Mercury 200 (2827677 THRU 3226957) Parts & Diagrams

🔎 Mercury 200 Reference Library — Exploded parts diagrams (17 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 Comment: SERIAL 02991679-09999999
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, RETAINER 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 Comment: SERIAL 02991679-09999999
10	48472	COVER, HARNESS HOLE
11	10-20189	SCREW, COVER TO BOTTOM COWL (3/4")
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	22-996642	ELBOW, TELL TALE HOSE TO CYLINDER BLOCK
22	52889	NOZZLE, TELL TALE HOSE TO BOTTOM COWL Comment: PART OF BOTTOM COWL ASSEMBLY
23	10-41228	SCREW, TELL TALE NOZZLE TO BOTTOM COWL (1/2") Comment: PART OF BOTTOM COWL ASSEMBLY
24	59065A1	STOP SWITCH ASSEMBLY Comment: SERIAL 02991679-09999999
25	12-59061	WASHER, STATOR LEAD TO STOP SWICH Comment: SERIAL 02991679-09999999
26	13-21972	LOCKWASHER, STOP SWITCH CONNECTOR Comment: SERIAL 02991679-09999999
27	11-21971	NUT, STOP SWITCH TO BOTTOM COWL Comment: SERIAL 02991679-09999999
28	38950A1	COVER ASSEMBLY, STOP SWITCH Comment: SERIAL 02991679-09999999
29	13-26996	LOCKWASHER, STATOR LEAD NUT Comment: SERIAL 02991679-09999999
30	11-68219	NUT, STATOR LEAD TO STOP SWITCH Comment: SERIAL 02991679-09999999

▶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 STUDS

▶CARBURETOR CHOKE LINKAGE (12 parts)

Ref	OEM Part #	Part Name
1	47932	KNOB AND SHAFT, CHOKE
2	12-30314	WASHER, NYLON - CHOKE KNOB AND SHAFT
3	24-47968	SPRING, TENSION - CHOKE KNOB AND SHAFT
4	47933	LEVER, CHOKE SHUTTER
5	61105A1	SHUTTER, CHOKE - CARBURETOR
6	24-47898	SPRING, TORSION - CHOKE SHUTTER TENSION
7	16-53050	STUD, CHOKE SHUTTER TO CARBURETOR (1 7/16")
8	12-47960	WASHER, CHOKE SHUTTER STUD
9	11-20110	NUT, CHOKE SHUTTER STUD
10	35-53596	SCREEN, FILTER - CARBURETOR
11	16-69037	STUD, CARBURETOR SCREEN TO CARBURETOR (1 1/16")
12	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
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") Comment: SERIAL 02991679-09999999
12	23-59621T	SPACER, CLAMP BRACKET STUD Comment: SERIAL 02991679-09999999
13	12-24812	WASHER, CLAMP BRACKET STUD Comment: SERIAL 02827677-02893435
14	13-8M0204647	LOCKWASHER, CLAMP BRACKET STUD
15	11-28770	NUT, CLAMP BRACKET STUD
16	17-39585	SWIVEL PIN Comment: SERIAL 02991679-09999999
17	33423	CO-PILOT DISC
18	10-26132	SCREW, CO-PILOT DISC TO SADDLE
19	11-29250	NUT, CO-PILOT DISC TO SADLE SCREW
20	1461-6667A1	SWIVEL BRACKET ASSEMBLY
21	25-8M0204650	"O" RING, SWIVEL BRACKET
22	22-8M0169589	FITTING, GREASE - SWIVEL BRACKET
23	19-77633Q	LUBRICAP, SWIVEL BRACKET GREASE FITTING
24	39307	PLATE, CLAMP - CO-PILOT
25	20203	DISC, FRICTION - CLAMP PLATE AND SWIVEL BRACKET
26	10-56784	SCREW, CLAMP PLATE TO 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	33417A1	REVERSE LOCK LEVER ASSEMBLY
36	26092	ROD, ERVERSE LOCK LEVER
37	23-26841	BUSHING, NYLON - REVERSE LOCK LEVER ROD
38	18-45882	COTTER PIN, REVERSE LOCK LEVER TO ROD
39	24-33418	SPRING, REVERSE LOCK LEVER

