Mercury 200 (3226958 THRU 3537530) Parts & Diagrams

🔎 Mercury 200 Reference Library — Exploded parts diagrams (19 diagrams), specifications, common issues, and maintenance checklist.

The Mercury 200 is a 4-Stroke, V6 64-degree, DOHC, 24-valve outboard motor. A popular choice for small fishing boats, inflatable RIBs, and sailboat auxiliaries.

Quick Reference Specifications

Specification	Value
Engine Type	4-Stroke, V6 64-degree, DOHC, 24-valve
Horsepower	20 HP
Displacement	3400 cc (3.4L / 209 CID)
Bore x Stroke	93.3 mm x 83.3 mm
Spark Plug (Type & Gap)	NGK LKAR7C-9
Engine Oil Capacity	6.6 L (7.0 qt)
Recommended Engine Oil	Mercury FourStroke Oil 25W-40
Gear Case Oil Capacity	26 oz
Idle Speed (in gear)	600 ± 50 RPM (in gear)
Full Throttle RPM Range	5500-6000
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 200:

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 200.

▶BOTTOM COWL ASSEMBLY (30 parts)

Ref	OEM Part #	Part Name
1	58978A2	PLATE ASSEMBLY, MOUNTING
2	23-86215	WASHER, NYLON - WATER INLET TUBE
3	26-25329	SEAL, RUBBER - WATER INLET TUBE
4	33513	RETAINER, WATER INLET TUBE SEAL
5	10-20540	SCREW, TETAINER TO MOUNTING PLATE (5/8")
6	27-39401	GASKET, POWERHEAD TO MOUNTING PLATE
7	39622	SEAL, MOUNTING PLATE TO BOTTOM COWL
8	27-39402	GASKET, MOUNTING PLATE TO DRIVE SHAFT HOUSING
9	2129-6416A2	BOTTOM COWL ASSEMBLY
10	48472	COVER, HARNESS HOLE
11	10-61802	SCREW, COVER TO BOTTOM COWL (7/8")
12	46266A2	COVER PLATE ASSEMBLY, BOTTOM COWL
13	39591	PAD, SOUND - COVER PLATE
14	10-62568	SCREW, COVER PLATE TO BOTTOM COWL (3/8")
15	39630	CUSHION, RUBBER - BOTTOM COWL
16	60886	BOOT, THROTTLE CABLE - BOTTOM COWL
17	39778	BOOT, FUEL ADAPTOR - BOTTOM COWL
18	39780	BOOT, SHIFT CABLE - BOTTOM COWL
19	39058	SEAL, SHIFT HANDLE - BOTTOM COWL
20	32-8M0108355	HOSE, TELL TALE - COWL TO CYLINDER BLOCK (11")
21	39180	ELBOW, TELL TALE HOSE TO CYLINDER BLOCK C-22-25885 IS PART O Comment: C-22-25885 IS PART OF CYLINDER BLOCK AND CRANKCASE ASSEMBLY
22	52889	NOZZLE, TELL TALE HOSE TO BOTTOM COWL S Comment: PART OF BOTTOM COWL ASSEMBLY
23	10-35519	SCREW, TELL TALE NOZZLE TO BOTTOM COWL (1/2") Comment: PART OF BOTTOM COWL ASSEMBLY
24	59065A1	STOP SWITCH ASSEMBLY
25	12-59061	WASHER, STATOR LEAD TO STOP SWITCH
26	13-21972	LOCKWASHER, STOP SWITCH CONNECTOR
27	11-21971	NUT, STOP SWITCH TO BOTTOM COWL
28	38950A1	COVER ASSEMBLY, STOP SWITCH
29	13-26996	LOCKWASHER, STATOR LEAD NUT
30	11-68219	NUT, STATOR LEAD TO STOP SWITCH

▶CARBURETOR ASSEMBLY (22 parts)

Ref	OEM Part #	Part Name
1	1343-4183	CARBURETOR ASSEMBLY, COMPLETE (KA-25A)
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 SCREW
14	1399-3938	SCREEN, FILTER
16	1399-1135	COVER, STRAINER
18	10-25822	>SCREW, STRAINER COVER
19	1395-6027	SCREW, THROTTLE CLUSTER
20	46387	>CLUSTER< THROTTLE
21	1399-2012	SHAFT, THROTTLE
25	1399-3032	>SHUTTER, THROTTLE
28	10-28845	SCREW, PLUG - BODY CHANNEL
30	10-23178	SCREW, PLUG - MAIN NOZZLE
31	1399-1655	JET, MAIN FUEL (.055)
34	10-28405	SCREW, PLUG - MAIN FUEL JET CHANNEL
35	1399-1713	SCREW, IDLE ADJUSTMENT
36	1395-92621	REPAIR PARTS KIT
37	27-31402	GASKET, CARBURETOR FLANGE
38	11-22053	NUT, CARBURETOR MOUNTING SUTDS

▶CARBURETOR CHOKE LINKAGE (11 parts)

