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Mercury
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Mercury Marine [Updated: Apr. 10, 2026]
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Outboard
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2 Stroke EFI
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250 (3.0L)
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[1B417702 THRU 1B504988] - USA - Cat.# 90-803199007
[1B417702 THRU 1B504988] - USA - Cat.# 90-803199007
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Accessories
schematic
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Attenuator/Flywheel Cover
schematic
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Bottom Cowl
schematic
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Coil Plate
schematic
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Crankshaft, Pistons and Connecting Rods
schematic
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Cyliner Block and End Cap
schematic
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Deck Oil Fill Kit 15969A3 or 15969A5
schematic
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Driveshaft Housing and Exhaust Tube
schematic
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Dual Engine Tie Bar Kit
schematic
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Exhaust Plate
schematic
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Flywheel/Alternator
schematic
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Fuel Line Assembly
schematic
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Fuel Management
schematic
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Gear Housing (Driveshaft)(Standard/Counter Rotation)
schematic
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Gear Housing Propeller Shaft - Counter Rotation
schematic
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Gear Housing Propeller Shaft - Standard Rotation
schematic
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Mercathode Kit
schematic
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Oil Injection Components
schematic
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Port Bleed System
schematic
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Power Trim Components 8M0231193
schematic
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Power Trim Components Metal Motor Housing
schematic
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Power Trim Components Plastic Motor Housing
schematic
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Powerhead Gasket Set Components
schematic
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Reservoir Kit-Remote Oil (15943A1)
schematic
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Service/Support Material
schematic
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Solenoid Plate
schematic
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Speedometer/Block Pressure System
schematic
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Starboard Bleed System
schematic
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Starter Motor
schematic
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Swivel Bracket and Steering Arm
schematic
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Throttle Linkage
schematic
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Tools
schematic
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Top Cowl
schematic
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Transom Brackets
schematic
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Vapor Separator Components
schematic