Mercury 75 (9181726 THRU 9219255) Parts & Diagrams

🔎 Mercury 75 Reference Library — Exploded parts diagrams (18 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 75 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	75 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	710 mL (24 fl oz)
Idle Speed (in gear)	650 ± 50 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 75:

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 75.

▶BOTTOM COWL AND STOP SWITCH ASSEMBLY (25 parts)

Ref	OEM Part #	Part Name
1	2159-6681A2	COWL, BOTTOM
2	79300	MOLDING, BOTTOM COWL
3	74360	PLUG, BOTTOM COWL (MANUAL)
4	39778	GROMMET, CHOKE SHAFT - BOTTOM COWL
5	66353	COVER, ACCESS HOLE
6	65479	COVER, ACCESS HOLE
7	39474	ANCHOR, LATCH - BOTTOM COWL
8	10-22483	SCREW, LATCH ANCHOR TO BOTTOM COWL (1 1/8")
9	13-26992	LOCKWASHER, LATCH ANCHOR SCREW
10	23-13127	WASHER, NYLON - WATER OUTLET TUBE
11	26-36556	SEAL, RUBBER - WATER OUTLET TUBE
12	10-38111	SCREW, BOTTOM COWL TO DRIVE SHAFT HOUSING Comment: (3/4")
13	13-26992	LOCKWASHER, BOTTOM COWL SCREW
14	27-89937	GASKET, POWERHEAD TO ADAPTOR PLATE
15	74354	RETAINER, WIRING HARNESS (BOTTOM COWL) Comment: ELECTRIC
16	10-48408	SCREW, RETAINER TO BOTTOM COWL Comment: ELECTRIC
17	24-78810	SPRING, CABLE TO ARM LATCH
18	78809	LATCH, ARM - BOTTOM COWL
19	29-714221	PIN, ARM LOCATING
20	78808	LATCH, BODY - BOTTOM COWL
21	10-32228	SCREW, LATCH TO BOTTOM COWL
22	27-39050	GASKET, BOTTOM COWL TO DRIVE SHAFT HOUSING
23	87-69508A31	STOP SWITCH ASSEMBLY Comment: MANUAL
24	13-69845	LOCKWASHER, STOP SWITCH Comment: MANUAL
25	11-69844	NUT, STOP SWITCH Comment: MANUAL

▶CARBURETOR AND CHOKE ASSEMBLY (21 parts)

Ref	OEM Part #	Part Name
1	1364-8783A14	CARBURETOR ASSEMBLY, COMPLETE
2	32-8M0108355	FUEL LINE, ADAPTOR TO CARBURETOR
3	54-68424	CLAMP, FUEL LINE ATTACHING
4	22-98750	FITTING, FUEL LINE TO ADAPTOR
5	22833	ADAPTOR, CHECK UNIT (FUEL LINE)
6	23069	STEM, CHECK UNIT ADAPTOR
7	25-16524	"O" RING, ADAPTOR STEM
8	24-23067T	SPRING, ADAPTOR STEM
9	30188	CUP WASHER, ADAPTOR
10	10-37923	SCREW, ADAPTOR TO BOTTOM COWL (1 1/4")
11	65552	SCREEN, CARBURETOR
12	10-69022	SCREW, SCREEN TO CARBURETOR
13	86381	KNOB, CHOKE
14	11-73710	NUT, CHOKE CABLE TO BOTTOM COWL
15	72465	CABLE, CHOKE
16	16-69036	STUD, CHOKE CABLE TO CARBURETOR
17	12-8M0204666	WASHER, CHOKE CABLE STUD
18	54-24836	CLIP, TRIGGER LEADS
19	8M0084613	"D" WASHER, TRIGGER LEAD CLIP
20	11-45076	NUT, CHOKE CABLE STUD
21	11-8M0207775	NUT, CARBURETOR ATTACHING

▶CARBURETOR ASSEMBLY, COMPLETE (22 parts)