Ref	OEM Part #	Part Name
1	47932	KNOB AND SHAFT, CHOKE
2	12-30314	WASHER, NYLON - CHOKE KNOW AND SHAFT
3	24-47968	SPRING, TENSION - CHOKE KNOB AND SHAFT
4	47933	LEVER, CHOKE SHUTTER
5	61105A1	SHUTTER, CHOKE - CARBURETOR
6	24-61106	SPRING, TORSION - CHOKE SHUTTER TENSION
7	16-53050	STUD, CHOKE SHUTTER TO CARBURETOR (1 1/2")
8	11-20110	NUT, CHOKE SHUTTER STUD
9	35-53596	SCREEN, FILTER - CARBURETOR
10	16-69037	STUD, CARBURETOR SCREEN TO CARBURETOR (1 1/16")
11	11-20110	NUT, CARBURETOR SCREEN STUD

▶CLAMP AND SWIVEL BRACKET ASSEMBLY (39 parts)

Ref	OEM Part #	Part Name
1	1427-5632A3	CLAMP BRACKET ASSEMBLY
2	22477A4	THUMB SCREW ASSEMBLY
3	12-26227	WASHER, THUMB SCREW
4	74249	TILT TUBE, CLAMP BRACKET TO SWIVEL BRACKET
5	12-52864	SHIM, CLAMP BRACKET TILT TUBE
6	11-858869	NUT, TILT TUBE FASTENING
7	10-26483	BOLT, CLAMP BRACKET TO TRANSOM (2 3/4")
8	12-67981	WASHER, CLAMP BRACKET SCREW
9	11-8M0204646	NUT, CLAMP BRACKET SCREW
10	17-56373A2	TILT LOCK PIN ASSEMBLY
11	16-59620	STUD, CLAMP BRACKET (8")
12	23-59621T	SPACER, CLAMP BRACKET STUD
13	13-8M0204647	LOCKWASHER, CLAMP BRACKET STUD
14	11-28770	NUT, CLAMP BRACKET STUD
15	17-39585	SWIVEL PIN
16	33423	CO-PILOT DISC
17	10-26132	SCREW, CO-PILOT DISC TO SADDLE (2 1/2")
18	11-29250	NUT, CO-PILOT DISC TO SADDLE SCREW
19	1461-6667A1	SWIVEL BRACKET ASSEMBLY Comment: SERIAL 03312950-09999999
20	25-8M0204650	"O" RING, SWIVEL BRACKET Comment: SERIAL 03312950-09999999
21	22-8M0169589	FITTING, GREASE Comment: SERIAL 03312950-09999999
22	19-77633Q	LUBRICAP, SWIVEL BRACKET GREASE FITTING Comment: SERIAL 03312950-09999999
23	73014A1	PLATE, CLAMP - CO-PILOT Comment: SERIAL 03312950-09999999
24	10-62055	SCREW, PLATE TO SWIVEL BRACKET (1 1/4") Comment: SERIAL 95033129-09999999
25	12-56720	WASHER, CLAMP PLATE SCREW Comment: SERIAL 03312950-09999999
26	20203	DISC, FRICTION - CLAMP PLATE AND SWIVEL BRACKET
27	38-56745	SERIAL PLATE
28	10-25612	SCREW, DRIVE - SERIAL PLATE TO SWIVEL BRACKET
29	63310A1	LEVER, TILT STOP
30	10-29237	SCREW, RETAINING - LEVER TO SWIVEL BRACKET
31	13-36076	WASHER, WAVE - TILT STOP LEVER SCREW
32	15-37711020	SHIM, RETAINING SCREW
33	11-8M0207775	NUT, TILT STOP LEVER SCREW
34	10-27791	SCREW, ANCHOR - TILT STOP LEVER
35	61012	LEVER, REVERSE LOCK
36	26092	ROD, REVERSE LOCK LEVER
37	23-26841	BUSHING, NYLON - REVERSE LOCK LEVER ROD
38	18-45882	COTTER PIN, REVERSE LOCK LEVER TO ROD
39	61007	RETAINER, ROD - REVERSE LOCK

▶CRANKSHAFT AND CENTER MAIN BEARING ASSEMBLY (12 parts)

Ref	OEM Part #	Part Name
1	415-4478	CRANKSHAFT
2	534-3267T25	CENTER MAIN BEARING ASSEMBLY
3	17-20032	DOWEL PIN, CENTER MAIN BEARING
4	17-65855	PIN, REED STOP
5	10-45775	SCREW, CENTER MAIN BEARING CLAMPING (9/16")
6	17-45574	NUT, CENTER MAIN BEARING CLAMPING SCREW
7	34-88498A1	REED SET, CENTER MAIN BEARING (MATCHED)
8	34-64632	REED STOP, MAIN BEARING REED VALVES
9	10-77280	SCREW, REED STOP MOUNTING (9/16")
10	11-20110	NUT, REED STOP MOUNTING SCREW
11	17-20032	DOWEL PIN, MAIN BEARING TO CYL BLOCK
12	28-20094	KEY, FLYWHEEL

▶CYLINDER BLOCK AND CRANKCASE ASSEMBLY (48 parts)

