER, WAVE - DISTRIBUTOR BALL BEARING TENSION
25	27955	CAP, DISTRIBUTING ADAPTOR AND PILOT FASTENING
26	23-29909	SPACER, DRIVE PULLEY
27	29906A1	DRIVEN PULLEY ASSEMBLY
28	17-29908	PIN, ROLL - FLANGE LOCATING
29	29907	FLANGE, DRIVEN PULLEY
30	28-29910	KEY, DISTRIBUTOR DRIVER
31	13-26996	LOCKWASHER, PULLEY CLAMPING SCREW
32	10-41506	SCREW, PULLEY CLAMPING
33	20140	BELT, TIMING

▶DISTRIBUTOR ASSEMBLY, COMPLETE (31 parts)

Ref	OEM Part #	Part Name
--	8M0084600	CONNECTOR, SPARK PLUG LEAD
1	393-2799A21	HOUSING ASSEMBLY, PRIMARY
2	13-26917	WASHER, WAVE - PRIMARY HOUSING
3	393-2795	SHIM, TRIGGER HOUSING TO PRIMARY HOUSING
4	393-2918A6	TRIGGER HOUSING ASSEMBLY
5	53-45906	RING, RETAINER - ROTOR SHAFT BALL BEARING
6	30-26379	BEARING, BALL - ROTOR SHAFT
7	393-3269A3	ROTOR SHAFT ASSEMBLY
8	393-3014A2	ADAPTOR ASSEMBLY, HOUSING TO DISTRIBUTOR CAP
9	17-20032	DOWEL PIN, ADAPTOR TO PRIMARY HOUSING
10	27-46351	GASKET, ADAPTOR TO PRIMARY HOUSING
11	10-32627	SCREW, ADAPTOR TO HOUSING
12	11-46438	NUT, ADAPTOR TO HOUSING SCREW
13	10-45218	SCREW, SHIM/TRIGGER HOUSING TO PRIMARY HOUSING (3/8")
14	22-31521A1	ELBOW ASSEMBLY, VENT HOSE - ADAPTOR HOUSING
15	27-36268	GASKET, DISTRIBUTOR CAP TO ADAPTOR
16	393-2955A2	DISTRIBUTOR CAP ASSEMBLY
17	22-31521	ELBOW, VENT HOSE - DISTRIBUTOR CAP
18	393-1293A1	BRUSH AND SPRING ASSEMBLY
19	10-60464	SCREW, DISTRIBUTOR CAP TO ADAPTOR TO HOUSING (2")
20	12-89302	WASHER, DISTRIBUTOR CAP FASTENING SCREW
21	11-46438	NUT, DISTRIBUTOR CAP FASTENING SCREW
22	84-821945A4	HIGH TENSION CABLE ASSEMBLY, DISTRIBUTOR TO COIL
23	332-2854T01	BOOT, HIGH TENSION CABLE TO COIL
24	85-94589	SLEEVE, SPARK PLUG LEAD TO DISTRIBUTOR
25	25-26547	GROMMET, HIGH TENSION CABLE
26	32-46398	SLEEVE, HIGH TENSION CABLE
27	84-813715A1	SPARK PLUG LEAD ASSEMBLY #1, #2, #3 AND #4 Comment: ORDER A-36549A1 KIT FOR REPLACEMENT OF LEAD WIRE MARKERS
28	85-63709A1	PROTECTOR, SPARK PLUG LEAD
29	32-46768	SLEEVE (LEADS 1, 2, 3, 4) - 6"
30	32-46768	SLEEVE, HIGH TENSION LEAD (LEADS 1, 2, 3, 4)

▶DRIVE SHAFT HOUSING ASSEMBLY (51 parts)