Ref	OEM Part #	Part Name
--	1399-5137	DIAPHRAGM AND GASKET KIT
1	1364-8783A14	CARBURETOR ASSEMBLY
7	1395-9293	FLOAT
9	1399-5127	FUEL BOWL
11	1399-5128	SCREW, FUEL BOWL TO CARBURETOR
13	1399-6141	INLET NEEDLE AND SPRING
15	1399-1765	JET, MAIN FUEL (.045)
19	1399-7274	CHOKE SHUTTER
20	10-23035	SCREW, CHOKE SHUTTER TO CHOKE SHAFT
21	69764	VENTURI
24	1399-5129	BODY, FUEL PUMP
27	1399-5131	BODY, STRAINER
28	1395-808612	SCREW, STRAINER BODY TO CARBURETOR
29	1399-5758	SCREEN, STRAINER
31	99941	COVER ASSEMBLY, STRAINER (INLET)
34	1399-5827	CHOKE SHAFT
36	1399-5133	THROTTLE SHAFT
37	63646	LEVER, THROTTLE
38	1395-6027	SCREW, THROTTLE LEGER ATTACHING
41	10-23178	SCREW, PLUG - IDLE TUBE
42	1399-5759	THROTTLE SHUTTER
44	27-63309	GASKET, CARBURETOR FLANGE

▶CLAMP BRACKET ASSEMBLY (19 parts)

Ref	OEM Part #	Part Name
1	1468-5570A3	CLAMP BRACKET ASSEMBLY (PORT) Comment: WASHER ATTACHED WITH A SCREW
2	1467-5571A3	CLAMP BRACKET ASSEMBLY (STARBOARD) Comment: WASHER ATTACHED WITH A SCREW
3	10-77190A3	THUMB SCREW ASSEMBLY Comment: WASHER ATTACHED WITH A SCREW
4	10-768042	SCREW, THUMB SCREW Comment: WASHER ATTACHED WITH A SCREW
4A	12-73719	WASHER, THUMB SCREW Comment: WASHER ATTACHED WITH A SCREW
5	12-71421	WASHER, TILT TUBE - CLAMP TO SWIVEL BRACKET
6	96962	TILT TUBE, CLAMP TO SWIVEL BRACKET
7	19-39333	PLUG, TILT TUBE
8	54-8M0085928	CLIP, SAFETY CHAIN - TILT TUBE
9	11-858869	NUT, TILT TUBE FASTENING
10	71420	HANDLE, CARRYING
11	16-71417	STUD, CLAMP BRACKET
12	13-26992	LOCKWASHER, CLAMP BRACKET STUD
13	11-29598	NUT, CLAMP BRACKET STUD
14	24-62143	SPRING, TILT LOCK PIN
15	17-71418A2	TILT LOCK PIN ASSEMBLY
16	10-67982	BOLT, CLAMP BRACKET TO BOAT
17	12-67983	WASHER, CLAMP BRACKET SCREW
18	11-8267098	NUT, CLAMP BRACKET SCREW

▶CRANKSHAFT AND MAIN BEARING ASSEMBLY (9 parts)

Ref	OEM Part #	Part Name
1	421-5275	CRANKSHAFT
3	26-72793	SEAL, CRANKSHAFT
4	550-8122A5	MAIN BEARING ASSEMBLY (VALVE TYPE)
5	17-65855	PIN, DOWEL - REED LOCATING
6	10-56781	SCREW, MAIN BEARING CLAMPING
7	17-20032	PIN, DOWEL - MAIN BEARING TO BLOCK
8	34-31942A1	REED SET, MATCHED - MAIN BEARING
9	34-20053	REED STOP, MAIN BEARING REED VALVES
10	10-27304	SCREW, REED STOP MOUNTING

▶CYLINDER BLOCK AND CRANKCASE ASSEMBLY (36 parts)

