This WSM powerhead rebuild kit is for Yamaha 75, 85, and 90 HP 3-cylinder outboards in the specific year ranges below. It is based on the 3.228-inch bore family and includes the major internal components needed for a complete powerhead rebuild.
Fitment
- Yamaha 75 HP 3-cylinder: 1994-2000
- Yamaha 85 HP 3-cylinder: 1989-1996
- Yamaha 90 HP 3-cylinder: 1984-2009
- Yamaha Jet 90 HP 3-cylinder: 1991-2001
Technical Specifications
- WSM standard-size kit: 100-265-10
- 3-cylinder powerhead
- 3.228-inch standard bore
Piston Size Options
- Standard
- .010 oversize
- .020 oversize
- .030 oversize
- .040 oversize
Measure the finished cylinder bore before selecting piston size.
Complete Kit Includes
- 3 WSM piston kits with rings, wrist pins, and clips
- Complete gasket kit: 1 head gasket, 1 head-cover gasket, 1 base gasket, 2 reed gaskets, 3 carburetor gaskets, 2 exhaust-cover gaskets, 1 upper crank O-ring, 1 lower crank O-ring, 3 carburetor O-rings, 3 additional O-rings, 1 fuel-pump gasket, 1 thermostat gasket, 1 upper crank oil seal, and 2 lower crank oil seals
- 1 upper main bearing, 2 center main bearings, and 1 lower main bearing
- 3 upper connecting-rod bearings and 3 lower connecting-rod bearings
- 6 connecting-rod bolts
Fitment Note
Yamaha applications can vary within the same horsepower and year range. Verify the horsepower, year, cylinder configuration, bore size, and any reed or connecting-rod details listed above before ordering.
Questions About This Product?
Have questions about this product? Email us at customerservice@marinepartswarehouse.com and include your motor information with your question.