Ref	OEM Part #	Part Name
1	1551-3918A3	DRIVE SHAFT HOUSING ASSEMBLY (LONG SHAFT)
2	16-56295	STUD, DRIVE SHAFT HOUSING TO GEAR HOUSING (2-11/16")
3	19-47579	PLUG, PLASTIC -TRIM TAB SCREW HOLE
4	10-48409	CREW, RETAINING STRIP TO DRIVE SHAFT HOUSING (5/8")
5	10-48408	SCREW, RETAINING STRIP TO DRIVE SHAFT HOUSING (1/2")
6	37417	COVER, TRIM-DRIVE SHAFT HOUSING
7	10-37571	SCREW, TRIM COVER TO BOTTOM COWL (1/2")
8	37919	SEAL, TRIM COVER TO DRIVE SHAFT HOUSING
9	37665	STRIP, RETAINING-TRIM COVER SEAL (SIDE)
10	38052	STRIP, RETAINING-TRIM COVER SEAL (REAR)
11	32-37438	TUBE, WATER INLET (LONG SHAFT)
12	23-29591	SLEEVE, RUBBER-WATER INLET TUBE
13	38470	TUBE, EXHAUST (LONG SHAFT)
14	10-38601	SCREW, EXHAUST TUBE TO EXHAUST EXTENSION PLATE (5/8")
15	11-35888	NUT, EXHAUST TUBE SCREW
16	11-23161	NUT, POWERHEAD STUDS
17	11-8M0204726	NUT, POWERHEAD STUDS
18	12-20086	WASHER, POWERHEAD STUDS
19	27-38471	GASKET, EXHAUST EXTENSION PLATE TO DRIVE SHAFT HOUSING
20	52887	GUIDE, PUSH ROD-REVERSE LOCKING
21	47558	ROD, PUSH-REVERSE LOCK (LONG SHAFT)
22	11-69254	NUT, JAM-PUSH ROD
23	47559	YOKE, PUSH ROD
24	24-78203A2	PIN, PUSH ROD TO REVERSE LOCK
25	18-25191	COTTER PIN, PUSH ROD PIN
26	37396	MOUNT, RUBBER-UPPER
27	26218	COVER, UPPER MOUNT-OUTSIDE HALF
28	26217	COVER, UPPER MOUNT-INSIDE HALF
29	24929	PACKING, "U" CUP
30	10-20012	SCREW, UPPER MOUNT COVER (1-5/8")
31	10-28775	SCREW, UPPER MOUNT COVER (2-1/8")
32	12-8M0204649	WASHER, UPPER MOUNT COVER SCREW
33	11-35888	NUT, UPPER MOUNT COVER SCREW
34	12-30515	WASHER, UPPER MOUNT BOLT
35	12-47894	WASHER, RUBBER-UPPER MOUNT BOLT
36	12-30514	WASHER, UPPER MOUNT BOLT
37	11-8M0204653	NUT, UPPER MOUNT BOLT
38	37397	MOUNT, RUBBER-LOWER
39	10-75284	SCREW, UPPER MOUNT (5-1/2")
40	11-25096	NUT, MOUNT SCREW
41	25067	BUMPER, RUBBER-MOUNTING SCREW
42	11-8M0204653	NUT, GEAR HOUSING AND DRIVE SHAFT HOUSING STUDS
43	12-45176	WASHER, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS
44	11-29489	NUT, GEAR HOUSING AND DRIVE SHAFT HOUSING STUDS
45	12-45176	WASHER, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS
46	35608	CLAMP, LOWER MOUNT TO DRIVE SHAFT HOUSING
47	24-35522	SPRING, TENSION-LOWER MOUNT CLAMP
48	10-29256	SCREW, LOWER MOUNT CLAMP TO DRIVE SHAFT HOUSING (7/8")
49	35474T	COVER, LOWER MOUNT CLAMP
50	11-35521	NUT, MOUNT CLAMP COVER
51	10-29722	SCREW, COVER TO LOWER CLAMP MOUNT

▶FLYWHEEL ASSEMBLY AND STATOR (18 parts)

Ref	OEM Part #	Part Name
1	19-45907	PLUG, FLYWHEEL PULLER THREADS
2	11-8M0214915	NUT, FLYWHEEL
3	12-33001	WASHER, FLYWHEEL NUT
4	28-45554	KEY, FLYWHEEL DRIVE
5	225-2498A9	FLYWHEEL ASSEMBLY, COMPLETE Comment: SERIAL 02446775-09999999
6	10-32417	SCREW, FLEXIBLE PLATE TO FLYWHEEL 11-
7	10-68997	SCREW, PLATE AND HUB TO FLEXIBLE PLATE
8	17-26618	PINE, DOWELL - PULLEY TO FLYWHELL
9	29788	FLANGE, FLYWHEEL PULLEY
10	30306	PULLEY, FLYWHEEL
11	29787	HUB, FLYWHEEL PULLEY
12	398-3687	STATOR, ALTERNATOR
13	30050	TERMINAL, STATOR LEAD WIRE
14	10-57021	SCREW, STATOR TO UPPER END CAP (7/8")
15	54-22740	CLIP, STATOR LEAD TO UPPER END CAP
16	10-41228	SCREW, STATOR LEAD CLIP FASTENING (1/2")
17	8M0084613	"D" WASHER, CLIP FASTENING SCREW
18	54-46409	CLIP, STATOR LEAD CLIP TO TOP MOUNT

▶FUEL PUMP AND FUEL LINE ASSEMBLY (31 parts)