Ref	OEM Part #	Part Name
1	837-6542A5	CYLINDER BLOCK AND CRANKCASE ASS'Y
2	16-728091	STUD, BLOCK AND CRANKCASE Comment: TO DRIVE SHAFT HOUSING
3	10-657461	STUD, CARBURETOR MOUNTING
4	17-8M0084726	PIN, DOWEL - CRANKCASE TO CYLINDER BLOCK
5	10-69560	SCREW, ADJ. - THROTTLE CONTROL (1 1/4")
6	11-68219	NUT, THROTTLE CONTROL ADJUSTING SCREW
7	22-56759	FITTING, BLEED DRAIN - CYLINDER BLOCK (TOP)
8	32-9938779	HOSE, BLEED DRAIN (10 1/2")
10	21-42863	CHECK VALVE, BLLED - CRANKCASE (BOTTOM)
11	22-996642	ELBOW, TEEL TALE - CYLINDER BLOCK
12	10-76621	SCREW, CRANKCASE TO CYLINDER BLOCK
13	10-73280	SCREW, CRANKCASE TO CYLINDER BLOCK (1 1/2")
15	10-98260	SCREW, MAIN BEARING LOCKING (5/8")
16	14-20091	TAB WASHER, MAIN BEARING LOCKING SCREW
17	15-31412A1	SHIM, UPPER HOUSING TO CYLINDER BLOCK Comment: (.002-3-5-10)
18	1164-6413A1	BEARING HOUSING ASSEMBLY, UPPER
19	30-72961	BEARING, BALL - UPPER BEARING HOUSING
20	31-31410	BEARING, ROLLER - UPPER BEARING HOUSING
21	26-66301	OIL SEAL, UPPER BEARING HOUSING
22	25-20863	"O" RING, UPPER BEARING HOUSING
23	10-76611	SCREW, UPPER BEARING HOUSING (1/2")
23A	14-78102	TAB WASHER, UPPER BEARING HOUSING SCREW
24	27-780321	GASKET, INTAKE COVER
25	78033	COVER, INTAKE
26	10-26537	SCREW, INTAKE COVER TO CYLINDER BLOCK
27	1019-7465A1	COVER ASSEMBLY, CYLINDER BLOCK
28	22-390721	PLUG, CYLINDER BLOCK COVER
29	27-41382	GASKET, CYLINDER BLOCK COVER
30	10-8M0214943	SCREW, CYL. BLOCK COVER TO CYLINDER BLOCK Comment: (1")
32	27-78035	GASKET, CYLINDER BLOCK TO BAFFLE PLATE
33	78034	PLATE, BAFFLE - EXHAUST MANIFOLD
34	27-78035	GASKET, BAFFLE PLATE
35	74919T	COVER, EXHAUST MANIFOLD
36	10-28668	SCREW Comment: BAFFLE PLATE AND MANIFOLD COVER MOUNTING (3/4")
37	30-72961	BEARING, BALL - CRANKCASE (LOWER)
38	26-66301	OIL SEAL, CRANKCASE (LOWER)

▶DRIVE SHAFT HOUSING ASSEMBLY (23 parts)

Ref	OEM Part #	Part Name
1	1558-8453A1	DRIVE SHAFT HOUSING ASSEMBLY (LONG SHAFT)
2	16-66373	STUD, DRIVE SHAFT HOUSING TO GEAR HOUSING Comment: (2 5/16")
3	11-8M0204726	NUT, DRIVE SHAFT HOUSING STUD Comment: (3/8 - 24)
4	11-82670911	NUT, GEAR HOUSING TO DRIVE SHAFT HOUSING STUD ( Comment: (5/16 - 24)
5	72471	COVER, TRIM - DRIVE SHAFT HOUSING
6	10-64652	SCREW, TRIM COVER TO BOTTOM COWL (1/2")
7	32-8M0108355	HOSE, TELL TALE (9 1/2")
8	32-39062	TUBE, WATER OUTLET Comment: LONG SHAFT
9	10-79953Q04	SCREW, FLUSH - DDRIVE SHAFT HOUSING
10	12-191833	WASHER, SEALING - FLUSH SCREW
11	27-39050	GASKET Comment: ADAPTOR PLATE TO DRIVE SHAFT HOUSING
12	11-24652	NUT Comment: DRIVE SHAFT HOUSING TO POWERHEAD STUDS
13	55435	BLOCK, DRIVE SHAFT Comment: LONG SHAFT
15	1559-8448A2	SADDLE ASSEMBLY
16	64076	BUMPER, THRUST - SADDLE
17	79896A1	MOUNT, LOWER AND UPPER Comment: .
18	53-26406	RING, RETAINING - UPPER AND LOWER MOUNT
19	71490	COVER, LOWER MOUNT
20	10-72169	SCREW, LOWER MOUNT COVER TO MOUNT (7/16")
21	71057	LINK ROD, REVERSE LOCK
22	10-65414	SCREW, CAM RETAINER TO DRIVE SHAFT HOUSING Comment: (3/4")
23	65216	CAM, REVERSE LOCK
24	72007	RETAINER, REVERSE LOCK CAM

