– JLM Marine Boat Parts Limited

Mercury 50 (3 CYL.) (6428681 THRU 0B122929) Parts & Diagrams

🔎 Mercury 50 (3 CYL.) Reference Library — Exploded parts diagrams (26 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 50 (3 CYL.) is a 4-Stroke, Inline 4-Cylinder, EFI, SOHC outboard motor. Commonly used on jon boats, pontoons, and mid-size utility craft.

Quick Reference Specifications

Specification	Value
Engine Type	4-Stroke, Inline 4-Cylinder, EFI, SOHC
Horsepower	50 HP
Displacement	995 cc
Bore x Stroke	65 mm x 75 mm
Spark Plug (Type & Gap)	NGK IZFR6F-11
Engine Oil Capacity	3.0 L (3.17 quart)
Recommended Engine Oil	SAE 25W-40 Mercury FourStroke Oil
Gear Case Oil Capacity	440 mL (14.9 fl oz)
Idle Speed (in gear)	650 ± 50 RPM (in gear)
Full Throttle RPM Range	5000-6000
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 50 (3 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 50 (3 CYL.).

▶AUTO-BLEND (22 parts)

Ref	OEM Part #	Part Name
-	1301931	AUTO-BLEND
1	16612	TANK KIT, Oil
2	13996	HANDLE KIT
3	36-13986	CAP, OIL TANK
4	16614	HARDWARE KIT
5	19-13979	PLUG KIT, Drain
6	16611	DIAPHRAGM KIT
7	13990	BRACKET
8	13993	BAND
9	13983	BRACKET (LEFT)
10	13984	BRACKET (RIGHT)
11	16613	COVER
12	35-13985	FILTER/SENSOR KIT, Oil
13	13987	HORN KIT
14	84-13988	HARNESS ASSEMBLY
15	88-13989	FUSE (.5 AMP)
16	35-18089	FILTER KIT, Fuel
17	32-13992	VINYL TUBE
18	32-13995	TUBE KIT, Fuel
19	15387A1	STRAINER ASSEMBLY, Oil
20	21-16615	CHECK VALVE KIT
21	27-16616	GASKET KIT

▶CARBURETOR ASSEMBLY (29 parts)

Ref	OEM Part #	Part Name
--	812953	REPAIR PARTS KIT
1	1379-6071A39	CARBURETOR ASSEMBLY Comment: (60)
2	1399-6249	JET, Main (.096), VENT BOWL
3	192711	NEEDLE/SEAT KIT, Inlet
4	NSS	NOT SOLD SEPARATE, GASKET-INLET NEEDLE AND SEAT
5	52106A1	VENTURI, Plastic
6	NSS	NOT SOLD SEPARATE, NOZZLE
7	NSS	NOT SOLD SEPARATE, INLET NEEDLE
8	NSS	NOT SOLD SEPARATE, SPRING-IDLE MIXTURE
9	NSS	NOT SOLD SEPARATE, PIN-FLOAT
10	NSS	NOT SOLD SEPARATE, LEVER-FLOAT
11	19273	FLOAT
12	1395-7835	BOWL, Fuel Comment: (60)
13	NSS	NOT SOLD SEPARATE, GASKET-FUEL BOWL
14	NSS	NOT SOLD SEPARATE, SCREW-FUEL BOWL
15	1395-6199	PLUG, MAIN JET
16	1395-6207	JET, (.072), MAIN Comment: (60)
17	NSS	NOT SOLD SEPARATE, GASKET-MAIN JET PLUG
19	NSS	NOT SOLD SEPARATE, WELCH PLUG (9/16")
20	1395-4807	SHAFT, Throttle
21	1395-7833	VALVE, Throttle Comment: (60)
22	NSS	NOT SOLD SEPARATE, SCREW-VALVE TO THROTTLE SHAFT
23	1395-6204	SEAL, THROTTLE SHAFT
24	1395-6203	WASHER, THROTTLE SHAFT
25	NSS	NOT SOLD SEPARATE, SPRING-THROTTLE RETURN
26	1395-6198	VALVE ASSEMBLY, ENRICHMENT
27	NSS	NOT SOLD SEPARATE, SCREW-ENRICHMENT BRACKET
28	NSS	NOT SOLD SEPARATE, WELCH PLUG (7/16")
29	27-733771	GASKET, CARBURETOR

▶CARBURETOR LINKAGE AND CHOKE SOLENOID (21 parts)

Ref	OEM Part #	Part Name
1	60549A7	SOLENOID ASSEMBLY, Choke
2	10,13-26996	LOCKWASHER, Stainless Steel, CHOKE SOLENOID TERMINAL
3	10-32,11-68219	NUT, Stainless Steel, CHOKE SOLENOID TERMINAL
4	10-78841	SCREW, CHOKE SOLENOID
5	11-29250	NUT, (.312-24), CHOKE SOLENOID SCREWS
6	89008A2	PLUNGER ASSEMBLY, CHOKE SOLENOID
7	76076A1	ROD ASSEMBLY, Choke
8	90242A1	KNOB ASSEMBLY
9	10-77137	SCREW, (.190-16 x .620), WIRE TO CHOKE KNOB
10	25-20116	GROMMET, CHOKE KNOB
12	10-52743	SCREW, (.312-18 x 3.750), CARBURETOR TO CRANKCASE
13	77583	LEVER, THROTTLE
14	10-60293	SCREW, (#5-40 x .500), LEVER TO CARBURETOR
15	60292A1	COUPLING ASSEMBLY
16	28-89694	KEY, THROTTLE SHAFT COUPLING
17	11-92500	PUSH NUT, ROLLER - COUPLING
18	10-60293	SCREW, (#5-40 x .500), ROLLED WASHER TO COUPLING
19	91996A1	PLATE ASSEMBLY, CARBURETOR
20	71090	SEAL, CARBURETOR PLATE
21	10-20367	SCREW, PLATE TO CARBURETOR (7/16")
22	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel, PLATE SCREW

▶CLAMP BRACKET ASSEMBLY (25 parts)

Ref	OEM Part #	Part Name
1	1440-8394A3	CLAMP BRACKET ASSEMBLY Comment: (MARINER)
2	10-78492A1	THUMB SCREW ASSEMBLY
3	12-78493	WASHER, THUMB SCREW
4	10-78495	SCREW, WASHER TO THUMB SCREW
5	75043	CAP, THUMB SCREW
6	8M0041936	TILT TUBE
7	12-52864	WASHER, TILT TUBE
8	11-858869	NUT, (.875-14), TILT TUBE
9	53078	CAP, PLASTIC - TILT TUBE
10	98877	SHOCK MOUNT, Upper
10A	55-28416	PIN (POWER TRIM)
11	23-73203	BUSHING, CLAMP BRACKET
12	23-59623	SPACER, CLAMP BRACKET STUD
13	16-59625	STUD, CLAMP BRACKET
14	13-8M0204647	LOCKWASHER, (.312), CLAMP BRACKET STUD
15	11-28770	NUT, (.312-24) Stainless Steel, CLAMP BRACKET STUD
16	17-8M0026068	PIN ASSEMBLY, Tilt Lock
17	32-28052	SLEEVE, RUBBER - TILT LOCK PIN
18	10-89673	SCREW, (.375-16 x 5.00), CLAMP BRACKET TO TRANSOM
19	12-68300	WASHER, (..88 x .39 x .06), CLAMP BRACKET BOLT
20	11-82671112	NUT, CLAMP BRACKET BOLT
21	10-69375A1	SCREW, (.500-20 x .625), UPPER AND LOWER SHOCK PIN
22	98876	STRAP, TILT STOP
23	98878	PIN, LOWER MOUNT
24	24-98875	SPRING