Ref	OEM Part #	Part Name
1	56677A6	FUEL PUMP ASSEMBLY-UPPER
2	21-30430A1	CHECK VALVE ASSEMBLY
3	23014A1	DIAPHRAGM KIT
7	23004	RETAINER, CHECK VALVE
8	10-43725	SCREW, RETAINER TO HOUSING
9	30461A2	FUEL PUMP ASSEMBLY-LOWER
10	30275	COVER, FUEL PUMP
11	10-73013	SCREW, PUMP MOUNTING (1-1/2")-UPPER PUMP
12	10-30273	SCREW, PUMP MOUNTING (1-7/8")-UPPER PUMP
13	10-73013	SCREW, PUMP MOUNTING (1-1/2")-LOWER PUMP
14	10-30273	SCREW, PUMP MOUNTING (1-7/8")-LOWER PUMP
15	32-33154A1	FUEL LINE ASS'Y, PUMP TO CARBURETOR (13-1/2")
16	22-8M0123050	ELBOW (45), UPPER CARBURETOR
17	22-30174	ELBOW, UPPER FUEL PUMP OUTLET
18	22-30175	SLEEVE, FUEL PUMP OUTLET ELBOW
19	22-30177	NUT, FUEL PUMP OUTLET ELBOW
20	32-31552A1	FUEL LINE ASS'Y, PUMP TO PUMP (12-3/8")
21	32-31553A1	FUEL LINE ASS'Y, PUMP TO CARBURETOR (19-3/4")
22	32-30176	FUEL LINE, ADAPTOR TO LOWER FUEL PUMP INLET (18")
23	22-30174	ELBOW, LOWER FUEL PUMP INLET
24	22-30175	SLEEVE, FUEL PUMP INLET ELBOW
25	22-30177	NUT, FUEL PUMP INLET ELBOW
26	22-37682	ELBOW, FUEL LINE TO ADAPTOR
27	30186	ADAPTOR, CHECK UNIT (FUEL LINE)
28	30187	STEM, CHECK UNIT ADAPTOR
29	25-16524	"O" RING, ADAPTOR STEM
30	24-30189	SPRING, ADAPTOR STEM
31	30188	CUP WASHER, ADAPTOR
32	10-69029	SCREW, ADAPTOR TO BOTTOM COWL (1-3/4")
33	11-8M0207775	NUT, ADAPTOR FASTENING SCREW
34	32-31550A1	FUEL LINE ASS'Y, UPPER TO LOWER CARBURETOR (6")

▶GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 1) (55 parts)

Ref	OEM Part #	Part Name
-	1623-3912A9	GEAR HOUSING ASSEMBLY, COMPLETE (LONG SHAFT) Comment: SEE NOTE BELOW
1	1623-5244A14	GEAR HOUSING ASSEMBLY
2	16-57921	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (4")
3	16-8M0133358	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (2-1/16")
4	16-8M0034463	STUD, WATER PUMP BASE AND BODY TO GEAR HOUSING (3-3/8")
5	16-57919	STUD, WATER PUMP BASE AND BODY TO GEAR HOUSING (3-5/16")
6	31-32898T	BEARING, ROLLER-DRIVE SHAFT
7	45-47434	DRIVE SHAFT (LONG SHAFT)
8	43-49751	GEAR, PINION-DRIVE SHAFT
9	11-35921	NUT, PINION GEAR TO DRIVE SHAFT
10	15-30278A1	SHIM, WATER PUMP BASE TO GEAR HOUSING (.002-3-5-10)
11	30-63326T	BEARING, BALL-DRIVE SHAFT
12	53-30726	RING, RETAINING-BALL BEARING
13	27-32438	GASKET, WATER PUMP BASE TO GEAR HOUSING
14	25-8M0204651	"O" RING, WATER PUMP BASE
15	46-48747A1	WATER PUMP BASE ASSEMBLY (PLASTIC)
16	26-94038	OIL SEAL, WATER PUMP BASE
17	26-16977	OIL SEAL, WATER PUMP BASE
18	17-35973	DOWEL PIN, WATER PUMP BASE TO WATER PUMP BODY
19	27-8M0090319	GASKET, LOWER-WATER PUMP BASE TO FACE PLATE
20	8M0204677	PLATE, FACE-WATER PUMP BASE TO WATER PUMP BODY
21	27-858524	GASKET, UPPER-FACE PLATE TO WATER PUMP BODY
22	46-96148T1	WATER PUMP BODY ASSEMBLY (PLASTIC)
23	48752T	INSERT, WATER PUMP BODY (PLASTIC)
24	26-16977	OIL SEAL, WATER PUMP BODY
25	26-38970	SEAL, RUBBER-WATER INLET TUBE
26	47-89984T4	IMPELLER, WATER PUMP
27	17-8M0214994	PIN, IMPELLER DRIVE
28	10-30720	SCREW, WATER PUMP BODY TO GEAR HOUSING (2-1/4")
29	13-26992	LOCKWASHER, WATER PUMP BODY SCREW
30	12-8M0204649	WASHER, WATER PUMP BODY FASTENING SCREW AND STUD
31	11-826709109	NUT, WATER PUMP BODY FASTENING STUD
32	12-36001	WASHER, WATER PUMP BODY FASTENING STUD
33	11-826709111	NUT, WATER PUMP BODY FASTENING STUD
34	25-8M0214918	RING, RUBBER-CENTRIFUGAL SLINGER (DRIVE SHAFT)
35	23-29804T	SLEEVE, GUIDE-WATER INLET TUBE
36	25-8M0214919	"O" RING, UPPER-DRIVE SHAFT
37	37641001	SEAL, EXHAUST TUBE
38	38051	PLATE, SUPPORT-EXHAUST TUBE SEAL
39	76062A1	SHAFT, SHIFT-LOWER
40	53-29641	CLIP, RETAINING-SHIFT SHAFT
41	25-25439	"O" RING, SHIFT SHAFT BUSHING
42	23-77631A2	BUSHING ASSEMBLY, SHIFT SHAFT
43	26-892361	OIL SEAL, SHIFT SHAFT BUSHING (UPPER)
44	12-31266	WASHER, RUBBER-SHIFT SHAFT BUSHING
45	78036	SPACER, LOWER-REVERSE LOCKING
46	43308T1	CAM, REVERSE LOCKING
47	22-390721	PLUG, PIPE-SHIFT SHAFT GREASE FILLER HOLE
48	10-79953Q04	SCREW, GREASE FILLER AND VENT HOLE
49	12-191833	WASHER, GREASE FILLER AND VENT HOLE SCREW
50	10-29608	SCREW, GEAR HOUSING FLUSHING HOLE (ALUMINUM)
51	27-8M0214916	GASKET, GEAR HOUSING FLUSHING HOLE SCREW (ALUMINUM)
52	26-8M0214917	SEAL, GEAR HOUSING FLUSHING HOLE (ALUMINUM)
53	19-48750	PLUG, GEAR HOUSING FLUSHING HOLE (PLASTIC)
54	12-8M0204663	WASHER, GEAR HOUSING FLUSHING HOLE PLUG (PLASTIC)