▶ELECTRIC COMPONENTS (27 parts)

Ref	OEM Part #	Part Name
1	50-78011	STARTER MOTOR
2	10-55511	SCREW, STARTER MOTOR TO CYLINDER BLOCK Comment: (1 1/4")
3	13-8M0204647	LOCKWASHER, STARTER MOTOR SCREW
6	84-76741A1	WIRE ASSEMBLY, STARTING SWITCH (YELLOW)
7	87-73883	SWITCH, STARTING
8	12-30516	WASHER, STARTING SWITCH
9	11-74394	NUT, STARTING SWITCH
10	74515	PROTECTOR, STARTING SWITCH
11	84-72535A4	CABLE, BATTERY
12	25-74444	GROMMET, BATTERY CABLE
13	10-45742	SCREW, BATTERY CABLE ATTACHING (5/16")
14	10-98253	SCREW, BATTERY CABLE ATTACHING (7/8")
15	74367A15	LIGHTING STATOR ASSEMBLY -BELGIUM
16	10-73696	SCREW, LIGHTING STATOR ATTACHING (1 5/8")
17	8M0058226	RECTIFIER ASSEMBLY
18	10-48408	SCREW, RECTIFIER TO MANIFOLD COVER (1/2")
19	23-62769	SPACER, RECTIFIER SCREW
20	11-45076	NUT, RECTIFIER TERMINAL
21	84-61393A6	WIRE ASSEMBLY, RECTIFIER TO STARTING SWITCH Comment: (RED)
22	95845T	VOLTAGE REGUALTOR Comment: BELGIUM
23	10-74841	SCREW, VOLTAGE REGULATOR TO MANIFOLD COVER Comment: BELGIUM: (1")
24	23-62769	SPACER, VOLTAGE REFULATOR SCREW Comment: BELGIUM
25	11-45076	NUT, VOLTAGE REFULATOR TERMINAL Comment: BELGIUM
26	84-74725A1	HARNESS ASSEMBLY, VOLTAGE REGULATOR Comment: BELGIUM: (BLACK/RED)
27	71663	PLUG, HARNESS -BELGIUM
28	74361	PLUG, HARNESS TO BOTTOM COWL -BELGIUM
29	84-65017A4	HARNESS ASSEMBLY, LIGHTING (EXTERNAL) -BELGIUM

▶FLYWHEEL AND IGNITION COIL (14 parts)

Ref	OEM Part #	Part Name
1	251-6105A1	FLYWHEEL ASSEMBLY (BELGIUM)
2	28-50094	KEY, FLYWHEEL DRIVE
3	12-36245	WASHER, FLYWHEEL NUT
4	11-20696	NUT, FLYWHEEL
5	339-5748A	COIL ASSEMBLY, IGNITION
6	13-26996	LOCKWASHER, IGNITION COIL TERMINAL
7	11-4506	NUT, IGNITION COIL TERMINAL
8	66355	COVER, IGNITION COIL
9	10-72074	SCREW, COIL COVER TO REAR SUPPORT BRACKET Comment: (4 5/8")
10	11-20110	NUT, COIL COVER SCREW
11	84-813715A1	LEAD ASSEMBLY, HIGH TENSION
12	332-2854T01	NIPPLE, IGNITION COIL
13	85-63709A1	PROTECTOR ASSEMBLY, SPARK PLUG Comment: .
14	33-896329833	SPARK PLUG (AC#V40FFK)

▶GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 1) (45 parts)