▶CRANKSHAFT AND CENTER MAIN BEARING ASSEMBLY (12 parts)

Ref	OEM Part #	Part Name
1	415-4072	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
6	11-45774	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
10	11-20110	NUT, REED STOP MOUNTING SCREW
11	17-20032	DOWEL PIN, MAIN BEARING TO CYLINDER BLOCK
12	28-20094	KEY, FLYWHEEL

▶CYLINDER BLOCK AND CRANKCASE ASSEMBLY (48 parts)

Ref	OEM Part #	Part Name
1	1142-3986A1	CRANKCASE TOP ASSEMBLY
2	25-20081	"O" RING, CRANKCASE TOP
3	15-56191A1	SHIM, BALL BEARING TO CRANKCASE TOP (.002-3-5-10)
4	30-63326T	BEARING, BALL - CRANKCASE TOP (UPPER)
5	31-20594	BEARING, ROLLER - CRANKCASE TOP (UPPER)
6	26-66300	OIL SEAL, CRANKCASE TOP (UPPER)
7	10-57098	SCREW, CRANKCASE TOP TO CYLINDER BLOCK AND CRANKCASE (3/4")
8	848-6434A1	CYLINDER BLOCK AND CRANKCASE ASSEMBLY
9	17-23784	PIN, DOWEL - CRANKCASE TO CYLINDER BLOCK
10	16-65866	STUD, CRANKCASE TO CYLINDER BLOCK )1 5/16")
11	11-29250	NUT, CRANKCASE STUD
12	16-65868	STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (2 1/8")
13	16-68165	STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (1 5/8")
14	19-20011	WELCH PLUG, CRANKCASE AND CYLINDER BLOCK
15	21-27146A1	CHECK VALVE ASSEMBLY, CRANKCASE
16	16-68165	STUD, CRANKCASE TO DRIVE SHAFT HOUSING (1 5/8")
17	16-65865	STUD, CARBURETOR TO CRANKCASE (1 3/32")
18	10-26066	SCREW, CRANKCASE TO CYLINDER BLOCK (1 1/4")
19	10-21449	SCREW, CRANKCASE TO CYLINDER BLOCK (2")
20	10-26132	SCREW, CRANKCASE TO CYLINDER BLOCK (2 1/2")
21	11-29250	NUT, CRANKCASE SCREW
22	84-93462A20	SCREW, LOCK - CENTER MAIN BEARING (5/8")
23	14-20091	TAB WASHER, CENTER MAIN BEARING LOCK SCREW
24	22-59351	ELBOW, BLEED HOSE TO CYLINDER BLOCK Comment: SERIAL 02827677-02832721
24A	21-55621A1	CHECK VALVE ASSEMBLY, BLEED HOSE Comment: SERIAL 02832722-09999999
25	22-62365A1	CHECK VALVE AND HOSE CONNECTOR ASSEMBLY, BLEED HOSE Comment: SERIAL 02827677-02832721
26	21-28481A1	CHECK VALVE ASSEMBLY Comment: SERIAL 02832722-09999999
27	32-9912688	HOSE, BLEED - CYLINDER BLOCK Comment: SERIAL 02832722-09999999
28	54-20387	CLAMP, BLEED HOSE ATTACHING Comment: SERIAL 02832722-09999999
29	22-58199	FITTING, BLEED HOSE Comment: SERIAL 02832722-09999999
30	77362	COVER, TRANSFER PORT
31	27-279361	GASKET, TRANSFER PORT COVER
32	10-24646	SCREW, TRANSFER PORT COVER TO CYLINDER BLOCK (5/8")
33	1022-3567	COVER, CYLINDER BLOCK
34	27-78410	GASKET, CYLINDER BLOCK COVER
35	10-24644	SCREW, COVER TO CYLINDER BLOCK (1 3/8")
36	10-21091	SCREW, COVER TO CYLINDER BLOCK (1 1/8")
37	11-8M0207775	NUT, CYLINDER BLOCK COVER SCREW
38	27-78411	GASKET, CYLINDER BLOCK TO BAFFLE PLATE
39	39308	PLATE, BAFFLE - EXHAUST MANIFOLD
40	27-78409	GASKET, BAFFLE PLATE TO MANIFOLD COVER
41	88797	COVER, EXHAUST MANIFOLD
42	10-28782	SCREW, MANIFOLD COVER TO CYLINDER BLOCK (7/8")
43	86-45915	TERMINAL BLOCK, EXHAUST MANIFOLD COVER SERIAL # THRU Comment: SERIAL 02827677-02893435
44	10-69079	SCREW, TERMINAL BLOCK TO EXHAUST MANIFOLD COVER (7/16") Comment: SERIAL 02827677-02893435
45	10-38792	SCREW, WIRE TO TERMINAL GLOCK (5/16")
46	30-63326T	BEARING, BALL - CRANKCASE(LOWER)
47	26-8M0214939	OIL SEAL, CRANKCASE (LOWER)