▶GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 2) (36 parts)

Ref	OEM Part #	Part Name
-	1623-3912A9	GEAR HOUSING ASSEMBLY, COMPLETE (LONG SHAFT) Comment: SEE NOTE BELOW
1	1623-5244A14	GEAR HOUSING ASSEMBLY
55	760394	CAM, SHIFT Comment: SERIAL 02712073-09999999
56	30625	FOLLOWER, CAM
57	32-20634	SLIDE, CROSS PIN
58	24-30622	SPRING, COMPRESSION-CAM FOLLOWER
59	15-30923A1	SHIM, BEARING OUTER RACE TO GEAR HOUSING (.002-3-5-10)
60	31-30894A1	TAPERED ROLLER BEARING ASSEMBLY
61	31-30895T	BEARING, ROLLER-FORWARD GEAR
62	43-53100A3	FORWARD GEAR ASSEMBLY
63	52-822539T	RATCHET, SLIDING CLUTCH
64	17-8M0100263	PIN, CROSS-RATCHET TO PROPELLER SHAFT
65	24-30893	SPRING, RETAINING-CROSS PIN
66	44-93003	SHAFT, PROPELLER
67	43-31887	REVERSE GEAR ASSEMBLY
68	15-29955A1	SHIM, THRUST WASHER TO GEAR HOUSING (.002-3-5-10)
69	12-71143A1	WASHER, THRUST-BEARING CARRIER TO GEAR HOUSING
70	30-31265	BEARING, BALL-REVERSE GEAR
71	25-29976	"O" RING, BEARING CARRIER
72	52132T1	BEARING CARRIER ASSEMBLY
73	31-30956T	BEARING, ROLLER-BEARING CARRIER
74	26-8M0204670	OIL SEAL, BEARING CARRIER
75	28-30281	KEY, LOCATING-BEARING CARRIER
76	14-52700	TAB WASHER, GEAR HOUSING COVER
77	52699	COVER, GEAR HOUSING
78	97-31640Q4	TRIM TAB ASSEMBLY, GEAR HOUSING
79	10-32470	SCREW, TRIM TAB TO GEAR HOUSING (1-3/4")
80	12-45176	WASHER, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS
81	11-8M0204653	NUT, GEAR HOUSING TO DRIVE SHAFT HOUSING STUDS
82	10-34353	SCREW, GEAR HOUSING TO DRIVE SHAFT HOUSING (1")
83	12-31013	WASHER, THRUST-BEARING CARRIER
84	65091Q01	THRUST HUB AND WASHER ASSEMBLY Comment: PART OF A-1623-3486A8 AND A9 GEAR HOUSING ASSEMBLIES COMPLETE
85	12-29590	WASHER, CUPPED-THRUST HUB Comment: PART OF A-1623-3486A8 AND A9 GEAR HOUSING ASSEMBLIES COMPLETE
86	12-31211Q03	WASHER, SPLINED-PROPELLER NUT
87	14-816629Q	TAB WASHER, PROPELLER NUT
88	11-52707Q1	NUT, PROPELLER

▶IGNITION DRIVER ADAPTOR AND PILOT ASSEMBLY (33 parts)