▶COWL SUPPORT BRACKETS (42 parts)

Ref	OEM Part #	Part Name
1	73641A2	BRACKET, TOP (MARINER)
2	62444	SEAL, RUBBER - TOP BRACKET/MOUNTING PLATE
3	79652	CLIP, SUPPORT BRACKET
4	10-48409	SCREW, (#10-16 x .625) Stainless Steel, CLIP TO SUPPORT
5	79490	SHIELD, FLYWHEEL
6	10-37656	SCREW, (#10-32 x .620), SHIELD TO SUPPORT BRACKET
7	10-48408	SCREW, (#10-16 x .500), SHIELD TO SUPPORT BRACKET
8	91891	WEAR PLATE, SOUND ATTENUATOR
9	74510A2	BRACKET, COWL SUPPORT - REAR
10	698761	SEAL, REAR BRACKET AND TOP BRACKET
11	90435	MOUNT, RUBBER - REAR SUPPORT BRACKET
12	12-69057	WASHER, RUBBER MOUNT
13	11-8M0207775	NUT, (1/4-28X7/32), RUBBER MOUNT
14	269011	BUMPER, RUBBER - REAR SUPPORT BRACKET
15	60116	BRACE, COWL SUPPORT BRACKET (TOP)
16	10-76596	SCREW, (.250-20 x 1.250), SUPPORT BRACKET
17	90435	MOUNT, RUBBER - FRONT SUPPORT BRACKET
18	11-36069	NUT, RUBBER MOUNT
19	71097	BRACKET, RUBBER MOUNT
20	10-824941	SCREW, (.312-18 x .750), BRACKET TO CRANKCASE
21	973481	ATTENUATOR, SOUND
22	88684	COVER, MANUAL CHOKE
23	10-23015	SCREW, (.190-32 x 1.00), COVER TO TOP COVER
24	12-8M0204690	WASHER, COVER SCREW
25	73986	MANIFOLD, Air
26	10-69093	SCREW, (.250-20 x 1.50), AIR MANIFOLD
27	90435	MOUNT, RUBBER - FRONT SUPPORT
28	11-8M0207775	NUT, (1/4-28X7/32), RUBBER MOUNT
29	76410	SEAL, FUEL CONNECTOR - SOUND ATTENUATOR
30	76578	COVER, SOUND ATTENUATOR (FRONT)
31	10-37571	SCREW, (.190-32 x .500), FRONT COVER
32	19-73336	PLUG, FRONT COVER
33	76251A1	PLATE ASSEMBLY, FRONT COVER
34	76264	LATCH, FRONT COVER
35	24-60295	SPRING, FRONT COVER LATCH
36	10-28635	SCREW, (.250-20 x .620) Stainless Steel, COVER PLATE TO SUPPORT BRACKET
37	87764	BRACKET, REAR - LOWER MOUNT
38	10-76596	SCREW, (.250-20 x 1.250), REAR BRACKET ATTACHING
39	90435	MOUNT, RUBBER - REAR COWL SUPPORT
40	88238A3	CABLE ASSEMBLY, Ground
41	12-69057	WASHER, RUBBER MOUNT
42	11-8M0207775	NUT, (1/4-28X7/32), RUBBER MOUNT

▶COWLING AND FRONT COVER (28 parts)

Ref	OEM Part #	Part Name
1	2142-6228A3	TOP COWL ASSEMBLY, STARBOARD (LIGHT GRAY)(MARINER)
2	26-60297	SEAL, FUEL CONNECTOR - COWL
3	2141-6227A17	TOP COWL ASSEMBLY, PORT (LIGHT GRAY)(MARINER)
4	26-60298	SEAL, CONTROL CABLES - COWL
5	89717T	BRACKET, COWL SEALING - REAR
6	698761	SEAL, REAR BRACKET
7	90980	BRACKET, COWL HINGE
8	10-75794	SCREW, HINGE BRACKET (UPPER) (1-1/8")
9	75805	CAP, HINGE BRACKET SCREW (UPPER)
10	13-26992	LOCKWASHER, (.250) Stainless Steel, HINGE BRACKET SCREW
11	12-37998	WASHER, HINGE BRACKET SCREW
12	12-75806	WASHER, HINGE BRACKET SCREW (UPPER)
13	90979	PIN, COWL HINGE
14	10-28782	SCREW, (.312-18 x .880) Stainless Steel, PIN TO COWL
15	13-8M0204647	LOCKWASHER, (.312), PIN ATTACHING SCREW
16	46785A5	LATCH ASSEMBLY, Cowl
17	62628	BARREL, COWL LATCH
18	10-31312	SCREW, (#10-32 x 0.875), LATCH ASSEMBLY TO BARREL
19	15222	BAR, ADJUSTMENT - COWL LATCH
20	62629	BARREL, COWL LATCH
21	24-62624	SPRING, TENSION - COWL LATCH
22	12-30164	WASHER, (.192 x .375 x .0312) Stainless Steel, ADJUSTMENT BAR TO BARREL
23	10-32,11-859124	NUT, Stainless Steel, ADJUSTMENT BAR TO BARREL
24	2143-7254A12	FRONT COVER (LIGHT GRAY)(MARINER)
25	795511	BLANKET, SOUND ABSORBING
26	61158T	HOOK, FRONT COVER
27	10-69570	SCREW, (#10-16 x .750), HOOK TO FRONT COVER
28	47341A11	ROPE AND HANDLE KIT, Manual/Emergency Start Comment: (FOR MANUAL STARTING ONLY)

▶CRANKSHAFT, PISTONS AND CONNECTING RODS (24 parts)