▶DRIVE SHAFT HOUSING ASSEMBLY (37 parts)

Ref	OEM Part #	Part Name
1	1560-2671A2	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 STUD
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
14	32-45054	TUBE, NYLON - IDLE RELIEF PLATE
15	25-201951	"O" RING, IDLE RELIEF TUBE
16	11-29250	NUT, POWERHEADS 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	39481	COVER, UPPER MOUNT
24	10-39669	SCREW, UPPER MOUNT COVER FASTENING (3/4")
25	79947A1	MOUNT, RUBBER - LOWER(LONG SHAFT)
26	53-8M0051043	RING, RETAINING - LOWER MOUNT
27	70317	COVER, LOWER MOUNT
28	10-28638	SCREW, LOWER MOUNT COVER FASTENING
29	33495	LONK ROD, REVERSE LOCK
30	24-33413	SPRING, TENSION - REVERSE LOCK LINK ROD
31	11-57146	NUT, REVERSE LOCK LINK ROD
32	10-31716	SCREW, CAM RETAINER TO DRIVE SHAFT HOUSING
33	13-26992	LOCKWASHER, CAM RETAINER SCREW
34	58974	CAM, COUPLING - SHIFT SHAFT Comment: SERIAL 02991679-09999999
35	35653	RETIANER, REVERSE LOCK CAM Comment: SERIAL 02991679-09999999
36	58973	LEVER, REVERSE LOCK CAM Comment: SERIAL 02991679-09999999
37	17-58998	PIN, ROLL - CAM LEVER TO RETAINER Comment: SERIAL 02991679-09999999

▶FLYWHEEL, STATOR AND IGNITION COIL (50 parts)