Ref	OEM Part #	Part Name
-	1630-7360A13	GEAR HOUSING ASS'Y, COMP.(LONG SHAFT) Comment: MACHINED FOR ANODE KIT
1	1630-7360A11	GEAR HOUSING ASS'Y Comment: MACHINED FOR ANODE KIT
2	16-58138	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING Comment: (3 7/16")
3	16-58136	STUD, WATER PUMP HOUSING TO GEAR HOUSING Comment: (2 3/4")
4	31-22756	BEARING, ROLLER - DRIVE SHAFT
5	17-20032	PIN, DOWEL - LOCATING
6	26-33613	SEAL, RUBBER - WATER INTAKE TUBE
7	23-86215	WASHER, NYLON - INTAKE TUBE SEAL
8	35-33425	SCREEN, WATER INTAKE
9	10-28642	SCREW, WATER INTAKE SCREEN TO GEAR HOUSING
10	10-79953Q04	SCREW, GREASE FILLER HOLE
11	12-191833	WASHER, GREASE FILLER HOLE SCREW
12	19643	WASHER, GREASE VENT HOLE SCREW
13	10-28653	SCREW, GREASE VENT HOLE
14	71658A1	SHAFT ASSEMBLY, SHIFT (LONG SHAFT)
15	53-22899	RING, RETAINING - SHIFT SHAFT
16	23-30676A1	BUSHING ASSEMBLY, SHIFT SHAFT
17	25-26802	"O" RING, SHIFT SHAFT BUSHING
18	26-30696	OIL SEAL, SHIFT SHAFT BUSHING
19	10-39149	SCREW, SHIFT SHAFT BUSHING
20	43-98696	GEAR, PINION
21	14-30377	TAB WASHER, PINION GEAR TO DRIVE SHAFT SCREW
22	10-30376	SCREW, PINION GEAR TO DRIVE SHAFT
23	45-75033	DRIVE SHAFT (LONG SHAFT)
24	15-30527A1	SHIM ASSEMBLY, BALL BEARING TO GEAR HOUSING Comment: (.002-3-5-10)
25	30-70944	BEARING, BALL - DRIVE SHAFT
26	53-30523	RING, RETAINING - BALL BEARING TO DRIVE SHAFT
27	15-30527A1	SHIM ASSEMBLY, BALL BEARING TO GEAR HOUSING Comment: (.002-3-5-10)
28	46-70941T01	WATER PUMP HOUSING ASSEMBLY
29	25-29439	"O" RING, WATER PUMP HOUSING
30	26-30900T	OIL SEAL, WATER PUMP HOUSING
31	26-33613	SEAL, WATER INTAKE TUBE
32	32-34293	TUBE, WATER INTAKE
33	70977T	INSERT, WATER PUMP HOUSING
34	28-8M0032835	KEY, IMPELLER DRIVE
35	47-89981	IMPELLER, WATER PUMP
36	46895	PLATE, FACE - WATER PUMP HOUSING TO Comment: WATER PUMP COVER
37	93224A1	WATER PUMP COVER ASSEMBLY
38	26-36558	SEAL, WATER PUMP COVER
39	23-13127	WASHER, NYLON - WATER PUMP COVER
40	26-30913	OIL SEAL, WATER PUMP COVER
41	12-20533	WASHER, WATER PUMP HOUSING AND COVER STUDS
42	11-35888	NUT, WATER PUMP HOUSING AND COVER STUDS
43	25-30526	RING, RUBBER - CENTRIFUGAL SLINGER Comment: (DRIVE SHAFT)
44	23-31792T	SLEEVE, GUIDE - WATER INLET TUBE

▶GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 2) (27 parts)

Ref	OEM Part #	Part Name
-	1630-7360A13	GEAR HOUSING ASS'Y- COMP.(LONG SHAFT) Comment: MACHINED FOR ANODE KIT
--	12-79553	WASHER, PROPELLER SHAFT
1	1630-7360A11	GEAR HOUSING ASS'Y - MACHINED FOR ANODE KIT
46	44434	CAM, SHIFT
47	31334	FOLLOWER, SHIFT CAM
48	24-76298	SPRING, COMPRESSION - CAM FOLLOWER
49	15-30522A1	SHIM ASSEMBLY, BALL BEARING TO HOUSING Comment: (.002-3-5-10)
50	30-21889	BEARING, BALL - FORWARD GEAR
51	43-48577A3	FORWARD GEAR
52	31-22458	BEARING, ROLLER - FORWARD GEAR
53	52-63314	RATCHET, SLIDING CLUTCH
54	53-32449	RING, RETAINING - CROSS PIN
55	17-30535	PIN, CROSS - RATCHET TO PROPELLER SHAFT
56	44-75667A2	SHAFT ASSEMBLY, PROPELLER
57	43-63316	REVERSE GEAR
58	71479	SLEEVE, THRUST - REVERSE GEAR
59	30-21889	BEARING, BALL - REVERSE GEAR
60	15-30532A1	SHIM ASSEMBLY, THRUST WASHER TO HOUSING Comment: (.002-3-5-10)
61	25-30529	"O" RING, BEARING CARRIER
62	72673T1	BEARING CARRIER ASSEMBLY
63	31-22458	BEARING, ROLLER - BEARING CARRIER
64	26-66022	OIL SEAL, BEARING CARRIER
66	86236	COVER, GEAR HOUSING
67	86665A1	COLLAR, PROPELLER GUIDE
68	48-65012A1	PROPELLER ASS'Y, 8 3/4" DIA., 7" PITCH, 3 BLADES Comment: (NYLON)
69	11-64075A1	SPACER, PROPELLER SHAFT Comment: (PART OF PROPELLER SHAFT ASSEMBLY)
70	11-64075A1	NUT, PROPELLER