Ref	OEM Part #	Part Name
1	462-8839A2	CRANKSHAFT ASSEMBLY
2	30-64424T	BEARING, BALL - LOWER AND UPPER
3	15-22369A1	SHIM SET, LOWER BEARING TO CRANKSHAFT
4	542-7509A3	BEARING ASSEMBLY, Main (VALVE TYPE)
5	17-20032	PIN, Dowel, MAIN BEARING
6	17-60282	PIN, Dowel (STEPPED)
7	17-65855	PIN, Dowel, REED STOP
8	34-66051A1	REED SET, MATCHED - MAIN BEARING
9	34-65946	STOP, Reed
10	10-77280	SCREW, (.190-32 x .560), REED STOP MOUNTING
11	10-32,11-20110	NUT, , REED STOP MOUNTING SCREW
12	10-45775	SCREW, (#12-28 x .560) , MAIN BEARING CLAMPING
13	11-45774	NUT, MAIN BEARING SCREW CLAMPING
14	26113T	RACE, OUTER (PAIR)
15	53-26933	RING, Snap, OUTER RACE CLAMPING
16	29-714221	BEARING, Needle
17	774-9137A14	PISTON ASSEMBLY (.030 O.S.) Comment: (60)
18	53-857196	RING, Lock, PISTON PIN
19	39-88392A12	RING SET, Piston - .030 Oversize
20	624-8101A3	CONNECTING ROD ASSEMBLY
21	10-91012	SCREW, (.250-28 Special), CAP TO CONNECTING ROD - W/O NUT
22	31-62596A1	BEARING ASSEMBLY
23	29-8M0214934	BEARING, NEEDLE - PISTON PIN
24	12-8M0032839	WASHER, NEEDLE LOCATING

▶CYLINDER BLOCK AND CRANKCASE ASSEMBLY (36 parts)

Ref	OEM Part #	Part Name
-	97470T87	POWERHEAD Comment: (60)
1	865-8362A11	CYLINDER BLOCK ASSEMBLY Comment: (60)
2	66517	RESTRICTOR, CRANKCASE BLEED
3	27-60286	GASKET, CRANKCASE TO CYLINDER BLOCK
4	16-68201	STUD, CRANKCASE TO DRIVE SHAFT HOUSING (2-1/4")
5	17-43044	PIN, Dowel, CRANKCASE TO CYLINDER BLOCK
6	17-20323	PIN, Dowel, CYLINDER BLOCK TO MAIN BEARING
7	16-92345	STUD, CYLINDER BLOCK (4-3/8")
8	16-68167	STUD, (.312-18/.312-24 x 2.560), CYLINDER BLOCK - TRANSFER SIDE
9	76975	COVER, STARTER MOTOR (BOTTOM)
10	10-815549	SCREW, (.312-18 x 2), STARTER MOTOR COVER
11	13-8M0204647	LOCKWASHER, (.312), STARTER MOTOR COVER SCREW
12	79735A1	COVER, STARTER MOTOR (TOP)
13	10-35385	SCREW, (.312-18 x 1-3/4), STARTER MOTOR COVER
14	10-22039	SCREW, (.312-24 x 2.75), CRANKCASE TO CYLINDER BLOCK
15	12-26020	WASHER, CRANKCASE SCREW (BOTTOM)
16	11-29250	NUT, (.312-24), CRANKCASE SCREW (BOTTOM)
17	79736	INDICATOR, TIMING
18	10-58414	SCREW, INDICATOR TO STARTER COVER
19	12-56720	WASHER, (.330 x .750 x .060) Stainless Steel, INDICATOR SCREW
20	1161-6357A1	END CAP ASSEMBLY, UPPER
21	25-64966	O-RING, (3.739 x .070), END CAP
22	26-41953	SEAL, END CAP
23	10-812618	SCREW, UPPER END CAP MOUNTING (1")
24	15-73644A1	SHIM, UPPER END CAP (.006-8-10)
25	1144-6691A1	END CAP ASSEMBLY, LOWER
26	25-32546	O-RING, END CAP
27	26-41953	SEAL, END CAP
28	10-30225	SCREW AND LOCKWASHER, (.312-18 x 1.00), LOWER END CAP MOUNTING
29	15-20085A1	SHIM SET, LOWER END CAP (.002-3-5-10)
30	22-291112	CONNECTOR, HOSE TO CYLINDER BLOCK
31	32-774572	HOSE, (48.00 Inches Bulk), TELL TALE (15")
32	23-90882	SLEEVE, TELL TALE HOSE
33	69555001	NOZZLE, TELL TALE - REAR SUPPORT BRACKET
34	54-70705	CLAMP, TELL TALE NOZZLE
35	10-48408	SCREW, (#10-16 x .500), TELL TALE CLAMP

▶DRIVESHAFT HOUSING ASSEMBLY (36 parts)

Ref	OEM Part #	Part Name
1	1593-7513A12	HOUSING ASSEMBLY, Driveshaft Comment: (LONG)
2	19-64649	PLUG, TRIM TAB SCREW HOLE
3	16-8M0022145	STUD, (.375-16/.375-24 x 1.750), DRIVE SHAFT HOUSING
4	16-57935	STUD, DRIVE SHAFT HOUSING (3")
5	12-65791	WASHER, GEAR HOUSING STUDS (7/16")
6	11-8M0204653	NUT, (.437-20) Stainless Steel, GEAR HOUSING STUDS
7	923373	MOUNT, RUBBER - UPPER
8	96401	SEAL, UPPER MOUNT
9	12-27727	WASHER, UPPER MOUNT BOLT (37/64 I.D.)
10	12-66966	WASHER, RUBBER - UPPER MOUNT BOLT
11	12-30514	WASHER, UPPER MOUNT BOLT
12	11-8M0204653	NUT, (.437-20) Stainless Steel, UPPER MOUNT BOLT
13	87883	COVER, UPPER MOUNT
14	10-8M0214943	SCREW, (.250-20 x 1.00), UPPER MOUNT COVER
15	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel, UPPER MOUNT COVER SCREW
16	38157	SEAL, TRIM COVER TO DRIVE SHAFT HOUSING
17	38158	STRIP, RETAINING - TRIM COVER SEAL (REAR)
18	38154	STRIP, RETAINING - TRIM COVER SEAL (SIDE)
19	10-48408	SCREW, (#10-16 x .500), RETAING STRIP
20	695441	TUBE, EXHAUST Comment: (LONG)
21	32-45679	TUBE, WATER INLET Comment: (LONG)
22	11-64809	NUT, POWERHEAD STUDS (5/16")
23	75304T1	MOUNT, RUBBER - LOWER
24	10-75284	SCREW, (.500-20 x 5.500), LOWER MOUNT SCREW
25	12-28051	WASHER, LOWER MOUNT SCREW
26	12-28053	WASHER, RUBBER - LOWER MOUNT SCREW
27	12-61709	WASHER, LOWER MOUNT SCREW
28	11-25096	NUT, LOWER MOUNT SCREW
29	69592F1	CLAMP, LOWER MOUNT
30	10-29256	SCREW, (.312-18 x .875), LOWER MOUNT CLAMP
31	24-35522	SPRING, TENSION - LOWER MOUNT CLAMP
32	35474F2	COVER, Lower Mount Clamp Comment: (MARINER)
33	10-87884	SCREW, (#12-14 x .920), COVER TO LOWER MOUNT CLAMP
34	11-35521	NUT, LOWER MOUNT CLAMP COVER
35	88238A10	CABLE ASSEMBLY, Ground
36	23-23651	SLEEVE, (1.625), WATER INLET TUBE

▶EXHAUST AND MANIFOLD COVERS (24 parts)