Ref	OEM Part #	Part Name
1	11-8M0214915	NUT, FLYWHEEL
2	12-36281	WASHER, FLYWHEEL NUT
3	25-37340	"O" RING, FLYWHEEL NUT
4	28-20094	KEY, FLYWHELL DRIVE
5	237-3973A1	FLYWHEEL ASSEMBLY
6	50-33000A1	RATCHET ASSEMBLY, FLYWHEEL
7	10-35563	SCREW, RATCHET TO FLYWHEEL (9/16")
8	10-32417	SCREW, RATCHET TO FLYWHEEL (5/8")
9	13-26992	LOCKWASHER, RATCHET SCREW
10	336-3996A7	STATOR ASSEMBLY Comment: SERIAL 02991679-09999999
11	10-69560	SCREW, STATOR TO END CAP (1 1/4")
12	336-4429	HOLDER, CONTACT HOUSING Comment: SERIAL 02991679-09999999
13	336-3988A1	COVER ASSEMBLY, CONTACT HOUSING
14	10-56336	SCREW, COVER TO CONTACT HOUSING(1/2")
15	336-3978A1	HOUSING ASSEMBLY, CONTACT
16	336-4318A2	MAKER ASSEMBLY, CONTACT HOUSING
17	10-56266	SCREW, MAKET TO CONTACT HOUSING(3/8")
18	56317A2	CABLE ASSEMBLY, CONTACT HOUSING (BROWN - 17 3/4")
19	38938	BOOT, CABLE
20	336-3989	WICK, CAM WIPER - CONTACT HOUSING
21	336-3981	INSULATOR, CABLE TO CONTACT HOUSING
22	11-56325	NUT, CABLE INSULATOR
23	12-56077	WAHSER, WEAR - CONTACT HOUSING TO CRANKCASE TOP
24	13-59145	WASHER, WAVE - CONTACT HOUSING TO CRANKCASE TOP
25	54-26550	CLIP, CONTACT HOUSING AND STATOR LEADS
26	10-62568	SCREW, CONTACT HOUSING AND STATOR LEADS CLIP ATTACHING
27	8M0084613	"D" WASHER, CLIP SCREW
28	56312	LINK, THROTTLE - CONTACT HOUSING
29	10-34696	SCREW, THROTTLE LINK TO CONTACT HOUSING (3/4")
30	12-34392	WASHER, THROTTLE LINK SCREW
31	13-29720	WASHER, WAVE - THROTTLE LINK SCREW
32	11-28656	NUT, THROTTLE LINK SCREW
33	33973	SWIVEL, THROTTLE LINK
34	11-859124	NUT, THROTTLE LINK
35	12-30164	WASHER, THROTTLE LONK
36	56757A1	JUMPER WIRE ASSEMBLY, STATOR TO THROTTLE LINK
37	10-8M0113176	SCREW, JUMPTER WIRE ATTACHING (5/16")
38	336-4409A4	COIL ASSEMBLY, IGNITION Comment: SERIAL 02991679-09999999
39	13-26996	LOCKWASHER, IGNITION COIL TERMINAL
40	11-45076	0NUT, IGNITION COIL TERMINAL
41	56188	COVER, IGNITION COIL
42	10-56311	SCREW, COIL COVER TO REAR SUPPORT BRACKET (3 11/16")
43	11-8267086	NUT, COIL COVER SCREW
44	54676	RETAINER, HIGH TENSION LEAD
45	84-813715A1	LEAD ASSEMBLY, HIGH TENSION
46	332-2854T01	NIPPLE, IGNITION COIL
47	85-63709A1	PROTECTOR ASSEMBLY, SPARK PLUG
48	33-896329833	SPARK PLUG (AC #40FFK)
49	56318A2	CABLE ASSEMBLY, COIL TO COIL (5 1/4")
50	394-1134A1	GROUND WIRE ASSEMBLY, COIL COVER SCREW

▶FUEL PUMP AND FUEL LINE ASSEMBLY (29 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	53545	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 (3/4")
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	10-20784	SCREW, CHECK UNIT ADAPTOR TO BOTTOM COWL (1 1/2")
25	11-8267089	NUT, CHECK UNIT ADAPTOR SCREW
26	22-54064	CONNECTOR, HOSE TO FUEL PUMP(NOT AS SHOWN)
27	32-9912688	HOSE, FUEL PUMP TO CYLINDER BLOCK (2 3/8")
28	22-53553	ELBOW, HOSE TO CYLINDER BLOCK (45)
29	54-20387	CLAMP, FUEL PUMP HOSE TO ELBOWS
30	22-54090	ELBOW, HOSE TO FUEL PUMP (90)
31	22-33373001	ELBOW, HOSE TO CYLINDER BLOCK (90)

▶GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 1) (50 parts)