Ref	OEM Part #	Part Name
1	1147-4472A1	CRANKCASE TOP ASSEMBLY
2	25-20081	"O" RING, CRANKCASE TOP
3	30-63326T	BEARING, BALL - CRANKCASE TOP (UPPER)
4	31-20594	BEARING, ROLLER - CRANKCASE TOP (UPPER)
5	26-66300	OIL SEAL, CRANKCASE TOP (UPPER)
6	54-53557A1	CLIP ASSEMBLY, STATOR HOLD DOWN
7	24-34731	SPRING, STATOR HOLD DOWN
8	10-53852	SCREW, CLIP ASSEMBLY TO END CAP (5/8")
9	15-56191A1	SHIM, CRANKCASE TOP TO CYLINDER BLOCK (.002-3-5-10)
10	10-24786	SCREW, CRANKCASE TOP TO CYLINDER BLOCK (5/8")
11	13-20202	LOCKWASHER, CRANKCASE TOP TO CYLINDER BLOCK SCREW
12	848-6434A1	CYLINDER BLOCK AND CRANKCASE ASSEMBLY
13	17-23784	PIN, DOWEL - CRANKCASE TO CYLINDER BLOCK
14	16-65866	STUD, CRANKCASE TO CYLINDER BLOCK (1 5/16")
15	11-29250	NUT, CRANKCASE STUD
16	16-65868	STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (2 1/8")
17	16-68165	STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (1 5/8")
18	16-68165	STUD, CRANKCASE TO DRIVE SHAFT HOUSING (1 5/8")
19	16-65865	STUD, CARBURETOR TO CRANKCASE (1 3/32")
20	10-26066	SCREW, CRANKCASE TO CYLINDER BLOCK (1 1/4")
21	10-21449	SCREW, CRANKCASE TO CYLINDER BLOCK (2")
22	10-26132	SCREW, CRANKCASE TO CYLINDER BLOCK (2 1/2")
23	11-29250	NUT, CRANKCASE SCREW
24	10-98260	SCREW, LOCK - CENTER MAIN BEARING (5/8")
25	14-20091	TAB WASHER, CENTER MAIN BEARING LOCK SCREW
26	22-61295A5	ELBOW ASSEMBLY, BLEED DRAIN PART OF CYLINDER BLOCK AND CRANK Comment: PART OF CYLINDER BLOCK AND CRANKCASE ASSEMBLY
27	21-42657A3	CHECK VALVE ASSEMBLY Comment: PART OF CYLINDER BLOCK AND CRANKCASE ASSEMBLY
28	32-892024122	HOSE, BLEED DRAIN Comment: PART OF CYLINDER BLOCK AND CRANKCASE ASSEMBLY
29	54-56223	CLAMP, BLEED HOSE ATTACHING Comment: PART OF CYLINDER BLOCK AND CRANKCASE ASSEMBLY
30	22-61559	TEE, INJECTION Comment: PART OF CYLINDER BLOCK AND CRANKCASE ASSEMBLY
31	22-78915	ELBOW, BLEED DRAIN Comment: PART OF CYLINDER BLOCK AND CRANKCASE ASSEMBLY
32	77362	COVER, TRANSFER PORT
33	27-279361	GASKET, TRANSFER PORT COVER
34	10-24646	SCREW, TRANSFER PORT COVER TO CYLINDER BLOCK (5/8")
35	1022-3567	COVER, CYLINDER BLOCK
36	27-78410	GASKET, CYLINDER BLOCK COVER
37	10-24644	SCREW< COVER TO CYLINDER BLOCK (1 3/8")
38	10-21091	SCREW, COVER TO CYLINDER BLOCK (1 1/8')
39	11-8M0207775	NUT, CYLINDER BLOCK COVER SCREW
40	27-78411	GASKET, CYLINDER BLOCK TO BAFFLE PLATE
41	39308	PLATE, BAFFLE - EXHAUST MANIFOLD
42	27-78409	GASKET, BAFFLE PLATE TO MANIFOLD COVER
43	88797	COVER, EXHAUST MANIFOLD
44	10-28782	SCREW, MANIFOLD COVER TO CYLINDER BLOCK (7/8")
45	30-63326T	BEARING, BALL - CRANKCASE (LOWER)
46	26-8M0214939	OIL SEAL, CRANKCASE (LOWER)
47	56757A2	GROUND WIRE ASSEMBLY, EXHAUST COVER TO BOTTOM COWL
48	10-62568	SCREW, GROUND LEAD TO EXHAUST COVER (3/8")

▶DRIVE SHAFT HOUSING ASSEMBLY (31 parts)