Ref	OEM Part #	Part Name
-	27-88449A32	GASKET SET
1	865-8362A11	CYLINDER BLOCK ASSEMBLY
2	99523A1	COVER ASSEMBLY, TRANSFER
3	27-768621	GASKET, TRANSFER COVER
4	10-38837	SCREW, (.312-18 x 1.12), TRANSFER COVER
5	1025-8364A1	COVER, CYLINDER BLOCK
6	27-437792	GASKET, CYLINDER BLOCK COVER
7	10-76596	SCREW, (.250-20 x 1.250), CYLINDER BLOCK COVER
8	22-328022	PLUG, Pipe (.125-27), CYLINDER BLOCK COVER
9	27-695252	GASKET, BAFFLE PLATE TO CYLINDER BLOCK
10	27-703351	GASKET, BAFFLE PLATE TO COVER
11	69579	PLATE, BAFFLE - EXHAUST MANIFOLD
12	27-695242	GASKET, PLATE TO EXHAUST MANIFOLD COVER
13	78529	COVER, EXHAUST MANIFOLD
14	10-70602	SCREW, (.250-20 x 2.00), PLATE/MANIFOLD COVER
15	87-33386A3	SWITCH ASSEMLBY
16	10-32,11-45076	NUT, Brass, MERCURY SWITCH TERMINAL
17	10-37655	SCREW, (#10-32 x .500), MERCURY SWITCH TO CRANKCASE
18	17-36242	PIN, Roll, MERCURY SWITCH
19	32-892024122	TUBING, (20.00 Feet Bulk), CRANKCASE BLEED
20	21-428641	FITTING, CRANKCASE BLEED
21	22-59169003	FITTING, CRANKCASE BLEED HOSE
22	22-15133	ELBOW, CRANKCASE (PRESS-IN)
23	21-428651	CONNECTOR, ATTENUATOR

▶FLYWHEEL, SWITCH BOX, IGNITION COIL, STATOR (25 parts)

Ref	OEM Part #	Part Name
1	11-52901	NUT, (.625-18), FLYWHEEL
2	12-33001	WASHER, (.641 x 1.250 x .190), FLYWHEEL NUT
3	19-45907	PLUG, Yellow, FLYWHEEL PULLER THREADS
4	248-8722A5	FLYWHEEL ASSEMBLY
5	10-68997	SCREW, (.312-24 x .750), PLATE/HUB
6	10-32417	SCREW, (.250-28 x .625), FLEXIBLE PLATE TO FLYWHEEL
7	889351	PLATE, SWITCH BOX
8	10-824941	SCREW, (.312-18 x .750), SWITCH BOX PLATE
9	332-7778A12	SWITCHBOX ASSEMBLY
10	10-12463	SCREW, (.216-24 x .81), SWITCH BOX TO PLATE
11	10-32,11-45076	NUT, Brass, SWITCH BOX TERMINAL
12	84-88807A9	CABLE ASSEMBLY, SWITCH BOX TO COIL (BLACK)
13	73439	PLATE, MOUNTING - IGNITION COIL
14	339-832757A4	COIL ASSEMBLY, Ignition
15	10-32,11-45076	NUT, Brass, IGNITION COIL TERMINAL
16	43542	COVER, IGNITION COIL
17	10-92399	SCREW, (.190-32 x 2.250), COVER TO MOUNTING PLATE
18	398-5704A7	STATOR ASSEMBLY
19	10-63136	SCREW, (#10-24 x .880), STATOR TO UPPER END CAP
20	96455A8	PLATE ASSEMBLY, Trigger
21	84-813715A1	LEAD ASSEMBLY, SPARK PLUG
22	85-63709A1	BOOT/TERMINAL KIT
23	99213	SHEEL, SPARK PLUG BOOT
24	33-14103550	SPARK PLUG Comment: (CHAMPION#QL-76V)/CANADA AND BELGIUM
25	12-30164	WASHER, (.192 x .375 x .0312) Stainless Steel, COIL COVER SCREW

▶FUEL PUMP, FUEL FILTER AND FUEL LINES (37 parts)

Ref	OEM Part #	Part Name
1	76575A9	PUMP ASSEMBLY, Fuel
2	21-8M0084275	CHECK VALVE ASSEMBLY
3	55278A4	DIAPHRAGM KIT
4	NSS	NOT SOLD SEPARATE, GASKET-CHECK VALVE TO HOUSING
5	NSS	NOT SOLD SEPARATE, GASKET-FUEL PUMP
6	23004	RETAINER, CHECK VALVE
7	10-43725	SCREW, (#6-32 x .380), RETAINER TO HOUSING
8	86026	RETAINER, SPRING
9	24-86207	SPRING, COMPRESSION
10	86252	CAP, SPRING END
11	10-86885	SCREW, PUMP MOUNTING (1-5/8")
12	22-328022	PLUG, Pipe (.125-27), FUEL PUMP
13	32-774572	HOSE, (48.00 Inches Bulk), FUEL PUMP TO EXHAUST PLATE (9-1/2")
14	22-996642	ELBOW, EXHAUST PLATE
15	22-70007	FITTING, 45 Degree, FUEL PUMP
16	32-8M0108355	LINE, (57.00 Inches Bulk), FUEL PUMP (3-1/2")
17	88627	BRACKET, FUEL FILTER
18	10-60411	SCREW, (1.25), BRACKET ATTACHING
19	35-889527A07	FILTER ASSEMBLY, Fuel
20	35-87946Q04	FILTER ASSEMBLY
21	25-897536	SEAL, FUEL FILTER
22	12-69057	WASHER, FUEL FILTER STUD
23	11-400212	NUT, (M6) Stainless Steel, FUEL FILTER STUD
24	32-8M0108355	LINE, (57.00 Inches Bulk), ADAPTOR TO FUEL PUMP (7-1/2")
25	54-68424	CLAMP, FUEL LINE ATTACHING
26	22-63187	FITTING, Barb (.250-18), FUEL LINE TO ADAPTOR
27	22833	ADAPTOR, CHECK UNIT (FUEL PUMP)
28	23069	STEM, CHECK UNIT ADAPTOR
29	25-16524	O-RING, ADAPTOR STEM
30	24-23067T	SPRING, ADAPTRO STEM
31	30188	WASHER, ADAPTOR
32	10-76596	SCREW, (.250-20 x 1.250), ADAPTOR TO SOUND ATTENUTATOR
33	32-8M0108355	LINE, (57.00 Inches Bulk), TO LOWER CARBURETOR (15")
34	22-64706001	TEE, LOWER CARBURETOR
35	32-8M0108355	LINE, (57.00 Inches Bulk), CARBURETOR TO CARBURETOR (3")
36	22-19688	FITTING, UPPER CARBURETOR
37	22-64705	FITTING, FUEL PUMP (STRAIGHT)

▶GEAR HOUSING(DRIVESHAFT) (51 parts)