▶IGNITION COMPONENTS (17 parts)

Ref	OEM Part #	Part Name
1	339-5209A9	STATOR ASSEMBLY
2	10-66707	SCREW, STATOR TO END CAP (7/8")
3	10-35400	SCREW, STATOR TO END CAP (3/8")
4	339-6120A1	COIL ASSEMBLY (1 3/4" AND 3 1/2" LEADS)
5	54-59538	CLIP, COIL RETAINING
6	54-65927	CLIP, COIL RETAINING
7	86-85365	TERMINAL BLOCK, STATOR
8	10-38055	SCREW, TERMINAL BLOCK TO STATOR (5/8")
9	11-46438	NUT, TERMINAL BLOCK SCREW
11	338-7283A3	TRIGGER HOUSING ASSEMBLY
14	42501	LINK, TRIGGER HOUSING TO THROTTLE LEVER
15	11-65110	NUT, PUSH - LINK TO TRIGGER HOUSING
16	339-6222A10	SWITCH BOX
17	10-69022	SCREW, SWITCH ATTACHING (1/2")
18	12-8M0204666	WASHER, SWITCH BOX ATTACHING SCREW
19	61990	STA-STRAP
20	10-45218	SCREW, GROUND LEAD TO CYLINDER BLOCK

▶PISTON AND CONNECTING ROD ASSEMBLY (9 parts)

Ref	OEM Part #	Part Name
1	608-7395A2	CONNECTING ROD ASSEMBLY
2	10-87374	SCREW, CONNECTING ROD
3	29-26815	BEARING, NEEDLE - CRANKPIN
4	11-20061	NUT, CONNECTING ROD SCREW
5	12-65967	WASHER, NEEDLE BEARING RETAINING
6	29-31505	BEARING, NEEDLE - PISTON PIN
7	719-7391T3	PISTON AND PISTON PIN ASSEMBLY
8	40-21666	LOCK RING, PISTON PIN
9	39-21665A12	RING, PISTON

▶SHIFT CONTROL LINKAGE (16 parts)

Ref	OEM Part #	Part Name
1	93730T	HANDLE, SHIFT CONTROL (ELECTRIC)
2	12-8M0204649	WASHER, SHIFT CONTROL SHAFT
3	11-826709109	NUT, SHIFT HANDLE TO SHIFT CONTROL SHAFT
4	23-66375	BUSHING, NYLON - SHIFT CONTROL SHAFT
5	74350	LEVER, SHIFT CONTROL (REMOTE)
6	17-25905	PIN, SHIFT LEVER TO SHIFT CONTROL SHAFT
7	66379	SHAFT, SHIFT CONTROL
8	43-66377	GEAR, SECTOR - SHIFT CONTROL SHAFT (HORIZONTAL)
9	12-8M0204649	WASHER, SHIFT CONTROL SHAFT
10	11-8267089	NUT, SECTOR GEAR TO SHIFT CONTROL SHAFT
11	24-39627	SPRING, DETENT - SHIFT CONTROL LEVER
12	39601	PLATE, DETENT SPRING
13	10-25764	SCREW, PLATE AND SPRING TO ADAPTOR PLATE Comment: (1/2")
14	23-27132	BUSHING, NYLON - UPPER SHIFT SHAFT
15	43-86686A1	GEAR, SECTOR - SHIFT SHAFT
16	71660	SHIFT SHAFT