Ref	OEM Part #	Part Name
1	45-33007	SHAFT, DRIVE - IGNITION DRIVER
2	47885A1	IGNITION DRIVER PILOT ASSEMBLY
3	24-27944	SPRING, HORSESHOE - IGNITION DRIVER PILOT
4	17-27962	PIN, ANCHOR - HORSESHOE SPRING TO PILOT
5	33020	STOP, SPARK ADVANCE - IGNITION DRIVER PILOT
6	30-20066	BEARING, BALL - IGNITION DRIVER PILOT
7	10-96138	SCREW, PILOT ASSEMBLY TO IGNITION DRIVER (5/8")
8	48103A1	ECONOMIZER COLLAR AND PIN ASSEMBLY
9	17-27961	PIN, ECONOMIZER COLLAR - SPRING RETAINER
10	22-25094	FITTING, GREASE - ECONOMIZER COLLAR
11	48306	PLATE, THROTTLE ACTUATOR
12	10-46420	SCREW, THROTTLE ACTUATOR TO ECONOMIZER (1/2")
13	10-23702	SCREW, ADJUSTING - THROTTLE ACTUATOR (1-1/8")
14	11-68219	NUT, THROTTLE ACTUATOR ADJUSTING SCREW
15	48039	CAP, THROTTLE ACTUATOR ADJUSTING SCREW
16	12-46246	WASHER, IGNITION DRIVER PILOT TO ADAPTOR
17	30408	ADAPTOR, IGNITION DRIVER
18	22-25094	FITTING, GREASE - IGNITION DRIVER
19	10-78841	SCREW, IGNITION DRIVER ADAPTOR AND PILOT TO CRANKCASE
20	12-20084	WASHER, IGNITION DRIVER ADAPTOR AND PILOT SCREW
21	11-22053	NUT, IGNITION DRIVER ADAPTOR AND PILOT SCREW
22	12-27939	WASHER, IGNITION DRIVER PILOT
23	14-27960	TAB WASHER, ADAPTOR CAP FASTENING
24	13-27959	WASHER, WAVE-IGNITION DRIVER BALL BEARING TENSION
25	27955	CAP, IGNITION DRIVER ADAPTOR AND PILOT FASTENING
26	23-29909	SPACER, DRIVE PULLEY
27	29906A1	DRIVEN PULLEY ASSEMBLY
28	17-29908	PIN, ROLL - FLANGE LOCATING
29	29907	FLANGE, DRIVEN PULLEY
30	28-29910	KEY, IGNITION DRIVER
31	12-38832	WASHER, PULLEY CLAMPING SCREW
32	10-64652	SCREW, PULLEY CLAMPING (5/8")
33	20140	BELT, TIMING

▶IGNITION DRIVER AND DISTRIBUTOR VERTICAL LINKAGE AND EXTERNA (36 parts)

Ref	OEM Part #	Part Name
--	8M0084613	"D" WASHER, CLAMP FASTENING SCREW
1	46251	PLATE, THROTTLE STOP
2	23-48456	SPACER, THROTTLE PLATE TO ADAPTOR Comment: SERIAL )2446775-09999999
3	10-29282	SCREW, THROTTLE STOP PLATE TO ADAPTOR (3/4")
4	37747	GROUND STRAP, STOP BRACKET TO FRONT SUPPORT BRACKET
5	10-21504	SCREW, ADJUSTING - THROTTLE STOP (1-1/4")
6	25-46252	GROMMET, THROTTLE STOP ADJUSTING SCREW (NOT AS SHOWN)
7	26852	CAP, NYLON - ADJUSTING SCREW
8	333-4674A3	IGNITION DRIVER ASSY, COMPLETE (SEE PG. 10 FOR BREAKDOWN) Comment: SERIAL )2446775-09999999
8A	393-2799A19	DISTRIBUTOR ASSY, COMPLETE (SEE PG. 11 FOR BREAKDOWN)
9	30109	GROUND ASSEMBLY, DISTRIBUTOR TO CRANKCASE
10	33-896329827	SPARK PLUG (CHAMPION - L19V)
11	63319	RETAINER, HIGH TENSION LEADS
12	10-46378	SCREW, HIGH TENSION LEAD RETAINER (1")
13	11-20013	NUT, HIGH TENSION LEAD RETAINER SCREW
14	32-8M0108355	HOSE, VENT - DISTRIBUTOR AND IGNITION DRIVER TO ELBOW (11")
15	32-8M0108355	HOSE, VENT - DISTRIBUTOR AND IGNITION DRIVER TO ELBOW (15")
16	54-22875	CLAMP, VENT HOSE TO FRONT SUPPORT BRACKET
17	10-29072	SCREW, VENT HOSE CLAMP
18	11-24656	NUT, CLAMP FASTENING SCREW
19	22-31521	ELBOW, VENT HOSE TO BOTTOM COWL
20	27947	SWIVEL, LINKAGE - ECONOMIZER COLLAR
21	25996A1	SWIVEL AND LINK ROD ASSEMBLY
22	11-25168	NUT, UPPER LINK ROD ADJUSTING
23	37588	ROD, LINK - UPPER
24	27948	SWIVEL, UPPER LINK ROD TO THROTTLE CONTROL LEVER
25	48562	LEVER, THROTTLE CONTROL
26	12-8M0204649	WASHER, THROTTLE CONTROL LEVER SWIVEL
27	13-25806	WASHER, WAVE - THROTTLE CONTROL LEVER SWIVEL
28	11-8267089	NUT, UPPER UPPER LINK ROD TO THROTTLE CONTROL LEVER
29	10-31830	SCREW, THROTTLE LEVER TO EXHAUST COVER (1-3/4")
30	12-8M0042641	WASHER, THROTTLE CONTROL LEVER SCREW
31	23-45818	BUSHING, THROTTLE CONTROL LEVER SCREW
32	11-8M0204726	NUT, THROTTLE CONTROL LEVER SCREW
33	37587	SWIVEL, LOWER - THROTTLE CTRL LEVER TO THROTTLE CABLE
34	11-8267089	NUT, THROTTLE CABLE TO LOWER SWIVEL