Ref	OEM Part #	Part Name
-	27-88449A32	GASKET SET
1	1643-9539T8	GEAR HOUSING ASSEMBLY, Mariner (Basic)
2	22-85822A10	CONNECTOR ASSEMBLY, SPEEDOMETER
3	17-8M0084726	PIN, Dowel (.187 x .530), GEAR HOUSING
4	16-33778	STUD, WATER PUMP (2-5/8")
5	16-8M0034453	STUD, (.437-14/.437-20 x 2.190), GEAR HOUSING
6	31-62091T	BEARING, Roller, DRIVE SHAFT
7	72849A1	SCREEN ASSEMBLY, WATER INTAKE - STARBOARD AND PORT
8	10-36070	SCREW, (#10-32 x 1.250), WATER INTAKE SCREEN
9	10-32,11-859124	NUT, Stainless Steel, WATER INTAKE SCREEN SCREW
10	92815	PLATE, SUPPORT - EXHAUST TUBE
11	37721001	SEAL, EXHAUST TUBE
12	43-88019T	GEAR, Pinion
13	11-55910	NUT, (.437-20), PINION GEAR TO DRIVE SHAFT
14	27-19552	GASKET, WATER PUMP
15	25-26722	O-RING, WATER PUMP BASE
16	46-77177A1	BASE ASSEMBLY, Water Pump
17	26-79831	SEAL, Oil, WATER PUMP BASE
18	26-90562	SEAL, (1.254 x .312), WATER PUMP BASE
19	17-35973	PIN, Dowel, WATER PUMP BASE
20	27-19553	GASKET, LOWER - WATER PUMP
21	32768	FACE PLATE, WATER PUMP
22	27-19551	GASKET, UPPER - WATER PUMP
23	47-89983T	IMPELLER, WATER PUMP
24	28-8M0032837	KEY, IMPELLER DRIVE
25	46-77822A1	BODY ASSEMBLY, Water Pump
26	48753	INSERT, WATER PUMP BODY
27	26-38452	SEAL, RUBBER - WATER PUMP
28	12-38453	WASHER, NYLON - WATER PUMP
29	12-8M0204649	WASHER, (.281 x .500 x .060) Stainless Steel, WATER PUMP STUDS
30	11-8267089	NUT, (.250-28), WATER PUMP STUDS
31	25-20273	O-RING, RUBBER (DRIVE SHAFT)
32	78654A1	SEAT ASSEMBLY
33	86304	SEAL, SPLINED
34	10-79953Q04	SCREW, (.375-16 x .250), GREASE FILLER
35	22-8M0058389	SCREW, Magnetic, DRAIN
36	12-191833	WASHER, GREASE FILLER AND DRAIN SCREW
37	88181	SLEEVE, LUBRICATION
38	15-92881A1	SHIM SET, ROLLER BEARING (.002-3-5-10-20)
39	31-8M0166756	BEARING ASSEMBLY, Roller, TAPERED
40	45-98180	DRIVESHAFT ASSEMBLY Comment: (Long)
41	24-20254	SPRING, COMPRESSION - DRIVE SHAFT
42	17-30545	PIN, DRIVE SHAFT
43	76063A1	SHAFT ASSEMBLY, SHIFT - LOWER
44	53-29641	E RING, RETAINING - SHIFT SHAFT
45	25-25439	O-RING, (.862 x .103), SHIFT SHAFT BUSHING
46	23-77631A2	BUSHING ASSEMBLY, SHIFT SHAFT
47	26-8M0204708	SEAL, Oil, SHIFT SHAFT BUSHING
48	12-77674	WASHER, RUBBER - SHAFT BUSHING
49	78036	BASE, REVERSE LOCKING
50	43308T1	CAM, REVERSE LOCKING

▶GEAR HOUSING(PROPELLER SHAFT) (34 parts)

Ref	OEM Part #	Part Name
-	27-88449A32	GASKET SET
1	1643-9539T8	GEAR HOUSING ASSEMBLY, Mariner, Basic
51	760394	CAM, Shift Control
52	15-38374A1	SHIM SET, BEARING CUP (.002-3-5-10)
53	31-38356A1	BEARING SET
54	43-88018T1	GEAR ASSEMBLY, Forward
55	31-21739	BEARING, Roller, FORWARD GEAR
56	38441	FOLLOWER, Cam
57	20843	SLIDE, CROSS PIN
58	24-39845	SPRING, COMPRESSION - CAM FOLLOWER
59	52-92911T	RATCHET, SLIDING CLUTCH
60	17-8M0020942	PIN, Cross, RATCHET TO PROPELLER SHAFT
61	24-38114	SPRING, RETAINING - CROSS PIN
62	44-75365	PROPELLER SHAFT
63	43-88017T	GEAR, Reverse
64	12-32004	WASHER, REVERSE GEAR
65	30-20839T	BEARING, Ball, REVERSE GEAR
66	25-31986	O-RING, BEARING CARRIER
67	69386T1	CARRIER ASSEMBLY, Bearing
68	31-21700	BEARING, Needle, BEARING CARRIER
69	26-8M0205511	SEAL, Oil, BEARING CARRIER
70	26-8M0203757	SEAL, Oil, BEARING CARRIER
71	28-30281	KEY, LOCATING, BEARING CARRIER
72	14-53012	TAB WASHER, GEAR HOUSING NUT
73	11-87763	NUT, GEAR HOUSING
74	97-31640Q4	TRIM TAB ASSEMBLY, GEAR HOUSING
75	10-66024	SCREW, (.437-14 x 1.75), TRIM TAB TO GEAR HOUSING
76	12-8M0214963	WASHER, (.406 x .750 x .104), DRIVE SHAFT HOUSING STUD
77	11-8M0204726	NUT, (.375-24), DRIVE SHAFT HOUSING STUD
78	12-65791	WASHER, DRIVE SHAFT HOUSING STUD (7/16")
79	11-8M0204653	NUT, (.437-20) Stainless Steel, DRIVE SHAFT HOUSING STUD
80	73345A1	THRUST HUB, FRONT
81	14-8M0214942	TAB WASHER, PROPELLER
82	11-69578Q1	PROP NUT KIT

▶HYDRAULIC PUMP ASSEMBLY(PLASTIC RESERVOIR) (16 parts)

Ref	OEM Part #	Part Name
-	92975A32	PUMP ASSEMBLY, Hydraulic
1	25-48171	O-RING, (.364. x .070), HYDRAULIC PUMP
2	92975A32	VALVE BODY AND GEAR ASSEMBLY
3	10-69570	SCREW, (#10-16 x .750), VALVE BODY TO RESERVOIR
4	392-7727	COUPLER AND SHAFT
5	392-7735	SEAL, RESERVOIR TO VALVE BODY AND GEAR
6	392-7731	RESEROVIR ASSEMBLY (PLASTIC)
7	392-7732	WASHER, THRUST - ARMATURE
8	392-7729	ARMATURE, FIELD AND FRAME
9	392-8261	FIELD AND FRAME ASSEMBLY
10	392-7730	BALL, COMMUTATOR END PLATE
11	392-8262	PLATE ASSEMBLY, COMMUTATOR END
12	392-8989	BRUSH SET, COMMUTATOR END PLATE
13	392-2529	SPRING SET, BRUSH TENSION
14	392-7733	BOLT SET, Thru- Plate and Frame to Reservoir
15	392-7728	FILL PLUG, RESERVOIR

