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Mercury Marine [Updated: Apr. 10, 2026]
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Outboard
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2 Stroke Carb
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XR-4 / MAGNUM II
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[0B242885 THRU 0C100860] - USA - Cat.# 90-18739
[0B242885 THRU 0C100860] - USA - Cat.# 90-18739
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CARBURETOR ASSEMBLY
schematic
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CHOKE PLATE AND THROTTLE LEVERS
schematic
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COWL MOUNTING BRACKET
schematic
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COWLS AND FRONT COVER
schematic
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CRANKSHAFT, PISTONS AND CONNECTING RODS
schematic
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CYLINDER BLOCK AND END CAPS
schematic
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DRIVESHAFT HOUSING AND EXHAUST TUBE
schematic
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EXHAUST MANIFOLD AND EXHAUST PLATE
schematic
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FLYWHEEL, STARTER MOTOR AND IGNITION COILS
schematic
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FUEL PUMP AND CARBURETOR
schematic
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GEAR HOUSING (DRIVESHAFT) (CASTING #1674-814247C)
schematic
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GEAR HOUSING (DRIVESHAFT)(CASTING #1655-9572C)
schematic
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GEAR HOUSING (PROPELLER SHAFT) (CASTING #1674-814247C)
schematic
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GEAR HOUSING (PROPELLER SHAFT)(CASTING #1655-9572C)
schematic
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OIL INJECTION COMPONENTS
schematic
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POWER TRIM COMPONENTS
schematic
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POWER TRIM PUMP
schematic
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REED BLOCK AND CYLINDER HEAD
schematic
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STARTER MOTOR ASSEMBLY
schematic
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SWIVEL BRACKET AND STEERING ARM
schematic
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Service/Support Material
schematic
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TACHOMETER, TRIM GAUGE, TEMPERATURE GAUGE
schematic
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THROTTLE LEVER AND SHIFT SHAFT
schematic
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TRANSOM BRACKET
schematic
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WIRING HARNESS, STARTER SOLENOID AND RECTIFIER
schematic