Ref	OEM Part #	Part Name
1	1560-7679A3	DRIVE SHAFT HOUSING ASSEMBLY (LONG SHAFT)
2	16-66373	STUD, DRIVE SHAFT HSG. TO GEAR HSG. (2 5/16")
3	16-58134	STUD, DRIVE SHAFT HSG. TO GEAR HSG. (3 15/16")
4	19-32298	PLUG, DRIVE SHAFT HOUSING STUD
5	11-82670911	NUT, DRIVE SHAFT HOUSING STUD
6	11-8M0204726	NUT, GEAR HOUSING TO DRIVE SHAFT HOUSING SUTD
7	32-39587	TUBE, WATER OUTLET (LONG SHAFT)
8	39301	COVER, TRIM - DRIVE SHAFT HOUSING
9	10-35012	SCREW, TRIM COVER TO BOTTOM COWL (5/8")
10	39353	SEAL, RUBBER - TRIM COVER
11	27-39402	GASKET, MOUNTING PLATE TO DRIVE SHAFT HOUSING
12	39492	PLATE, IDLE RELIEF
13	10-35519	SCREW, IDLE RELIEF PLATE TO DRIVE SHAFT HOUSING (1/2")
14	32-45054	TUBE, NYLON - IDLE RELIEF TUBE
15	25-201951	"O" RING, IDLE RELIEF TUBE
16	11-29250	NUT, POWERHEAD STUDS
17	33420	BUMPER, RUBBER -SADDLE
18	10-31716	SCREW, RUBBER BUMPER TO SADDLE (5/8")
19	13-26992	LOCKWASHER, RUBBER BUMPER SCREW
20	1562-7098A1	SADDLE
21	85002	MOUNT, RUBBER - UPPER (LONG SHAFT)
22	53-23720	RING, RETAINING - UPPER MOUNT
23	79947A1	MOUNT, RUBBER - LOWER (LONG SHAFT)
24	53-8M0051043	RING, RETAINING - LOWER MOUNT
25	70317	COVER, LOWER MOUNT
26	10-28638	SCREW, LOWER MOUNT COVER FASTENING (3/4")
27	76536	LINK ROD, REVERSE LOCK
28	10-65414	SCREW, CAM RETAINER TO DRIVE SHAFT HOUSING (3/4")
29	13-26992	LOCKWASHER, CAM RETAINER SCREW
30	65216	CAM, REVERSE LOCK
31	72007	RETAINER, REVERSE LOCK CAM

▶FLYWHEEL AND IGNITION COIL (20 parts)

Ref	OEM Part #	Part Name
1	237-4474A1	FLYWHEEL ASSEMBLY
2	50-33000A1	RATCHET ASSEMBLY, FLYWHEEL
3	10-35563	SCREW, RATCHET TO FLYWHEEL (9/16")
4	10-32417	SCREW, RATCHET TO FLYWHEEL (5/8")
5	13-26992	LOCKWASHER, RATCHET SCREW
6	28-20094	KEY, FLYWHEEL DRIVE
7	25-37340	"O" RING, FLYWHEEL NUT
8	12-36281	WASHER, FLYWHEEL NUT
9	11-8M0214915	NUT, FLYWHEEL
10	336-4528T2	COIL ASSEMBLY, IGNITION
11	13-26996	LOCKWASHER, IGNITION COIL TERMINAL
12	11-45076	NUT, IGNITION COIL TERMINAL
13	66355	COVER, IGNITION COIL
14	10-61531	SCREW, COIL COVER TO REAR SUPPORT BRACKET (3 3/4")
15	11-20110	NUT, COIL COVER SCREW
16	54676	RETAINER, HIGH TENSION LEAD
17	84-813715A1	LEAD ASSEMBLY, HIGH TENSION
18	332-2854T01	NIPPLE, IGNITION COIL
19	85-63709A1	PROTECTOR ASSEMBLY, SPARK PLUG
20	33-896329833	SPARK PLUG (AC#40FFK)

▶FUEL PUMP AND FUEL LINE ASSEMBLY (26 parts)

Ref	OEM Part #	Part Name
1	89977A1	FUEL PUMP ASSEMBLY
2	21-30430A2	CHECK VALVE ASSEMBLY
3	53245A1	DIAPHRAGM KIT, FUEL PUMP
6	53241	BASE, FUEL PUMP
7	61541	COVER, FUEL PUMP
8	10-32627	SCREW, FUEL PUMP TO BASE (1 1/2")
9	12-847883	WASHER, FUEL PUMP SCREWS
10	32-54429	FUEL LINE, FUEL PUMP TO CARBURETOR (6 1/2')
11	53544	BRACKET, FUEL PUMP TO CRANKCASE
12	10-29200	SCREW, BRACKET TO FUEL PUMP (5/8")
13	10-45862	SCREW, FUEL PUMP BRACKET TO CRANKCASE (7/8")
14	11-46438	NUT, FUEL PUMP BRACKET SCREW
15	22-22995	FITTING, INLET - FUEL PUMP
16	22-22946	SLEEVE, RUBBER - FUEL PUMP INLET FITTING
17	22-22948	NUT, FUEL PUMP INLET FITTING
18	32-48019	FUEL LINE, INLET - ADAPTOR TO FUEL PUMP
19	30188	CUP WASHER, ADAPTOR
20	24-23067T	SPRING, ADAPTOR STEM
21	25-16524	"O" RING, ADAPTOR STEM
22	23069	STEM, CHECK UNIT ADAPTOR
23	22833	ADAPTOR, CHECK UNIT
24	10-22968	SCREW, CHECK UNIT ADAPTOR TO BOTTOM COWL (2 1/2")
25	32-9912688	HOSE, FUEL PUMP TO CYLINDER BLOCK (2 1/2")
26	22-53553	ELBOW, HOSE TO CYLINDER BLOCK (45)
27	54-20387	CLAMP, FUEL PUMP HOSE TO ELBOWS
28	22-54090	ELBOW, HOSE TO FUEL PUMP (90)

▶GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 1) (49 parts)