Ref	OEM Part #	Part Name
-	1627-6006A4	GEAR HOUSING ASSEMBLY, COMPLETE(LONG SHAFT)
1	1627-6006A5	GEAR HOUSING ASSEMBLY(SERIAL #2991679 AND UP)
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
9	43-45189	GEAR, PINION
10	10-79953Q04	SCREW, GREASE FILLER
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
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
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 ASSEMBLY
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, FACT PLATE TO WATER PUMP BODY (UPPER)
36	47-89982	IMPELLER, WATER PUMP PART OF DRIVE SHAFT ASSEMBLY
37	28-56661	KEY, IMPELLER DRIVE
38	46-87458A2	WATER PUMP BODY ASSEMBLY
39	48754	INSERT, WATER 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) (30 parts)

Ref	OEM Part #	Part Name
1	1627-6006A5	GEAR HOUSING ASSEMBLY(SERIAL #2991679 AND UP)
50	58975	CAM, SHIFT(SERIAL #2991679 AND UP)
51	33438	FOLLOWER, CAM
52	24-88435	SPRING, CAM FOLLOWER
53	97-47820A1	PLATE ASSEMBLY, ANODIC - GEAR HOUSING
54	10-47819	SCREW, ANODIC PLATE TO GEAR HOUSING(1 1/4")
55	15-20788A1	SHIM, BALL BEARING TO GEAR HOUSING(.002-3-5-10)
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, GHRUST 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
75	48-37316A1	PROPELLER ASSEMBLY(3 BLADE - ALUMINUM -7" PITCH)
76	11-64075A1	SPACER, SPLINE - PROPELLER SHAFT
77	12-27025	WASHER, PROPELLER NUT(SERIAL #2827677 THRU #2893435)
78	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, CONNECTING 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)

▶SHIFT CONTROL LINKAGE (32 parts)

Ref	OEM Part #	Part Name
1	59107	HANDLE, NYLON - SHIFT CONTROL Comment: SERIAL 02991679-09999999
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 Comment: SERIAL 02991679-09999999
18	12-8M0204649	WASHER, SHIFT SHAFT
19	11-8267089	NUT, SECTOR GEAR TO SHIFT SHAFT
20	61009A1	SHIFT CONTROL SHAFT ASSEMBLY, VERTICAL Comment: SERIAL 02991679-09999999
21	43-58972	GEAR, SECTOR - SHIFT CONTROL SHAFT Comment: SERIAL 02991679-09999999
22	25-38933	"O" RING, SHIFT CONTROL SHAFT
23	23-30677	BUSHING, NYLON - SHIFT CONTROL SHAFT
24	58979	FOLLOWER, NEUTRAL SPEED LIMITER Comment: SERIAL 02991679-09999999
25	10-24644	SCREW, FOLLOWER TO POWERHEAD MOUNTING PLATE (1 3/4")
26	15-28212	SHIM, LIMITER FOLOWER SCREW
27	11-8M0207775	NUT, LIMITER FOLLOWER SCREW
28	24-39675	SPRING, NEUTRAL SPEED LIMITER FOLLOWER
29	10-62568	SCREW, SPRING TO LIMITER FOLLOWER (3/8")
30	72857	STOP, OVER-SPEED LIMITER
31	12-24676	WASHER, LIMITER STOP SCREW
32	10-35400	SCREW, LIMITER STOP TO FOLLOWER (7/16")

▶STEERING HANDLE ASSEMBLY (28 parts)

