Mercury 200 (3537531 THRU 4709592) Parts & Diagrams

OEM and aftermarket replacement parts for Mercury 200. Scroll down for exploded parts diagrams (8), specifications, and maintenance reference.

Sidebar

Categories

Need Help?

Showing 0 of 0 products

No products found
Use fewer filters or clear all

Mercury 200 (3537531 THRU 4709592) Parts & Diagrams

🔎 Mercury 200 Reference Library — Exploded parts diagrams (8 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.

▶MISCELLANEOUS PARTS/ACCESSORIES (1 parts) MISCELLANEOUS PARTS/ACCESSORIES
Ref OEM Part # Part Name
- 54694A1 HEAVY DUTY WATER PUMP ASSEMBLY
▶PISTON AND CONNECTING ROD ASSEMBLY (10 parts) PISTON AND CONNECTING ROD ASSEMBLY
Ref OEM Part # Part Name
- 39-28616A12 RING, PISTON (.015 OVERSIZE)
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 39-27841A12 RING, PISTON
▶SHIFT CONTROL LINKAGE (28 parts) SHIFT CONTROL LINKAGE
Ref OEM Part # Part Name
1 72946 HANDLE, NYLON - SHIFT CONTROL Comment: UNITED STATES 4351590 AND UP AUSTRALIA 8036050 AND UP BELGIUM 9104814 AND UP CANADA 7067848 AND UP
2 66412 BRACKET, MOUNTING - SHIFT SHAFT Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
3 23-66375 BUSHING, NYLONG - SHIFT SHAFT Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
4 76994 LEVER, SHIFT CONTROL Comment: UNITED STATES 4403787 AND UP AUSTRALIA 8039075 AND UP BELGIUM 9122765 AND UP CANADA 7077248 AND UP
5 66379 SHAFT, SHIFT (HORIZONTAL) Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
6 43-66377 GEAR, SECTOR - SHIFT SHAFT Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
7 12-8M0204649 WASHER, SHIFT CONTROL HANDLE
8 11-826709109 NUT, SHIFT CONTROL HANDLE TO SHIFT SHAFT
9 10-56500 SCREW, MOUNTING BRACKET TO POWERHEAD PLATE (1 1/4")
10 11-8M0207775 NUT, MOUNTING BRACKET SCREW
11 24-39627 SPRING, DETENT - MOUNTING BRACKET
12 39601 PLATE, DETENT SPRING
13 10-69022 SCREW, PLATE AND SPRING TO MOUNTING BRACKET (1/2")
14 17-25905 PIN, ROLL - SHIFT CONTROL LEVER TO SHIFT SHAFT
15 12-8M0204649 WASHER, SHIFT SHAFT
16 11-35888 NUT, SECTOR GEAR TO SHIFT SHAFT
17 61009A1 SHIFT CONTROL SHAFT ASSEMBLY, VERTICAL
18 43-58972 GEAR, SECTOR - SHIFT CONTROL SHAFT
19 23-30677 BUSHING, NYLONG - SHIFT CONTROL SHAFT
20 58979 FOLLOWER, NEUTRAL SPEED LIMITER
21 10-24644 SCREW, FOLLOWER TO POWERHEAD MOUNTING PLATE (1 3/8")
22 15-28212 SHIM, LIMITER FOLLOWER SCREW
23 11-8M0207775 NUT, LIMITER FOLLOWER SCREW
24 24-39675 SPRING, NEUTRAL SPEED LIMITER FOLLOWER
25 10-62568 SCREW, SPRING TO LIMITER FOLLOWER (3/8")
26 72857 STOP, OVER-SPEED LIMITER Comment: UNITED STATES 4102790 AND UP AUSTRALIA 8026165 AND UP BELGIUM 9070129 AND UP CANADA 7044783 AND UP
27 12-24676 WASHER, LIMITER STOP SCREW
28 10-35400 SCREW, LIMITER STOP TO FOLLOWER (7/16")
▶STARTER ASSEMBLY (39 parts) STARTER ASSEMBLY
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 10-72754 SCREW,STARTER HOUSING TO CRANKCASE (1 5/8") Comment: UNITED STATES 4351590 AND UP AUSTRALIA 8036050 AND UP BELGIUM 9104814 AND UP CANADA 7067848 AND UP
5 11-35888 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 14-61004 TAB WASHER,SHEAVE SHAFT NUT Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
13 11-20166 NUT,SHEAVE SHAFT (LEFT HAND THREAD)
14 65890 RETAINER,STARTER SPRING Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
15 24-29340T02 SPRING,STARTER REWIND
16 50-64008A1 STARTER SHEAVE ASSEMBLY
17 13-29720 WASHER,WAVE-STARTER PAWL
18 20162 PAWL,STARTER