▶IGNITION DRIVER ASSEMBLY, COMPLETE (36 parts)

Ref	OEM Part #	Part Name
--	85-94589	SLEEVE, SPARK PLUG LEAD TO IGNITION DRIVER
1	333-4674A3	HOUSING, IGNITION DRIVER
2	10-47183	SCREW, SET - COIL ASSEMBLY FASTENING
3	333-3172A1	TERMINAL BOARD ASSEMBLY, IGNITION DRIVER
4	10-47182	SCREW, TERMINAL BOARD ASSEMBLY FASTENING (1/2")
5	333-3175	COIL ASSEMBLY, IGNITION DRIVER (RED)
6	333-3176	COIL ASSEMBLY, IGNITION DRIVER (BLUE)
7	333-3173	HARNESS, PRIMARY CABLE - IGNITION DRIVER
8	54-47188	CLAMP, PRIMARY HARNESS CABLE - IGNITION DRIVER
9	10-28259	SCREW, PRIMARY HARNESS CABLE CLAMP FASTENING (5/8")
10	30-24998	BEARING, BALL - DRIVER END (1-3/8" O.D.)
11	333-4674A3	SHAFT ASSEMBLY, IGNITION DRIVER
12	30-49090	BEARING, BALL - IGNITION DRIVER END (1-1/4" O.D.)
13	333-3166	CAP, BEARING - IGNITION DRIVER HOUSING
14	10-37656	SCREW, BEARING CAP FASTENING (9/16")
15	333-3143	ROTOR ASSEMBLY, IGNITION DRIVER
16	54-47187	CLIP, SPRING - IGNITION DRIVER ROTOR
17	27-61031	GASKET, IGNITION DRIVER COVER
18	333-4639A1	COVER, IGNITION DRIVER
19	10-20189	SCREW, IGNITION DRIVER COVER FASTENING (3/4")
20	14-29157	TAB WASHER, IGNITION DRIVER COVER FASTENING
21	22-31521	ELBOW, VENT - IGNITION DRIVER COVER
22	333-3142A3	CAP ASSEMBLY, IGNITION DRIVER
23	333-3165A1	BRUSH AND SPRING ASSEMBLY
24	27-47190	GASKET, IGNITION DRIVER CAP
25	394-1134A2	GROUND STRAP ASSEMBLY
26	10-73013	SCREW, IGNITION DRIVER CAP FASTENING (1-1/2")
27	14-29157	TAB WASHER, IGNITION DRIVER CAP FASTENING SCREW
28	84-821945A8	LEAD ASSEMBLY, HIGH TENSION - IGNITION DRIVER TO COIL
29	25-26547	GROMMET, COIL WIRE BRACKET
30	332-2854T01	BOOT, HIGH TENSION LEAD CABLE
31	84-813715A1	SPARK PLUG LEAD ASSEMBLY (27-1/2") Comment: ORDER A-36549A1 KIT FOR REPLACEMENT OF LEAD WIRE MARKERS
32	32-46768	SLEEVE, SPARK PLUG LEAD (6")
33	32-46768	SLEEVE, SPARK PLUG LEAD (1-1/2")
34	85-63709A1	PROTECTOR ASSEMBLY, SPARK PLUG LEADS
35	32-46398	SLEEVE, HIGH TENSION CABLE (3/4")

▶MISCELLANEOUS PARTS/ACCESSORIES (1 parts)

Ref	OEM Part #	Part Name
-	52552A3	TACHOMETER MODULE ASSEMBLY (MERC 650S-5)

▶STARTER MOTOR, STARTER SOLENOID, RECTIFIER AND WIRING HARNES (70 parts)