Ref	OEM Part #	Part Name
1	27763	GRIP, RUBBER - STEERING HANDLE
2	39352	BODY AND SHAFT, STEERING HANDLE
3	31001	INDICATOR, SPEED AND LIMIT - STEERING HANDLE
4	10-31002	SCREW, SET - SPEED AND SHIFT INDICATOR
5	10-22290	SCREW, DRIVE - INDICATOR TO STEERING HANDLE BODY
6	23-30677	BUSHING NYLON - STEERING HANDLE TO BODY
7	49557	ARM, STEERING
8	49558	KNUCKLE, STEERING ARM
9	23-49555	BUSHING, RUBBER - STEERING HANDLE
10	23-28100	BUSHING, NYLON - STERRING HANDLE
11	43-53205	GEAR, BALL - STEERING HANDLE SHAFT
12	17-26862	PIN, BALL GEAR TO STEERING HANDLE SHAFT
13	53-53204	RING, RETAINING - BALL GEAR
14	48003	PIVOT, STEERING HANDLE TO BRACKET
15	15-48002015	SHIM, STEERING HANDLE PIVOT TO BRACKET (.015)
16	10-64074	SCREW, STEERING HANDLE TO ARM BRACKET (5/8")
17	47825A1	UNIVERSAL JOINT ASSEMBLY
18	23-48005	SLEEVE, UNIVERSAL JOINT
19	43-53205	GEAR, BALL - UNIVERSAL JOINT
20	17-26862	PIN, BALL GEAR TO UNIVERSAL JOINT
21	53-53204	RING, RETINING - BALL GEAR
22	61107A1	BRACKET, STEERING ARM
23	47743	BOOT, UNIVERSAL JOINT
24	23-47818	BUSHING, STEERING ARM BRACKET
25	24-72847	SPRING, DETENT - STEERING HANDLE
26	10-37571	SCREW, DETENT SPRING TO STEERING HANDLE (1/2")
27	10-26132	SCREW, STEERING ARM BRACKET TO SADDLE (2 1/2")
28	11-29250	NUT, STEERING ARM BRACKET FASTENING SCREW

▶THROTTLE CONTROL LINKAGE (27 parts)

Ref	OEM Part #	Part Name
1	43-39478	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	17-48660	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	17-24865	PIN, GROOVE - STATOR PLATE LEVER TO VERTICAL SHAFT
16	23-48661	BUSHING, CYLON - STATOR PLATE LEVER
17	60864	LEVER, STATOR PLATE - VERTICAL SHAFT
18	56700	LEVER, STATOR PLATE CONTROL
19	10-22659	SCREW, STARTER HOUSING TO CRANKCASE (1 5/8")
20	12-71055	WASHER, STARTER HOUSING SCREW(PART OF STARTER HOUSING ASSY)
21	23-46406	BUSHING, STATOR PLATE CONTROL LEVER
22	11-8267089	NUT, STARTER HOUSING TO CRANKCASE SCREW
23	12-24664	WASHER, SHAFT AND GEAR
24	11-826709109	NUT, SHAFT AND GEAR
25	46405	LINK, THROTTLE CLUSTER
26	10-69011	SCREW, THROTTLE CLUSTER LINK
27	11-68219	NUT, JAM - THROTTLE CLUSTER LINK SCREW

▶TOP COWL AND STARTER ASSEMBLY (62 parts)