▶MISCELLANEOUS PARTS/ACCESSORIES (1 parts)

Ref	OEM Part #	Part Name
-	90-445643	OWNERS GUIDE (MARINER 50/60)

▶POWER TRIM COMPONENTS (42 parts)

Ref	OEM Part #	Part Name
-	25-48171	O-RING, (.364. x .070), MANIFOLD PLATE (SEE REF. #2)
1	92975A32	PUMP ASSEMBLY, Hydraulic (PLASTIC RESERVOIR) SEE NOTE
2	25-48171	O-RING, (.364. x .070), MANIFOLD PLATE
3	10-79953Q04	SCREW, (.375-16 x .250), FILLER - HYDRAULIC PUMP
4	12-191833	WASHER, SEALING - FILLER SCREW
5	10-62269	SCREW, (#10-32 x .437), VENT - HYDRAULIC PUMP
6	45336	PLATE, MANIFOLD
7	45197A2	VALVE ASSEMBLY, Control
8	25-45254	O-RING, CONTROL VALVE (3/4" O.D.)
9	25-48171	O-RING, (.364. x .070), CONTROL VALVE
10	25-45253	O-RING, CONTROL VALVE (5/8" O.D.)
11	10-56500	SCREW, (.250-28 x 1.250)
12	22-46008	PLUG, CONTROL VALVE (1/2-20")
13	84-79147A3	HARNESS ASSEMBLY
14	88-8M0207796	FUSE, 20 Ampere
15	84-95084A3	CABLE ASSEMBLY, FUSE
16	45377T	BRACKET, MOUNTING
17	10-35386	SCREW, (.312-18 x 1.00)
18	13-39107	LOCKWASHER, (.312-24), MOUNTING BRACKET SCREW
19	11-21908	NUT, (.312-18) Cad Plated, MOUNTING BRACKET SCREW
20	10-31830	BOLT, (.375-24 x 1.75), HYDRAULIC PUMP TO BOAT
21	11-46335	NUT, HYDRAULIC PUMP BOLT
22	94279	BRACKET, MOUNTING - STARTER SOLENOID
23	10-28638	SCREW, MOUNTING BRACKET TO HYDRAULIC PUMP
24	10-32,11-8M0204718	NUT,
25	8M0185622	SOLENOID, Starter
26	8,13-26995	LOCKWASHER, Stainless Steel, SOLENOID TERMINAL
27	8-32,11-26419	NUT, Brass, SOLENOID TERMINAL
28	13-26992	LOCKWASHER, (.250) Stainless Steel, SOLENOID TERMINAL
29	11-94330	NUT, (.250-20) Brass, SOLENOID TERMINAL
30	85-861680	BOOT, RUBBER - STARTER SOLENOID TERMINAL
31	10-41508	SCREW, (.250-20 x .500) Stainless Steel
32	94275	LINK, SOLENOID TO SOLENOID
33	84-79138A1	CABLE ASSEMBLY (NEGATIVE)
34	88-8M0085705	BREAKER, Circuit - 20 Ampere, EARLY MODELS
35	10-8M0113176	SCREW, (#10-24 x .375), CIRCUIT BREAKER-EARLY MODELS
36	10-32,11-45076	NUT, Brass
37	84-87379A5	WIRE
38	88-79023T90	FUSE ASSEMBLY, 90 Ampere
39	12-96457	WASHER, Phenolic (.27 x .81 x .062), FUSE TERMINAL
40	11-21825	NUT, (.250-28), FUSE TERMINAL
41	84-61600A9	WIRE, STARTER SOLENOID (BLACK)

▶POWER TRIM CYLINDER REPAIR KITS (1 parts)

Ref	OEM Part #	Part Name
-	92188A2	REPAIR KIT (SEE NOTE)

▶PROPELLERS(RIGHT HAND ROTATION) (1 parts)

Ref	OEM Part #	Part Name
-	48-73144A45	PROPELLER ASSEMBLY (ALUMINUM)(PITCH 17") Comment: 3 BLADES

▶SHIFT LINKAGE AND EXHAUST PLATE (37 parts)

Ref	OEM Part #	Part Name
-	27-88449A32	GASKET SET
1	814283A2	BRACKET, ANCHOR - CONTROL CABLES
2	60283A1	LINK ASSEMBLY, SHIFT SHAFT
3	24-20099	SPRING, LINK TO ANCHOR BRACKET
4	37896	GUIDE BLOCK, LINK
5	52100	WEAR PLATE, NYLON - LINK
6	8M0036768	LATCH, LINK TO ANCHOR BRACKET
7	12-35462	WASHER, (.2656 x .625 x .0625) Stainless Steel, LINK LATCH
8	11-36069	NUT, LINK ATTACHING
9	75355A32	SHIFT SHAFT ASSEMBLY, UPPER Comment: (LONG)
10	13-29720	WAVE WASHER, SHIFT SHAFT TO LINK
11	23-26856	BUSHING, NYLON - SHIFT SHAFT TO LINK
12	12-35462	WASHER, (.2656 x .625 x .0625) Stainless Steel, LINK (SHIFT SHAFT END)
13	39519	CUP, RETAINER - ANCHOR BRACKET
14	87609A1	LEVER, NYLON - SHIFT CABLE LOCKING
15	17-47175	PIN, LOCKING LEVER AND COVER
16	87609A1	LINK, LOCKING LEVER TO COVER
17	90211	COVER, NYLON - SHIFT CABLE
18	10-69101	SCREW, ANCHOR BRACKET (7/8")
19	27-884511	GASKET, POWERHEAD
20	42869A2	PLATE ASSEMBLY, Exhaust
21	23-27132	BUSHING, NYLON - EXHAUST PLATE
22	16-8M0034449	STUD, (.312-18/.312-24 x 1.690), EXHAUST PLATE
23	16-68166	STUD, (.312 x 2.125), EXHAUST PLATE
24	26-38452	SEAL, WATER INLET TUBE
25	12-38453	WASHER, NYLON - WATER SEAL
26	79799	HOUSING, WATER SEAL
27	27-797971	GASKET, HOUSING
28	10-79798	SCREW, (#10-32 x 1.380), HOUSING TO EXHAUST PLATE
29	60307	SEAL, EXHAUST PLATE
30	60306	STRIP, RETAINING - EXHAUST PLATE SEAL
31	10-62568	SCREW, (#10-16 x .375), RETAINING STRIP
32	10-28668	SCREW, (.250-20 x .875) Stainless Steel, EXHAUST PLATE
33	27-385011	GASKET, ADAPTOR PLATE
34	42718	TUBE, Exhaust, ADAPTOR Comment: (60)
35	27-602801	GASKET, EXHAUST TUBE
36	10-28636	SCREW, (.250-20 x .750), EXHAUST TUBE

▶STARTER MOTOR ASSEMBLY(BOSCH) (14 parts)