Ref	OEM Part #	Part Name
1	1627-6006A5	GEAR HOUSING ASSEMBLY
2	17-20201	PIN, DOWEL - GEAR HOUSING TO DRIVE SHAFT HOUSING
3	16-58137	STUD, WATER PUMP TO GEAR HOUSING (3 1/8")
4	16-58135	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (4 13/16")
5	31-28157	BEARING, ROLLER - DRIVE SHAFT
6	45-93301A1	DRIVE SHAFT ASSEMBLY (LONG SHAFT)
7	14-49911	TAB WASHER, PINION GEAR SCREW
8	10-49908	SCREW, PINION GEAR TO DRIVE SHAFT (3/4")
9	43-45189	GEAR, PINION
10	10-79953Q04	SCREW, GREASE FILLER (1/4")
11	12-191833	WASHER, GREASE FILLER SCREW
12	19-48750	PLUG, GEAR HOUSING FLUSHING
13	12-8M0204663	WASHER, NEOPRENE - GEAR HOUSING FLUSHING PLUG
14	10-28653	SCREW, GREASE VENT (1/4")
15	19643	WASHER, GREASE VENT SCREW
16	56830A1	SHAFT ASSEMBLY, SHIFT - LOWER (LONG SHAFT)
17	25-38933	"O" RING, LOWER SHIFT SHAFT
18	53-22899	RING, RETAINING - SHIFT SHAFT
19	23-30676A1	BUSHING ASSEMBLY, SHIFT SHAFT
20	25-26802	"O" RING, SHIFT SHAFT BUSHING
21	26-30696	OIL SEAL, SHIFT SHAFT BUSHING
22	10-39149	SCREW, SHIFT SHAFT BUSHING RETAINER (1/2")
23	15-20804A1	SHIM, BALL BEARING TO GEAR HOUSING (.002-3-5-10)
24	30-69389	BEARING, BALL - DRIVE SHAFT
25	53-33463	RING, RETAINING - BALL BEARING
26	15-20804A1	SHIM, GEAR HOUSING TO WATER PUMP BASE (.002-3-5-10)
27	27-39626	GASKET, WATER PUMP BASE TO GEAR HOUSING
28	25-33466	"O" RING, WATER PUMP BASE
29	46-48744A1	WATER PUMP BASE
30	26-20070	OIL SEAL, WATER PUMP BASE
31	26-897154	OIL SEAL, WATER PUMP BASE (SPRING LOADED)
32	17-35973	PIN, DOWEL - WATER PUMP BASE TO WATER PUMP BODY
33	27-39625	GASKET, WATER PUMP BASE TO FACE PLATE (LOWER)
34	39624	PLATE, FACE - WATER PUMP BASE TO WATER PUMP BODY
35	27-396231	GASKET, FACE PLATE TO WATER PUMP BODY (UPPER)
36	47-89982	IMPELLER, WATER PUMP PART OF DRIVE SHAFT ASSEMBLY Comment: PART OF DRIVE SHAFT ASSEMBLY
37	28-56661	KEY, IMPELLER DRIVE PART OF DRIVE SHAFT ASSEMBLY Comment: PART OF DRIVE SHAFT ASSEMBLY
38	46-87458A2	WATER PUMP BODY ASSEMBLY
39	48754	INSERT, PUMP BODY
40	26-20070	OIL SEAL, WATER PUMP BODY
41	23-86215	WASHER, NYLON - WATER PUMP BODY
42	26-25329	SEAL, WATER PUMP BODY
43	45010	RETAINER, WATER PUMP BODY SEAL
44	10-455611	SCREW, SEAL RETAINER TO WATER PUMP BODY (1 1/8")
45	23-45170	SLEEVE, GUIDE - WATER INLET TUBE
46	12-36001	WASHER, WATER PUMP STUDS
47	11-826709111	NUT, WATER PUMP STUDS
48	12-20684	RING, RUBBER - CENTRIFUGAL SLINGER (DRIVE SHAFT)
49	25-26802	"O" RING, UPPER - DRIVE SHAFT

▶GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 2) (28 parts)

Ref	OEM Part #	Part Name
50	58975	CAM, SHIFT
51	33438	FOLLOWER, CAM
52	24-88435	SPRING, CAM FOLLOWER
53	97-47820A1	PLATE ASSEMBLY, ANADOC - GEAR HOUSING
54	10-47819	SCREW, ANODIC PLATE TO GEAR HOUSING (1 1/4")
55	30-25398
56	30-25398	BEARING, BALL - FORWARD GEAR
57	43-45227A5	FORWARD GEAR ASSEMBLY
58	31-28157	BEARING, ROLLER - FORWARD GEAR
59	52-53518A1	RATCHET ASSEMBLY, SLIDING CLUTCH
60	17-53372	PIN, CROSS - RATCHET TO PROPELLER SHAFT
61	24-53373	SPRING, RETAINING - CROSS PIN
62	44-75366A2	PROPELLER SHAFT ASSEMBLY INCLUDES REF #74 ------ A-23-34237
63	43-45229	REVERSE GEAR ASSEMBLY
64	30-25398	BEARING, BALL - REVERSE GEAR
65	12-33434	WASHER, THRUST - REVERSE GEAR
66	15-33431A1	SHIM, THRUST WASHER TO GEAR HOUSING (.002-3-5-10)
67	25-8M0214925	"O" RING, BEARING CARRIER
68	33402T4	BEARING CARRIER ASSEMBLY
69	31-28157	BEARING, ROLLER - BEARING CARRIER
70	26-27163	OIL SEAL, BEARING CARRIER (SPRING LOADED)
71	26-26805	OIL SEAL, BEARING CARRIER
72	12-33432	WASHER, GEAR HOUSING COVER
73	33410	COVER, GEAR HOUSING
74	23-85964A1	COLLAR, GUIDE - PROPELLER SHAFT Comment: PART OF PROPELLER SHAFT ASSEMBLY
75	48-37316A1	PROPELLER ASSEMBLY (3 BLADE - ALUMINUM - 7" PITCH)
76	11-64075A1	SPACER, SPLINE - PROPELLER SHAFT
77	11-8M0204653	NUT, PROPELLER RETAINING