▶STEERING HANDLE ASSEMBLY (20 parts)

Ref	OEM Part #	Part Name
-	60850A6	STEERING HANDLE ASSEMBLY, COMPLETE
1	60854	GRIP, HANDLE
2	62251	CAP, HANDLE
3	66393	SHAFT, THROTTLE
4	66394A1	HANDLE, THROTTLE SHAFT
5	17-46152	PIN, STEERING HANDLE
6	12-62252	WASHER, THROTTLE HANDLE TO STEERING ARM
7	60850	ARM, STEERING HANDLE
8	43-60852	GEAR, BALL - THROTTLE SHAFT
9	17-27088	PIN, BALL GEAR GO THROTTLE SHAFT
10	48003	PIVOT, STEERING HANDLE TO BRACKET
11	15-48002015	SHIM, STEERING HANDLE PIVOT TO BRACKET (.015)
12	10-64074	SCREW, STEERING HANDLE TO ARM BRACKET (5/8")
13	60857A2	UNIVERSAL JOINT ASSEMBLY
14	43-60852	GEAR, BALL - UNIVERSAL JOINT
15	17-77564	PIN, BALL GEAR TO UNIVERSAL JOINT
16	96130A1	BRACKET ASSEMBLY, STEERING ARM
17	10-62233	SCREW Comment: DETENT SPRING TO STEERING ARM BRACKET (5/8")
18	24-72847	SPRING, DETENT - STEERING HANDLE
19	10-78038	SCREW, STEERING ARM BRACKET TO SADDLE

▶SWIVEL BRACKET ASSEMBLY (29 parts)

Ref	OEM Part #	Part Name
1	1471-7324A1	SWIVEL BRACKET ASSEMBLY
2	22-8M0169589	FITTING, GREASE - SWIVEL BRACKET
4	23-64028	BUSHING, SWIVEL BRACKET
5	23-26841	BUSHING, NYLON - REVERSE LOCK LEVER ROD
6	71419	ROD, REVERSE LOCK TO SWIVEL BRACKET
7	18-45882	COTTER PIN, REVERSE LOCK LEVER TO ROD
8	63628T	LEVER, REVERSE LOCK
9	61007	RETAINER, ROD - REVERSE LOCK
10	63559T	BRACKET, TROLL
11	24-63630	SPRING, EXTENSION - TROLL BRACKET
12	63551	GUIDE, SPRING
13	17-25319	ROLL PIN, SPRING GUIDE
14	79744	LEVER, CONTROL - TROLL BRACKET
15	13-63631	WASHER, WAVE - TROLL BRACKET LEVER
16	66559	TUBE, SWIVEL BRACKET TO SADDLE
17	77334	CO-PILOT DISC
18	10-78038	SCREW, CO-PILOT DISC TO SADDLE
20	20203	DISC, FRICTION Comment: CLAMP PLATE AND SWIVEL BRACKET
21	72845A1	PLATE ASSEMBLY, CLAMP - CO-PILOT
22	10-36154	SCREW, CLAMP PLATE ADJUSTING
23	12-35462	WASHER, CLAMP PLATE ADJUSTING SCREW
24	63310A1	LEVER ASSEMBLY, TILT STOP
25	10-41433	SCREW, TILT STOP LEVER
26	13-31030	WASHER, WAVE - LEVER ANCHOR SCREW
27	11-35888	NUT, TILT STOP LEVER SCREW
29	72794	STOP, REVERSE LOCK
30	10-71056	SCREW, REVERSE STOP TO SWIVEL BRACKET
31	13-26992	LOCKWASHER, REVERSE STOP SCREW
32	12-71055	WASHER, REVERSE STOP SCREW

▶THROTTLE CONTROL LINKAGE (15 parts)