Ref	OEM Part #	Part Name
-	50-44369A1	STARTER MOTOR ASSEMBLY Comment: (STAMPED 50-44369)
1	90643	DRIVE KIT Comment: (Use with Starter Motor Stamped 50-44369)
2	685753	DRIVE ASSEMBLY
3	75660	PLATE, DRIVE END
4	10-95686	BOLT, THRU Comment: (Use with Starter Motor Stamped 50-44369)
6	11957	ARMATURE Comment: (Use with Starter Motor Stamped 50-44369)
7	898265016	BRUSH/SPRING KIT
8	23-57387	BUSHING, INSULATING - INPUT STUD
9	12-38013	WASHER, INPUT STUD
10	13-26992	LOCKWASHER, (.250) Stainless Steel, INPUT STUD
11	11-20890	NUT, (.250-20), INPUT STUD
12	898265014	HOLDER, BRUSH
13	10-68586	SCREW, BRUSH AND HOLDER TO CAP
14	75383	END CAP, COMMUTATOR

▶STARTER MOTOR ASSEMBLY(PRESTOLITE) (10 parts)

Ref	OEM Part #	Part Name
1	392-8848	MOTOR DRIVE
2	392-8852	PLATE ASSEMBLY, DRIVE END
3	392-8853	BUSHING, DRIVE END PLATE
4	392-8847	ARMATURE
5	392-8856	PACKAGE, ARMATURE THRUST WASHER
6	392-8849	END CAP ASSEMBLY, COMMUTATOR
7	392-8850	PLATE/HOLDER ASSEMBLY, Brush
8	392-8851	BRUSH AND TERMINAL SET
9	392-8854	SPRING SET, BRUSH (2 SPRINGS PER SET)
10	392-8855	BOLT, THRU - END CAP TO END PLATE (1/4-28)

▶STARTER MOTOR, STARTER SOLENOID, RECTIFIER (39 parts)

Ref	OEM Part #	Part Name
1	8M0058226	RECTIFIER
2	10-38055	SCREW, (.190-32 x .62), RECTIFIER TO PLATE
3	10,13-26996	LOCKWASHER, Stainless Steel, RECTIFIER SCREW
4	23-94304	SPACER, RECTIFIER SCREW
5	10-32,11-45076	NUT, Brass, RECTIFIER TERMINAL
6	89-8M0185149	SOLENOID ASSEMBLY, Starter
7	8,13-26995	LOCKWASHER, Stainless Steel, SOLENOID TERMINAL
8	8-32,11-26419	NUT, Brass, SOLENOID TERMINAL
9	13-26992	LOCKWASHER, (.250) Stainless Steel, SOLENOID TERMINAL
10	11-94330	NUT, (.250-20) Brass, SOLENOID TERMINAL
11	85-97861	INSULATOR, STARTER SOLENOID
12	10-69054	SCREW, (.250-20 x .620), SOLENOID TO ATTENUATOR
13	13-26992	LOCKWASHER, (.250) Stainless Steel, SOLENOID SCREW
14	50-44369A1	STARTER MOTOR ASSEMBLY Comment: (STAMPED 50-44369)
15	44368	ADAPTOR Comment: STARTER MOTOR STAMPED 50-44369
16	8M0043376	STOP, RUBBER - STARTER MOTOR
17	84-93388A1	CABLE ASSEMBLY, (6.00 Inches) Black, STARTER TO SOUND ATTENUATOR
18	10-69035	SCREW AND LOCKWASHER, (.250-20 x .625) Stainless Steel, CABLE TO STARTER MOTOR
19	84-93389A6	CABLE ASSEMBLY (9-1/2 Inches)(Solenoid to Starter Motor
20	13-26992	LOCKWASHER, (.250) Stainless Steel, STARTER MOTOR TERMINAL
21	11-20890	NUT, (.250-20), STARTER MOTOR TERMINAL
22	23-8M0034918	COLLAR, RUBBER - STARTER MOUNT
23	23-56774	SPACER, COLLAR TO MOUNTING BRACKETS
24	84-96271A2	HARNESS ASSEMBLY (INTERNAL)
25	84-95084A2	CABLE ASSEMBLY, FUSE
26	88-8M0207796	FUSE, 20 Ampere
27	88751	CLAMP, WIRING HARNESS
28	10-23702	SCREW, (.190-32 x 1.12), WIRING HARNESS CLAMP
29	12-72761	WASHER, (.203 x .562 x .060) Stainless Steel, WIRING HARNESS CLAMP SCREW
30	24-28357	SPRING, WIRING HARNESS
31	84-88439A4	CABLE ASSEMBLY, Battery - Negative
32	88683	BRACKET, WIRING HARNESS SUPPORT
33	10-23015	SCREW, (.190-32 x 1.00), BRACKET ATTACHING
34	12-30164	WASHER, (.192 x .375 x .0312) Stainless Steel, BRACKET SCREW
35	88682	COVER, HARNESS SUPPORT BRACKET
36	10-25158	SCREW, (.190-32 x 1.75), COVER TO BRACKET
37	26-60925	SEAL, WIRING HARNESS BRACKET
38	54-28700	CLAMP, WIRING HARNESS
39	10-73286	SCREW, (.250-20 x .500) Stainless Steel, WIRING HARNESS CLAMP

▶SWIVEL BRACKET AND REVERSE LOCK (26 parts)

Ref	OEM Part #	Part Name
-	27-88449A32	GASKET SET
1	1490-8599A6	SWIVEL BRACKET Comment: (LONG)
2	26-32911	SEAL, Oil, SWIVEL BRACKET
3	22-8M0169589	FITTING, Grease
4	26-22734	SEAL, Oil, SWIVEL BRACKET
5	69540A4	SWIVEL PIN ASSEMBLY Comment: (LONG)
6	30711	BUMPER, STEERING ARM
7	10-66897	BOLT, (.437-20 x 5.250), UPPER MOUNT TO SWIVEL PIN
8	12-25176	WASHER, SWIVEL PIN TO BOTTOM YOKE (.060)
9	77416T1	YOKE, Bottom
10	53-77415	RETAINING RING, BOTTOM YOKE
11/12	89105	TILT LOCK, STARBOARD/PORT
13	25-627021	O-RING, (.301 x .070), TILT LOCK
14	79659	COUPLING, TILT LOCK
15	18-47959	COTTER PIN, TILT LOCK TUBE
16	56349	SHAFT, REVERSE LOCK PIVOT
17	23-69132	BUSHING, REVERSE PIVOT SHAFT
18	18-45882	COTTER PIN, REVERSE LOCK TO SHAFT
19	24-78203A2	SPRING, REVERSE LOCK TENSION
20	14664A3	LOCK ASSEMBLY, Reverse
21	43416	PUSH ROD, REVERSE LOCK Comment: (LONG)
22	12-8M0042642	WASHER, (.323 x .563 x .063) Stainless Steel, PUSH ROD
23	24-44297	SPRING, PUSH ROD
24	89813	ROD END, PUSH ROD
25	11-82670911	NUT, (.312-24) Stainless Steel, PUSH ROD
26	933361	GUIDE, PUSH ROD