▶MISCELLANEOUS PARTS/ACCESSORIES (1 parts)

Ref	OEM Part #	Part Name
-	50-47216A2	ELECTRIC STARTER MOTOR ASSEMBLY

▶PISTON AND CONNECTING ROD ASSEMBLY (9 parts)

Ref	OEM Part #	Part Name
1	632-7621A3	CONNECTING ROD ASSEMBLY
2	10-45379	SCREW, CONNECTING ROD
3	29-20046T	BEARING, NEEDLE - CRANKPIN
4	11-20061	NUT, CONNECTION ROD SCREW
5	12-47275	WASHER, NEEDLE BEARING RETAINING
6	29-20063	BEARING, NEEDLE - PISTON PIN
7	780-9229A7	PISTON AND PISTON PIN ASSEMBLY
8	40-828119	LOCK RING, PISTON PIN
9	39-28616A12	RING, PISTON (.015 OVERSIZE) Comment: .015 OVERSIZE PISTONS AND RINGS

▶SHIFT CONTROL LINKAGE (31 parts)

Ref	OEM Part #	Part Name
1	59107	HANDLE, NYLON - SHIFT CONTROL
2	12-8M0204649	WASHER, SHIFT CONTROL HANDLE
3	11-826709109	NUT, SHIFT CONTROL HANDLE TO SHIFT SHAFT
4	64122	BRACKET, MOUNTING - SHIFT SHAFT
5	10-56500	SCREW, MOUNTING BRACKET TO POWERHEAD PLATE (1 1/4")
6	11-8M0207775	NUT, MOUNTING BRACKET SCREW
7	24-39627	SPRING, DETENT - MOUNTING BRACKET
8	39601	PLATE, DETENT SPRING
9	10-69022	SCREW, PLATE AND SPRING TO MOUNTING BRACKET (1/2")
10	23-30678	BUSHING, NYLON - SHIFT SHAFT
11	39588	CAM, DETENT - SHIFT SHAFT
12	17-25905	PIN, ROLL - DETENT CAM TO SHIFT SHAFT
13	13-36206	WASHER, WAVE - SHIFT SHAFT
14	39415	LEVER, SHIFT CONTROL
15	17-25905	PIN, ROLL - SHIFT CONTROL LEVER TO SHIFT SHAFT
16	39632	SHAFT< SHIFT (HORIZONTAL)
17	43-30802	GEAR, SECTOR - SHIFT SHAFT
18	12-8M0204649	WASHER< SHIFT SHAFT
19	11-8267089	NUT, SECTOR GEAR TO SHIFT SHAFT
20	61009A1	SHIFT CONTROL SHAFT ASSEMBLY, VERTICAL
21	43-58972	GEAR, SECTOR - SHIFT CONTROL SHAFT
22	23-30677	BUSHING, NYLON - SHIFT CONTROL SHAFT
23	58979	FOLLOWER, NEUTRAL SPEED LIMITER
24	10-24644	SCREW, FOLLOWER TO POWERHEAD MOUNTING PLATE (1 3/8")
25	15-28212	SHIM, LIMITER FOLLOWER SCREW
26	11-8M0207775	NUT, LIMITER FOLLOWER SCREW
27	24-39675	SPRING, NEUTRAL SPEED LIMITER FOLLOWER
28	10-62568	SCREW, SPRING TO LIMITER FOLLOWER (3/8")
29	72857	STOP, OVER-SPEED LIMITER
30	12-24676	WASHER, LIMITER STOP SCREW
31	10-35400	SCREW, LIMITER STOP TO FOLLOWER (7/16")

▶STARTER ASSEMBLY (39 parts)