Ref	OEM Part #	Part Name
1	2130-4361A2	TOP COWL ASSEMBLY SERIAL Comment: SERIAL 02991679-09999999
2	58657	INSERT, ROPE GUIDE - TOP COWL Comment: SERIAL 02991679-09999999
3	53-72168	RING, RETAINING - ROPE GUIDE TO TOP COWL Comment: SERIAL 02991679-09999999
4	16-21553	STUD, TOP COWL TO MOUNTING BRACKETS (1 1/2") Comment: SERIAL 02991679-09999999
5	12-20722	WASHER, TOP COWL STUD Comment: SERIAL 02991679-09999999
6	11-82670911	NUT, TOP COWL STUD
7	39400	SHIELD, REAR - TOP COWL
8	10-37370	SCREW, REAR SHIELD TO TOP COWL (5/8")
9	2133-2706A5	WRAP AROUND COWL ASSEMBLY, COMPLETE
10	39606	BLANKET, SOUND ABSORBING - WRAP AROUND COWL
11	46785A1	COWL LATCH ASSEMBLY
12	30413	HOOK, COWL LATCH FASTENING
13	39628	BUTTON, FRONT COVER RELEASE - TOP COWL
14	24-20099	SPRING, COMPRESSION - FRONT COVER RELEASE BUTTON
15	12-8M0204649	WASHER, FRONT COVER RELEASE BUTTON
16	60865	CATCH, FRONT COVER - TOP COWL
17	10-22523	SCREW, FRONT COVER LATCH TO TOP COWL (3/4")
18	2127-5669A2	FRONT COVER ASSEMBLY COMPLETE
19	60867A1	BASE, FRONT COVER LATCH
20	10-26500	SCREW, LATCH BASE TO FRONT COVER (9/16")
21	12-26014	WASHER, LATCH BASE SCREW
22	60866	HOOK, FRONT COVER LATCH
23	24-39598	SPRING, TORSION - FRONT COVER LATCH HOOK
24	17-39599	PIN, PIVOT - FRONT COVER LATCH HOOK
25	39936	BLANKET, SOUND ABSORBING - FRONT COVER
26	75349A2	HOUSING ASSEMBLY, STARTER
27	10-37562	SCREW, STARTER HOUSING TO CYLINDER BLOCK (1")
28	13-8M0204647	LOCKWASHER, STARTER HOUSING TO CYLINDER BLOCK SCREW
29	10-22659	SCREW, STARTER HOUSING TO CREANKCASE (1 5/8")
30	11-8267089	NUT, STARTER HOUSING TO CRANKCASE SCREW
31	47430	BUMPER, RUBBER - STARTER HOUSING
32	55860	PULLEY, STARTER CABLE
33	10-37892	SCREW, PULLEY TO STARTER HOUSING (1")
34	94121	RETAINER, PULLEY SCREW
35	23-309772	SPACER, PULLEY SCREW
36	11-20110	NUT, PULLEY SCREW
37	14-20165	TAB WASHER, SHEAVE SHAFT NUT
38	11-20166	NUT, SHEAVE SHAFT (LEFT HAD THREAD)
39	20155	RETAINER, STARTER SPRING
40	24-29340T02	SPRING, STARTER REWIND
41	23-20159	BUSHING, SPRING GUIDE
42	50-64008A1	STARTER SHEAVE ASSEMBLY
43	13-29720	WASHER, WAVE - STARTER PAWL
44	20162	PAWL, STARTER
45	23-65720	SPACER, SHEAVE SHAFT
46	26179	RETAINER, STARTER SHEAVE TO PLATE
47	12-35559	WASHER, STARTER SHEAVE RETAINER
48	13-20160	WASHER, WAVE - STARTER SHEAVE TENSION
49	20164	PLATE, RETAINER - STARTER PAWL
50	24-45823	SPRING, PAWL RETAINER PLATE
51	65869A1	SHAFT, SHEAVE
52	74325	BRACKET, MOUNTING - TOP COWL (REAR)
53	10-37562	SCRE, REAR MOUNTING BRACKET TO BOTTOM COWL (1")
54	57927	MOUNT, RUBBER - REAR MOUNTING BRACKET TO CYLINDER BLOCK
55	11-8267089	NUT, RUBBER MOUNT TO BRACKET AND CYLINDER BLOCK
56	64674	BRACKET, MOUNTING - TOP COWL (FRONT)
57	10-37562	SCREW, FRONT MOUNTING BRACKET TO BOTTOM COWL (1")
58	57927	MOUNT, RUBBER - FRONT MOUNTIN GBRACKET TO CRANKCASE
59	11-8267089	NUT, RUBBER MOUNT TO BRACKET AND CRANKCASE
60	50-12066Q10	STARTER CABLE ASSEMBLY
61	30782	HANDLE, STARTER CABLE
62	79470A1	RETAINER, STARTER CABLE AND HANDLE

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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