19 23-65720 SPACER,SHEAVE SHAFT(PART OF A-50-64008A1 SHEAVE ASSEMBLY)
20 26179 RETAINER,STARTER SHEAVE TO PLATE
21 12-35559 WASHER,STARTER SHEAVE RETAINER
22 13-20160 WASHER,WAVE-STARTER SHEAVE TENSION
23 20164 PLATE,RETAINER-STARTER PAWL
24 24-45823 SPRING,PAWL RETAINER PLATE
25 65869A1 SHAFT ASSEMBLY, SHEAVE Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
26 74325 BRACKET,MOUNTING-TOP COWL (REAR) Comment: UNITED STATES 4403787 AND UP AUSTRALIA 8039075 AND UP BELGIUM 9122765 AND UP CANADA 7077248 AND UP
27 10-37562 SCREW,REAR MOUNTING BRACKET TO BOTTOM COWL (1")
28 57927 MOUNT,RUBBER-REAR MOUNTING BRACKET TO CYLINDER BLOCK
29 11-8267089 NUT,RUBBER MOUNT TO BRACKET AND CYLINDER BLOCK
30 84-76181 GROUND WIRE ASS'Y REAR BRACKET Comment: UNITED STATES 4403787 AND UP AUSTRALIA 8039075 AND UP BELGIUM 9122765 AND UP CANADA 7077248 AND UP
31 10-62568 SCREW,GROUND WIRE TO CYLINDER BLOCK (3/8")
32 10-35519 SCREW,GROUND WIRE TO CYLINDER BLOCK
33 64674 BRACKET,MOUNTING-TOP COWL (FRONT)
34 10-37562 SCREW,FRONT MOUNTING BRACKET TO BOTTOM 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
▶STEERING HANDLE ASSEMBLY (21 parts) STEERING HANDLE ASSEMBLY
Ref OEM Part # Part Name
- 60850A6 STEERING HANDLE ASSEMBLY, COMPLETE Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
1 60854 GRIP, HANDLE - THROTTLE
2 62251 CAP, HANDLE THROTTLE
3 66393 SHAFT, THROTTLE Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
4 66394A1 HANDLE ASSEMBLY, THROTTLE SHAFT Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
4A 17-46152 PIN, THROTTLE SHAFT Comment: UNITED STATES 3755885 AND UP AUSTRALIA 8013705 AND UP BELGIUM 9035129 AND UP CANADA 7024648 AND UP
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 17-68436 PIN, BALL GEAR TO UNIVERSAL JOINT
15 68766A2 BRACKET, STEERING ARM
16 10-62233 SCREW, DETENT SPRING TO STEERING ARM BRACKET (5/8")
17 24-72847 SPRING, DETENT - STEERING HANDLE Comment: UNITED STATES 4351590 AND UP AUSTRALIA 8036050 AND UP BELGIUM 9104814 AND UP CANADA 7067848 AND UP
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) THROTTLE CONTROL LINKAGE
Ref OEM Part # Part Name
1 43-60856 GEAR, PINION - THROTTLE CONTROL
2 76357 HOUSING, THROTTLE CONTROL Comment: UNITED STATES 4580037 AND UP AUSTRALIA 8043125 AND UP BELGIUM 9137350 AND UP CANADA 7089698 AND UP
3 43-60863 SHAFT AND GEAR, THROTTLE
4 10-20653 SCREW, THROTTLE CONTROL HOUSING FASTENING (1") - LOWER - Comment: UNITED STATES 4580036 AND BELOW AUSTRALIA 8043124 AND BELOW BELGIUM 9137349 AND BELOW CANADA 7089697 AND BELOW
4&6 10-76213 SCREW, THROTTLE CONTROL HOUSING FASTENING (1 1/8") - LOWER A Comment: LOWER AND UPPER UNITED STATES 4580037 AND UP AUSTRALIA 8043125 AND UP BELGIUM 9137350 AND UP CANADA 7089698 AND UP
5 11-8M0207775 NUT, THROTTLE CONTROL HOUSING SCREW Comment: UNITED STATES 4580036 AND BELOW AUSTRALIA 8043124 AND BELOW BELGIUM 9137349 AND BELOW CANADA 7089697 AND BELOW
6 10-21091 SCREW, THROTTLE CONTROL HOUSING FASTENING (1 1/8") - UPPER Comment: UNITED STATES 4580036 AND BELOW AUSTRALIA 8043124 AND BELOW BELGIUM 9137349 AND BELOW CANADA 7089697 AND BELOW
7 11-8M0207775 NUT, THROTTLE CONTROL HOUSING SCREW Comment: UNITED STATES 4580036 AND BELOW AUSTRALIA 8043124 AND BELOW BELGIUM 9137349 AND BELOW CANADA 7089697 AND BELOW
8 23-33462 BUSHING, NYLON - SHAFT AND GEAR (THROTTLE CONTROL HOUSING)
9 12-20086 WASHER, THROTTLE SHAFT AND GEAR
10 17-36325 PIN, THROTTLE SHAFT AND GEAR
11 46413 THROTTLE LEVER, VERTICAL SHAFT