Ref	OEM Part #	Part Name
1	75349A2	HOUSING ASSEMBLY, STARTER
2	10-37562	SCREW, STARTER HOUSING TO CYLINDER BLOCK (1")
3	13-8M0204647	LOCKWASHER< STARTER HOUSING TO CYLINDER BLOCK SCREW
4	10-22659	SCREW, STARTER HOUSING TO CRANKCASE (1 5/8")
5	11-8267089	NUT, STARTER HOUSING TO CRANKCASE SCREW
6	47430	BUMPER, RUBBER - STARTER HOUSING
7	55860	PULLEY, STARTER CABLE
8	10-37892	SCREW, PULLEY TO STARTER HOUSING (1")
9	94121	RETAINER, PULLEY SCREW
10	23-309772	SPACER, PULLEY SCREW
11	11-20110	NUT, PULLEY SCREW
12	14-20165	TAB WASHER, SHEAVE SHAFT NUT
13	11-20166	NUT, SHEAVE SHAFT (LEFT HAND THREAD)
14	20155	RETAINER, STARTER SPRING
15	24-29340T02	SPRING, STARTER REWIND
16	23-20159	BUSHING, SPRING GUIDE
17	50-64008A1	STARTER SHEAVE ASSEMBLY
18	13-29720	WASHER, WAVE - STARTER PAWL
19	20162	PAUL, STARTER
20	23-65720	SPACER, SHEAVE SHAFT
21	26179	RETAINER, STARTER SHEAVE TO PLATE
22	12-35559	WASHER, STARTER SHEAVE RETAINER
23	13-20160	WASHER, WAVE - STARTER SHEAVE TENSION
24	20164	PLATE< RETAINER - STARTER PAWL
25	24-45823	SPRING, PAUL RETAINER PLATE
26	65869A1	SHAFT, SHEAVE
27	74325	BRACKET, MOUNTING - TOP COWL (REAR)
28	10-37562	SCREW, REAR MOUNTING BRACKET TO BOTTOM COWL (1")
29	57927	MOUNT, RUBBER - REAR MOUNTING BRACKET TO CYLINDER BLOCK
30	11-8267089	NUT, RUBBER MOUNT TO BRACKET AND CYLINDER BLOCK
31	397-421A3	GROUND WIRE ASS'Y, MOUNTING BRACKET TO STARTER HOUSING
32	10-62568	SCREW, GROUND WIRE TO MOUNTING BRACKET (3/8")
33	64674	BRACKET< MOUNTING - TOP COWL (FRONT)
34	10-37562	SCREW, FRONT MOUNTING BRACKET TO BOTTON COWL (1")
35	57927	MOUNT, RUBBER - FRONT MOUNTING BRACKET TO CRANKCASE
36	11-8267089	NUT, RUBBER MOUNT TO BRACKET AND CRANKCASE
37	50-12066Q10	STARTER CABLE ASSEMBLY
38	30782	HANDLE, STARTER CABLE
39	79470A1	RETAINER, STARTER CABLE AND HANDLE

▶STATOR AND IGNITION COMPONENTS (36 parts)

Ref	OEM Part #	Part Name
1	336-4524A1	COVER ASSEMBLY
2	10-60491	SCREW, COVER TO MODULE (5/8')
3	336-4516A2	IGNITION MODULE ASSEMBLY
4	10-59800	SCREW, MODULE TO STATOR (9/16")
5	10-36046	SCREW, MODULE - COIL LEADS (1/4")
6	13-26996	LOCKWASHER, MODULE - IGNITION COIL LEAD TERMINALS
7	11-45076	NUT, MODULE - IGNITION COIL LEAD TERMINALS
8	336-4467A1	COIL, LOW SPEED
9	54-59538	CLIP, COIL RETAINING
10	54-59539	CLIP, COIL RETAINING
11	336-4463	CONDENSER ASSEMBLY
12	10-62269	SCREW< CONDENSER ATTACHING (7/16")
13	336-4477A1	STATRO ASSEMBLY
14	336-4458	PLATE, STATOR HOLD DOWN
15	10-35400	SCREW, HOLD DOWN PLATE TO STATOR (7/16")
16	15-33910015	SHIM, STATOR PLATE TO UPPER END CAP
17	336-3989	WICK, CAM WIPER - STATER ASSEMBLY
18	336-4318A2	MAKER ASSEMBLY, STATOR HOUSING
19	10-56266	SCREW, MAKER TO STATOR HOUSING (3/8")
20	59710	BRACKET, LINK ROD TO STATOR PLATE
21	10-29722	SCREW, BRACKET TO STATOR (5/8")
22	59783	LINK, THROTTLE - STATOR ASSEMBLY
23	12-30164	WASHER, THROTTLE LINK
24	33973	SWIVEL, THROTTLE LINK
25	11-859124	NUT, THROTTLE LINK
26	56319A3	LEAD ASSEMBLY, STOP SWITCH (SALMON - 24 3/16")
27	59060	BOOT, LEAD ASSEMBLY
28	56757A1	JUMPER WIRE ASSEMBLY, CONDENSER TO EXHAUST COVER (BLACK - 6
29	56318A6	LEAD ASSEMBLY, MODULE TO IGNITION COIL (GREEN - 10 3/4")
30	56318A5	LEAD ASSEMBLY, MODULE TO IGNITION COIL (GREEN - 13 7/8")
31	38938	BOOT, LEAD ASSEMBLY
32	56317A4	CABLE ASSEMBLY< STATOR HOUSING (BROWN - 16 1/4")
33	38938	BOOT, CABLE
34	336-4460	INSULATOR, CABLE TO CONTACT HOUSING
35	11-56325	NUT, CABLE INSULATOR
36	56762	STA-STRAP

▶STEERING HANDLE ASSEMBLY (19 parts)

