This WSM powerhead rebuild kit is built for Yamaha 225-300 HP HPDI 3.3L (2003-2015). It packages the major internal components needed for a powerhead overhaul in one application-specific kit.
Fitment
- This rebuild kit is designed for Yamaha 225-300 HP HPDI 3.3L Powerheads from 2003-2015 with 3.661" bore standard pistons.
Technical Specifications
- WSM standard-size kit number: 100-295-10
- This rebuild kit is designed for Yamaha 225-300 HP HPDI 3.3L Powerheads from 2003-2015 with 3.661" bore standard pistons
Piston Size Options
- Standard
- .020 oversize
- .030 oversize
- .040 oversize
Select piston size only after measuring the finished cylinder bore.
Complete Kit Includes
- Three Port and Three Starboard Platinum Series Pistons [Complete with rings, pins, and clips
- One Gasket Set
- including 2 Head Gaskets, 2 Head Cover Gaskets, 1 Base Gasket, 2 Plug Gaskets, 6 Reed Valve Gaskets, 2 Intake Gaskets, 1 Exhaust Gasket, 2 Lower O-Rings, 1 Bypass Cover Gasket,2 Thermostat Gaskets, 1 Crank Case Cover Gasket, 1 Bypass Cover Gasket, 2 Cover Gaskets, 1 Oil Pump O-Ring, 1 Crank O-Ring, 1 Upper Crank Oil Seal, 1 Lower Crank Seal, 1 Crank Seal, 1 Lower Seal and 2 Fuel Pump Gaskets
- Two Different Upper Main Bearings, Two Center Main Bearings, and One Lower Main Bearing
- Six Upper Rod Bearings and Six Lower Rod Bearings
- Twelve Rod Bolts
- Enhanced piston coating for smoother operation and reduced friction
- Piston Options:
Fitment Note
Outboard applications can vary by horsepower, year, bore size, internal configuration, and serial or model range. Compare the fitment and technical details above with your engine before ordering. If you are unsure, send us your motor information and we can help confirm the correct kit.
Questions About This Product?
Have questions about this product? Email us at customerservice@marinepartswarehouse.com and include your motor information with your question.