Ref	OEM Part #	Part Name
1	333-3213A3	SWITCH BOX ASSEMBLY, COMLETE Comment: SERIAL )2446775-09999999
1A	332-2986A27	SWITCH BOX ASSEMBLY, COMPLETE
2	12-45075	WASHER, SWITCH BOX TERMINAL
3	11-45076	NUT, SWITCH BOX TERMINAL
4	10-64279	SCREW, SWITCH BOX TO FRONT SUPPORT BRACKET (3/4") Comment: SERIAL )2446775-09999999
4A	10-22485	SCREW, SWITCH BOX TO FRONT SUPPORT BRACKET (3/4")
5	11-8M0207775	NUT, SWITCH BOX TO FRONT SUPPORT BRACKET SCREW
6	78614A1	RECTIFIER ASSEMBLY, COMPLETE Comment: SERIAL 00000000-02446774
7	12-45075	WASHER, RECTIFIER TERMINAL Comment: SERIAL 00000000-02446774
8	11-45076	NUT, RECTIFIER TERMINAL Comment: SERIAL 00000000-02446774
10	10-22485	NUT, RECTIFIER TO FRONT SUPPORT BRACKET SCREW Comment: SERIAL 00000000-02446774
11	8M0058226	RECTIFIER Comment: SERIAL 02446775-09999999
12	13-8M0204647	LOCKWASHER, RECTIFIER TO RECTIFIER MOUNTING BRACKET Comment: SERIAL 02446775-09999999
13	11-20922	NUT, RECTIFIER TO RECTIFIER MOUNTING BRACKET Comment: SERIAL 02446775-09999999
14	10-35400	SCREW, RECTIFIER TERMINALS Comment: SERIAL 02446775-09999999
15	11-8M0204718	NUT, RECTIFIER TERMINALS Comment: SERIAL 02446775-09999999
16	32-28373	SLEEVE, RECTIFIER TERMINALS Comment: SERIAL 02446775-09999999
17	53145	BRACKET, RECTIFIER MOUNTING (NOT AS SHOWN)
18	10-72169	SCREW, RECTIFIER MOUNTING BRACKET TO COIL BRACKET (1/2")
19	11-24656	NUT, RECTIFIER MOUNTING BRACKET SCREW Comment: SERIAL 02446775-09999999
20	10-98256	SCREW, RECTIFIER MOUNTING BRACKET TO COIL BRACKET (1/2") Comment: SERIAL 02446775-09999999
21	13-24669	LOCKWASHER, RECTIFIER MOUNTINGF BRACKET SCREW Comment: SERIAL 02446775-09999999
22	59757	BRACKET, RETAINER - HIGH TENSION LEAD
23	10-22956	SCREW, RETAINER BRACKET TO FRONT SUPPORT BRACKET (7/8")
24	11-8M0207775	NUT, RETAINER BRACKET SCREW
25	50-45822A1	STARTER MOTOR ASSEMBLY
26	13-26992	LOCKWASHER, STARTER MOTOR TERMINAL
27	11-20890	NUT, STARTER MOTOR TERMINAL
28	10-22698	SCREW, STARTER MOTOR TO CRANKCASE FLANGE (1-3/4")
29	13-8M0204647	LOCKWASHER, STARTER MOTOR SCREW
30	37331	PLATE, SPACER - STARTER MOTOR TO BRACKET
31	38747	BRACKET, SUPPORT - STARTER MOTOR
32	13-24669	LOCKWASHER, THRU BOLT - BRACKET TO STARTER MOTOR
33	11-20088	NUT, THRU BOLT - BRACKET TO STARTER MOTOR
34	26511	WIRE, STARTER MOTOR TO TO MOUNT Comment: SERIAL 02446775-09999999
35	10-69035	SCREW, GROUND WIRE TO STARTER MOTOR
36	13-26992	LOCKWASHER, GROUND WIRE FASTENING SCREW
37	46715	GROUND STRAP ASSEMBLY
38	25661T1	STARTER SOLENOID Comment: SERIAL 02446775-09999999
39	10-69028	SCREW, STARTER SOLENOID TO COIL BRACKET Comment: SERIAL 02446775-09999999
40	13-26992	LOCKWASHER, STARTER SOLENOID MOUNTING SCREW Comment: SERIAL 02446775-09999999
41	13-8M0204647	LOCKWASHER, SOLENOID TERMINAL (5/16")
42	11-22053	NUT, SOLENOID TERMINAL - INSIDE (5/16")
43	10,13-26996	LOCKWASHER, SOLENOID TERMINAL
44	10,11-68219	NUT, SOLENOID TERMINAL
45	52820	WIRING HARNESS (INTERNAL)
46	26079A2	PLATE, BACKING - WIRING HARNESS
47	10-45893	SCREW, BACKING PLATE TO BOTTOM COWL (7/8")
48	54-76368	CLAMP, WIRE HARNESS TO BOTTM COWL
51	12-847883	WASHER, WIRING HARNESS CLAMP SCREW
52	24-28975	SPRING, GARTER -INTERNAL WIRING HARNESS
53	10-98256	SCREW, WIRING HARNESS LEAD TO BOTTOM COWL (1/2")
54	13-25244	LOCKWASHER, WIRING HARNESS LEAD SCREW
55	54-26550	CLIP, WIRING HARNESS LEAD Comment: SERIAL )2446775-09999999
56	10-69079	SCREW, WIRING HARNESS LEAD CLIP ATTACHING (7/16")
57	8M0084613	"D" WASHER, WIRING HARNESS LEAD CLIP ATTACHING SCREW Comment: SERIAL )2446775-09999999
58	11-24656	NUT, WIRING HARNESS LEAD CLIP ATTACHING SCREW Comment: SERIAL )2446775-09999999
59	332-4895A5	IGNITION COIL ASSEMBLY, COMPLETE Comment: SERIAL 02446775-09999999
60	10-46368	SCREW, IGNITION COIL CLAMPING - CLIP ATTACHING (2-1/2")
61	11-68219	NUT, IGNITION COIL CLAMPING SCREW
62	12-8M0204666	WASHER, IGNITION COIL CLAMPING SCREW
63	54-22740	CLIP, LEAD WIRE TO IGNITION COIL
64	8M0084613	"D" WASHER, IGNITION COIL CLAMPING SCREW
65	11-8267086	NUT, IGNITION COIL CLAMPING SCREW
66	10-69026	SCREW, IGNITION COIL TO BOTTOM COWL (7/8")
67	13-26992	LOCKWASHER, IGNITION COIL SCREW
68	10-37561	SCREW, IGNITION COIL TO BOTTOM COWL
69	11-8M0207775	NUT, IGNITION COIL SCREW
70	10-45218	SCREW, IGNITION COIL WIRE TO SWITCH BOX (3/8")
71	269011	BUMPER, IGNITION COIL