▶TRIM CYLINDERS AND HYDRAULIC HOSES (54 parts)

Ref	OEM Part #	Part Name
1	92194A20	TRIM CYLINDER Comment: (MARINER)
2	22-8M0169589	FITTING, Grease, TRIM CYLINDER
3	10-45265	SCREW, (#10-32 x .3125), BLEED
4	25-45016	O-RING, BLEED SCREW
5	10-92050	SCREW, (.500-20 x 1.500) Comment: WITHOUT TAPPED HOLE
6	12-8M0204648	WASHER, (1.5 x 3.05 x 0.13) Stainless Steel, TRIM CYLINDER BOLT
7	23-45280	SPACER, TRIM CYLINDER - LOWER
8	23-94907A1	BUSHING, RUBBER - TRIM CYLINDER
9	89108A3	BRACKET, TRIM CYLINDER (PORT)
10	26-70608	SEAL, Oil, PORT BRACKET
11	89290	PLUNGER, LIMIT SWITCH ACTUATING
12	24-95881	SPRING, TENSION - LIMIT SWITCH PLUNGER
13	16-45282	STUD, (.312-24 x 16.620), MOUNTING BRACKET
14	13-8M0204647	LOCKWASHER, (.312), MOUNTING BRACKET STUD
15	11-28770	NUT, (.312-24) Stainless Steel, MOUNTING BRACKET STUD
16	10-45263	SCREW, (.500-20 x .2.250), MOUNTING BRACKET
17	10-89673	SCREW, (.375-16 x 5.00)
18	12-68410	WASHER, MOUNTING BRACKET BOLT
19	11-82671112	NUT, MOUNTING BRACKET BOLT
20	89111T	BRACKET, TRIM CYLINDER (STARBOARD)
21	10-45328	SCREW, (.437-20 x 3.560)
22	12-37807	WASHER Comment: (Starboard Only)
23	11-8M0143423	NUT, (.437-20), TRIM CYLINDER SCREW
24	24-24390	SPRING, TENSION - ADJUSTING STUD
25	16-8M0034461	STUD, (#10-32 x .930), ADJUSTING - CUT-OUT LIMIT SWITCH
26	10-32,11-859124	NUT, Stainless Steel, JAM - LIMIT SWITCH ADJUSTING STUD
27	99897	CAM, LIMIT SWITCH ADJUSTING STUD
28	86967	PLATE, RETAINING - LIMIT SWITCH CAM
29	10-68513	SCREW, (#10-32 x .375) Stainless Steel, RETAINING PLATE AND CAM
30	10,13-26996	LOCKWASHER, Stainless Steel, RETAINING PLATE AND CAM SCREW
31	45326A2	SWITCH ASSEMBLY, CUT-OUT LIMIT
32	23-45354	BUSHING, RUBBER - CUT-OUT LIMIT SWITCH
33	10-47255	SCREW, (#4-40 x .625), CUT-OUT LIMIT SWITCH
34	89272	COVER, LIMIT SWITCH
35	27-892731	GASKET, LIMIT SWITCH COVER
36	10-34994	SCREW, (#10-32 x 1.00) Stainless Steel, LIMIT SWITCH COVER
37	12-38833	WASHER, LIMIT SWITCH COVER SCREW
38	87774A1	COVER, INLET - TRANSOM
39	27-87775	GASKET, INLET COVER
40	25-45507	GROMMET, RUBBER - INLET COVER
41	10-36070	SCREW, (#10-32 x 1.250), INLET COVER TO BOAT
42	10,13-26996	LOCKWASHER, Stainless Steel, INLET COVER SCREW
43	10-32,11-68219	NUT, Stainless Steel, INLET COVER SCREW
44	32-88005	HOSE, TRIM
45	32-88006	HOSE, LIFT
46	25-12602002	GROMMET, RUBBER Comment: (7/16" I.D. - 7/8" LONG)
47	73519A1	STRAP, Tilt Stop
48	69259	TUBE, MOUNTING - TILT STOP
49	77669	PIN, MOUNTING TUBE
50	63473	TUBE, CUSHION
51	18-36002	COTTER PIN, MOUNTING TUBE PIN
52	18-45882	COTTER PIN, TILT PIN RETAINING
53	12-39304	WASHER, TILT PIN
54	23-89112	BUSHING, MOUNTING BRACKET

▶Throttle Linkage (35 parts)

Ref	OEM Part #	Part Name
1	76864	HOUSING, NYLON-THROTTLE ACTUATOR
2	77025	CAM, NYLON-THROTTLE ACTUATOR
3	10-37571	SCREW, (.190-32 x .500), HOUSING
4	10,13-26996	LOCKWASHER, Stainless Steel, HOUSING SREW
5	60570	PLATE, RETAINER-ACTUATOR HOUSING
6	23-74213	BARREL, NYLON-THROTTLE LINK ROD
7	74164	ROD, LINK-THROTTLE
8	77013A1	SWIVEL, LINK TO THROTTLE CONTROL LEVER
9	13-29402	WAVE WASHER, LINK ROD SWIVEL
10	23-26856	BUSHING, LINK ROD SWIVEL
11	12-73288	WASHER, LINK ROD SWIVEL
12	11-45774	NUT, LINK ROD SWIVEL
13	77032A2	LEVER ASSEMBLY, THROTTLE CONTROL
14	10-67916	SCREW, THROTTLE LEVER ADJUSTING (2")
15	11-29598	NUT, (.250-28) Stainless Steel, JAM-ADJUSTING SCREW
16	52023	CAP, ADJUSTINTG SCREW
17	10-818165	SCREW, (.375-16 x 1.75), THROTTLE CONTROL LEVER
18	23-55164	BUSHING, THROTTLE CONTROL LEVER SCREW
19	23-55171	BUSHING, THROTTLE CONTROL LEVER SCREW
20	24-55162	SPRING
21	77031A2	LEVER ASSEMBLY, SPARK ADVANCE
22	12-68410	WASHER, THROTTLE CONTROL LEVER SCREW
23	10-32627	SCREW, (.190-32 x 1.50), SPARK ADVANCE ADJUSTING
24	10-32,11-68219	NUT, Stainless Steel, ADJUSTING SCREW
25	48039	CAP, ADJUSTING SCREW
26	10-77650	SCREW, SPARK ADVANCE LEVER ADJUSTING
27	11-29598	NUT, (.250-28) Stainless Steel, JAM-ADUSTING SCREW
28	52023	CAP, ADJUSTING SCREW
29	39483	LATCH, THROTTLE CONTROL LEVER
30	10-69026	SCREW, (.250-28 x .880), LATCH TO THROTTLE CONTROL LEVER
31	24-20099	SPRING, COMPRESSION-LATCH SCREW
32	11-826709109	NUT, (.250-28), LATCH ATTACHING SCREW
33	74897T	PIVOT, LINK ROD TO STATOR
34	74212	ROD, LINK-SPARK ADVANCE
35	77013A1	SWIVEL, LINK ROD TO SPARK ADVANCE LEVER

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 50 (3 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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