Ref	OEM Part #	Part Name
1	60854	GRIP, HANDLE - THROTTLE
2	62251	CAP, HANDLE THROTTLE
3	66393	SHAFT, THROTTLE
4	66394A1	HANDLE, THROTTLE SHAFT
5	12-62252	WASHER, THROTTLE HANDLE TO STEERING ARM
6	60850	ARM, STEERING HANDLE
7	43-60852	GEAR, BALL THROTTLE SHAFT
8	17-27088	PIN, BALL GEAR TO THROTTLE SHAFT
9	48003	PIVOT, STEERING HANDLE TO BRACKET
10	15-48002015	SHIM, STEERING HANDLE PIVOT TO BRACKET (.015)
11	10-64074	SCREW, STEERING HANDLE TO ARM BRACKET (5/8")
12	60857A2	UNIVERSAL JOINT ASSEMBLY
13	43-60852	GEAR, BALL - UNIVERSAL JOINT
14	17-27088	PIN, BALL GEAR TO UNIVERSAL JOINT
15	61107A1	BRACKET, STEERING ARM
16	10-62233	SCREW, DETENT SPRING TO STEERING ARM BRACKET (5/8")
17	24-72847	SPRING, DETENT - STEERING HANDLE
18	10-26132	SCREW, STEERING ARM BRACKET TO SADDLE (2 1/2")
19	11-29250	NUT, STEERING ARM BRACKET FASTENING SCREW

▶THROTTLE CONTROL LINKAGE (26 parts)

Ref	OEM Part #	Part Name
1	43-61533	GEAR, PINION - THROTTLE CONTROL
2	23-31011	BUSHING, NYLON - THROTTLE CONTROL HOUSING
3	76357	HOUSING, THROTTLE CONTROL
4	43-60863	SHAFT AND GEAR, THROTTLE
5	10-20653	SCREW, THROTTLE CONTROL HOUSING FASTENING (1") - LOWER
6	11-8M0207775	NUT, THROTTLE CONTROL HOUSING SCREW
7	10-21091	SCREW, THROTTLE CONTROL HOUSING FASTENING (1 1/8") - UPPER
8	11-8M0207775	NUT, THROTTLE CONTROL HOUSING SCREW
9	23-33462	BUSHING, NYLON - SHAFT AND GEAR (THROTTLE CONTROL HOUSING)
10	12-20086	WASHER, THROTTLE SHAFT AND GEAR
11	17-36325	PIN, THROTTLE SHAFT AND GEAR
12	46413	THROTTLE LEVER, VERTICAL SHAFT
13	10-22960	SCREW, VERTICAL SHAFT THROTTLE LEVER (1 3/8")
14	11-25168	NUT, VERTICAL SHAFT THROTTLE LEVER SCREW
15	91-24686	PIN, GROOVE - STATOR PLATE LEVER TO VERTICAL SHAFT
16	60864	LEVER, STATOR PLATE - VERTICAL SHAFT
17	56700	LEVER, STATOR PLATE CONTROL
18	10-22659	SCREW, STARTER HOUSING TO CRANKCASE (1 5/8")
19	12-71055	WASHER, STARTER HOUSING SCREW Comment: PART OF STARTER HOUSING ASSEMBLY
20	23-46406	BUSHING, STATOR PLATE CONTROL LEVER
21	11-8267089	NUT, STARTER HOUSING TO CRANKCASE SCREW
22	12-24664	WASHER, SHAFT AND GEAR
23	11-826709109	NUT, SHAFT AND GEAR
24	46405	LINK, THROTTLE CLUSTER
25	10-69011	SCREW< THROTTLE CLUSTER LINK (7/8")
26	11-68219	NUT, JAM - THROTTLE CLUSTER LINK SCREW

▶TOP COWL, WRAP AROUND COWL AND FRONT COVER (24 parts)

Ref	OEM Part #	Part Name
1	2130-4361A2	TOP COWL ASSEMBLY
2	58657	INSERT, ROPE GUIDE - TOP COWL
3	53-72168	RING, RETIAINING - ROPE GUIDE TO TOP COWL
4	16-21553	STUD, TOP COWL TO MOUNTING BRACKETS (1 1/2")
5	11-82670911	NUT, TOP COWL STUD
6	39400	SHIELD, REAR - TOP COWL
7	10-37370	SCREW< REAR SHIELD TO TOP COWL (5/8")
8	2133-2706A5	WRAP AROUND COWL ASSEMBLY, COMPLETE
9	39606	BLAKNET, SOUND ABSORBING - WRAP AROUND COWL
10	46785A1	COWL LATCH ASSEMBLY
11	30413	HOOK, COWL LATCH FASTENING
12	39628	BUTTON, FRONT COVER RELEASE - TOP COWL
13	24-20099	SPRING, COMPRESSION - FRONT COVER RELEASE BUTTON
14	12-8M0204649	WASHER, FRONT COVER RELEASE BUTTON
15	60865	CATCH, FRON COVER - TOP COWL
16	10-22523	SCREW, FRONT COVER LATCH TO TOP COWL (3/4")
17	2127-5669A2	FRONT COVER ASSEMBLY, COMPLETE
18	60867A1	BASE ASSEMBLY, FRONT COVER LATCH
19	10-48409	SCREW, LATCH BASE TO FRONT COVER (5/8")
20	12-26014	WASHER, LATCH BASE SCREW
21	60866	HOOK, FRONT COVER LATCH
22	24-39598	SPRING, TORSION - FRONT COVER LATCH HOOK
23	17-39599	PIN, PIVOT - FRONT COVER LATCH HOOK
24	39936	BLANKET, SOUND ABSORBING - FRONT COVER

100-Hour / Annual Service Checklist

Regular maintenance keeps your Mercury 200 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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