New Outboard Powerhead Rebuild Kit – Yamaha 40/50 HP 3-Cylinder (1984-1994)
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$391.32
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Product details
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Description
Restore your Yamaha outboard’s performance with confidence. This complete powerhead rebuild kit gives you everything you need to bring your Yamaha 40 HP or 50 HP 3-Cylinder engine (1984-1994) back to peak performance and reliability, all in one convenient package.
Why This Yamaha Outboard Powerhead Rebuild Kit is Best
- Japanese piston rings ensure smooth operation and reduced blow-by
- High-quality gaskets and seals prevent leaks under all marine conditions
- OEM-grade bearings and hardware provide smooth crank operation and longevity
Each component meets or exceeds OEM specifications, ideal for both professional marine mechanics and serious DIY builders.
Built for Yamaha Precision
The powerhead rebuild kit is compatible with the following Yamaha engines:
- 3 Cyl 2.638 Bore 40 HP 1989-1994
- 3 Cyl 2.638 Bore 50 HP 1989-1994
- 3 Cyl Jet 40 HP 1991-1994
- 3 Cyl Jet 50 HP 1991-1994
All-in-One Engine Rebuild Solution
Each kit includes every essential component for rebuilding your Yamaha powerhead professionally, ensuring a precise fit, superior compression, and long-term durability.
- Three Pistons [Complete with rings, pins, and clips]
- One Gasket Kit [including 1 Head Gasket, 1 Cylinder Head Gasket, 1 Base Gasket, 2 Valve Seat Gaskets, 1 Exhaust Inner Gasket, 1 Exhaust Outer Gasket, 1 Lower Crank O Ring, 1Fuel Filter O-Ring, 1 Thermostat Gasket, 2 Lower Housing Oil Seals, 1 Upper Crank Oil Seal, 1 Lower Crank Oil Seal, 1 Fuel Pump Gasket, 1 Upper Housing Gasket, 3 Carbureter Mounting Gaskets, 3 Air Box Seal Seals, and 1 Head Plug Gasket]
- Main Bearings [One Upper and One Lower]
- Rod Bearings [Three Upper] [Note: this kit does not include Lower Rod Bearings due to the model of the powerhead.]
Available Sizes: Standard or Oversized Pistons (.010”, .020”, .030”, .040”), please specify your piston size before ordering.
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