Ref	OEM Part #	Part Name
1	43-60856	GEAR, HORIZONTAL - THROTTLE CONTROL SOCKET
2	60885T	HOUSING, THROTTLE CONTROL
3	10-69069	SCREW Comment: THROTTLE CONTROL HOUSING TO BOTTOM COWL (3/4")
4	63308A1	FOLLOWER ASSEMBLY, NEUTRAL SPEED LIMITER
5	10-20653	SCREW, LIMITER FOLLOWER TO BOTTOM COWL Comment: (1 1/8")
6	12-8M0204649	WASHER, SPEED LIMITER FOLLOWER SCREW
6A	24-39042	SPRING, NEUTRAL SPEED LIMITER FOLLOWER
7	23-63320	BUSHING, SPEED LIMITER FOLLOWER SCREW
8	36017	STOP, NEUTRAL SPEED LIMITER
9	10-28710	SCREW Comment: NEUTRAL SPEED LIMITER SOTP TO FOLLOWER (5/8")
10	12-24676	WASHER, NEUTRAL SPEED LIMITER STOP SCREW
11	43-60858	GEAR, THROTTLE CONTROL
12	15-64653A1	SHIM ASSEMBLY, GEAR AND SHAFT (LOWER)
13	66374A2	LEVER ASSEMBLY, THROTTLE CONTROL
14	17-76207	PIN, ROLL Comment: THROTTLE CONTROL LEVER TO CONTROL SHAFT

▶TOP COWL AND STARTER ASSEMBLY (48 parts)

Ref	OEM Part #	Part Name
1	2160-7264A10	TOP COWL ASSEMBLY
2	654893	SEAL, TOP COWL (16 1/2")
3	66942	BLANKET, TOP COWL - TOP
4	85544	BLANKET, TOP COWL - SIDE
5	69522	BLANKET, TOP COWL - FRONT
6	25-39086	GROMMET, COWL LATCH - TOP COWL
7	71502	COVER, FRONT
8	11-65517	NUT, SPEED - FRONT COVER TO COWL
9	69346	BUMPER, COWL - REAR
10	17-72856	PIN, TOP COWL CATCH
11	12-65567	WASHER, TOP COWL CATCH (LOWER)
11A	12-35280	WASHER, TOP COWL CATCH (UPPER)
12	24-79351	SPRING, COMPRESSION - COWL CATCH
13	11-8M0207775	NUT, COWL CATCH TO TOP COWL
14	91871A1	STARTER HOUSING ASSEMBLY
15	77859	INSERT, ROPE GUIDE - STARTER HOUSING
15A	77860	RING, RETAINING - ROPE GUIDE INSERT
16	654991	SEAL, STARTER HOUSING TO TOP COWL
17	1395-7262	SCREW, STARTER HOUSING TO CRANKCASE (1")
18	55860	PULLEY, STARTER CABLE
19	10-28789	SCREW, CABLE PULLEY TO STARTER HOUSING Comment: (3/4")
20	12-22887	WASHER, CABLE PULLEY SCREW
21	23-309772	SPACER, CABLE PULLEY
22	14-20165	TAB WASHER, SHEAVE SHAFF NUT
23	11-20166	NUT, SHEAVE SHAFT (LEFT HAND THREAD)
24	20155	RETAINER, STARTER SPRING
25	24-29340T02	SPRING, STARTER REWIND
26	23-28912	BUSHING, STARTER SPRING GUIDE
27	50-93696A2	STARTER SHEAVE ASSEMBLY
28	17-22896	PIN, RETAINER - STARTER CABLE
29	74359	SHAFT, INTERLOCK
30	74353	LEVER, LOCK
31	74351	LEVER, FOLLOWER
32	17-38489	ROLL PIN, INTERLOCK SHAFT
33	23-26856	BUSHING, NYLON - INTERLOCK SHAFT
34	24-74347	SPRING, TORSION - INTERLOCK SHAFT
35	13-36206	WASHER, WAVE - STARTER PAWL
36	30596	PAWL, STARTER
37	23-28919	BUSHING, NYLON - SHEAVE SHAFT SPACER
38	23-61005	SPACER, SHEAVE SHAFT
39	26179	RETAINER, SHEAVE SHAFT TO STARTER SHEAVE
40	12-35559	WASHER, SHEAVE SHAFT RETAINER
41	13-20160	WASHER, WAVE - RETAINER TENSION
42	30595	PLATE, RETAINER - STARTER PAWL
43	35558	SHAFT, SHEAVE
44	50-12066Q10	STARTER CABLE ASSEMBLY
45	77998	HANDLE, STARTER CABLE
46	79470A1	RETAINER ASSEMBLY Comment: STARTER CABLE AND HANDLE

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 75 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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