12 10-72755 SCREW, VERTICAL SHAFT THROTTLE ELVER (1 3/8") Comment: UNITED STATES 4351590 AND UP AUSTRALIA 8036050 AND UP BELGIUM 9104814 AND UP CANADA 7067848 AND UP
13 11-29598 NUT, VERTICAL SHAFT THROTTLE ELVER SCREW Comment: UNITED STATES 4351590 AND UP AUSTRALIA 8036050 AND UP BELGIUM 9104814 AND UP CANADA 7067848 AND UP
14 17-24865 PIN, GROOVE - STATOR PLATE LEVER TO VERTICAL SHAFT
15 60864 LEVER, STATOR PLATE - VERTICAL SHAFT
16 64631 LEVER, STATOR PLATE CONTROL
17 10-72754 SCREW, STARTER HOUSING TO CRANKCASE (1 5/8")
18 12-71055 WASHER, STARTER HOUSING SCREW (PART OF STARTER HOUSING ASSEM
19 23-46406 BUSHING, STATOR PLATE CONTROL LEVER
20 11-35888 NUT, STARTER HOUSING TO CRANKCASE SCREW Comment: UNITED STATES 4351590 AND UP AUSTRALIA 8036050 AND UP BELGIUM 9104814 AND UP CANADA 7067848 AND UP
21 12-24664 WASHER, SHAFT AND GEAR
22 11-826709109 NUT, SHAFT AND GEAR
23 46405 LINK, THROTTLE CLUSTER
24 10-69011 SCREW, THROTTLE CLUSTER LINK (7/8")
25 11-68219 NUT, JAM - THROTTLE CLUSTER LINK SCREW
▶TOP COWL, WRAP AROUND COWL AND FRONT COVER (24 parts) TOP COWL, WRAP AROUND COWL AND FRONT COVER
Ref OEM Part # Part Name
1 2130-4361A2 TOP COWL ASSEMBLY
2 77859A1 INSERT,ROPE GUIDE-TOP COWL
3 53-72168 RING,RETAINING-ROPE GUIDE TO TOP COWL Comment: UNITED STATES 4351590 AND UP AUSTRALIA 8036050 AND UP BELGIUM 9104814 AND UP CANADA 7067848 AND UP
4 16-72166 STUD,TOP COWL TO MOUNTING BRACKETS (1 1/2") Comment: UNITED STATES 4351590 AND UP AUSTRALIA 8036050 AND UP BELGIUM 9104814 AND UP CANADA 7067848 AND UP
5 11-82670911 NUT,TOP COWL STUD
6 39400 SHIELD,REAR-TOP COWL
7 1352-4440A1 SCREW,REAR SHIELD TO TOP COWL (5/8)
8 2133-2706A5 WRAP AROUND COWL ASSEMBLY,CO,PLETE
9 39606 BLANKET,WRAP AROUND COWL (EARLY MODELS)
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,FRONT COVER-TOP COWL
16 10-37978 SCREW,FRONT COVER LATCH TO TOP COWL (3/4")
17 2127-5669A2 FRONT COVER ASSEMBLY,COMPLETE Comment: UNITED STATES 4102790 AND UP AUSTRALIA 8026165 AND UP BELGIUM 9070129 AND UP CANADA 7044783 AND UP
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,TORISON-FRONT COVER LATCH HOOK
23 17-39599 PIN,PIVOT-FRONT COVER LATCH HOOK
24 39936 BLANKET,SOUND ABSORBING-FRONT COVER
▶VOLTAGE REGULATOR (SERIAL GROUP NO. 16) (10 parts) VOLTAGE REGULATOR (SERIAL GROUP NO. 16)
Ref OEM Part # Part Name
1 95845T VOLTAGE REGULATOR
2 10-58185 SCREW, VOLTAGE REGULATOR TO REAR BRACKET (1")
3 23-62769 SPACER, VOLTAGE REGULATOR SCREW
4 11-27164 NUT, VOLTAGE REGULATOR SCREW
5 11-45076 NUT, VOLTAGE REGULATOR TERMINALS
6 84-74899 HARNESS, VOLTAGE REGULATOR (YELLOW/RED)
7 71663 PLUG, HARNESS
8 84-65017A2 HARNESS ASSEMBLY, LIGHTING (EXTERNAL)
9 74367A9 LIGHTING STATOR ASSEMBLY
10 10-66707 SCREW, LIGHTING STATOR ATTACHING (7/8")

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.

  1. Replace water pump impeller and inspect wear plate
  2. Change engine oil and oil filter (check drain plug washer)
  3. Replace spark plugs and check ignition timing
  4. Drain and refill lower unit gear oil; inspect for water contamination
  5. Inspect fuel lines, primer bulb, and fuel filter for deterioration
  6. Check and replace sacrificial anodes (zinc or aluminum)
  7. Inspect propeller for damage; check shaft seal and cotter pin
  8. Check valve clearance (refer to service manual for specifications)
  9. Lubricate all grease points (steering, tilt tube, shift linkage)
  10. 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.

Recently Viewed Products