▶TOP COWL AND SUPPORT BRACKETS (54 parts)

Ref	OEM Part #	Part Name
1	2114-3806	COWL, TOP
2	52733A9	RETAINER ASSEMBLY, TOP COWL Comment: SERIAL 02446775-09999999
3	35496	PAD, BUMPER - TOP COWL RETAINER
4	37-61018A1	EMBLEM, TOP COWL RETAINER
5	10-74824	SCREW, RETAINER TO TOP COWL (1 1/4")
6	13-37371	LOCKWASHER, RETAINER FASTENING SCREW
7	76370	SHIELD, TOP COWL - REAR
8	10-37370	SCREW, SHIELD TO TOP COWL (5/8")
9	13-37371	LOCKWASHER, SHIELD SCREW
10	47341A11	ROPE, STARTER (FOR MANUAL STARTING ONLY)
11	46144	BRACKET, COWL LATCH - TOP COWL FASTENING
12	10-21091	SCREW, COWL LATCH BRACKET TO TOP COWL (1 1/8")
13	12-8M0204649	WASHER, COWL LATCH BRACKET SCREW (1/16/" THICK)
14	12-37998	WASHER, COWL LATCH BRACKET SCREW (1/32" THICK)
15	37412	LEVER, CLAMPING - TOP COWL MOUNTING
16	23-26819	BUSHING, NYLON - CLAMPING LEVER
17	12-38006	WASHER, CLAMPING LEVER
18	23-31293	BUSHING, RUBBER - CLAMPING LEVER
19	11-30428	FASTENER, CLAMPING LEVER
20	17-29077	PIN, ROLL - CLAMPING LEVER
21	52739	HINGE, COWL LATCH - TOP COWL
22	94918F1	LEVER, COWL LATCH HINGE
23	17-58998	PIN, COWL LATCH LEVER TO HINGE
24	52739	SPRING, COWL LATCH HINGE
25	94918F1	HOOK, TOP COWL LATCH - REAR
26	10-22956	SCREW, REAR HOOK TO TOP COWL (7/8")
27	13-26992	LOCKWASHER, REAR HOOK MOUNTING SCREW
28	79897A4	FRAME, TOP COWL SUPPORT
29	37-45201	DECAL, TIMING - TOP COWL FRAME
30	90435	MOUNT, RUBBER - TOP COWL FRAME
31	11-826709109	NUT, RUBBER MOUNT TO TOP COWL FRAME
32	52740	BRACKET, TOP COWL SUPPORT - REAR
33	31014	MOUNT, RUBBER - REAR SUPPORT BRACKET
34	12-69057	WASHER, RUBBER MOUNT STUD
35	13-26992	LOCKWASHER, RUBBER MOUNT TO REAR SUPPORT BRACKET
36	11-20088	NUT, RUBBER MOUNT TO REAR SUPPORT BRACKET
37	10-26065	SCREW, REAR SUPPORT BRACKET TO TOP COWL FRAME (1")
38	11-29250	NUT, REAR SUPPORT BRACKET SCREW
39	10-74824	SCREW, REAR SUPPORT BRACKET TO BOTTOM COWL (1 1/4")
40	13-8M0204647	LOCKWASHER, REAR SUPPORT BRACKET SCREW
41	66521A2	BRACKET, TOP COWL SUPPORT - FRONT
42	37903	FLANGE, RUBBER - FRONT TOP COWL SUPPORT BRACKET
43	32-8M0108355	HOSE, FRONT SUPPORT BRACKET TO BOTTOM COWL (7 1/2")
44	10-78841	SCREW, FRONT SUPPORT BRACKET TO BOTTOM COWL (1 1/2")
45	11-29250	NUT, FRONT SUPPORT BRACKET SCREW
46	54-45806	CLIP, WIRING HARNESS LEAD TO FRONT SUPPORT BRACKET
47	10-29072	SCREW, WIRING HARNESS LEAD CLIP ATTACHING (5/8")
48	8M0084613	"D" WASHER, WIRING HARNESS LEAD CLIP ATTACHING SCREW
49	11-24656	NUT, WIRING HARNESS LEAD CLIP ATTACHING SCREW
50	10-73657	SCREW, FRONT BRACKET TO TOP COWL FRAME (1 1/2")
51	13-8M0204647	LOCKWASHER, FRONT SUPPORT BRACKET SCREW
52	37640	MOUNT, RUBBER - FRONT SUPPORT BRACKET
53	13-8M0204647	LOCKWASHER, RUBBER MOUNT TO FRONT SUPPORT BRACKET
54	11-22053	NUT, RUBBER MOUNT TO FRONT SUPPORT BRACKET

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 650 (4 CYL.) 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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