This WSM powerhead rebuild kit is for Yamaha 115 and 130 HP 4-cylinder outboards from the earlier 6E5-rod family. It is the 3.544-inch bore, 21.5 mm wrist-pin application and includes the pistons, gasket set, crank bearings, rod bearings, and rod bolts needed for the rebuild.
Fitment
- Yamaha 115 HP 4-cylinder: 1984-1992
- Yamaha 130 HP 4-cylinder: 1988-1992
Technical Specifications
- WSM standard-size kit: 100-270-10
- 4-cylinder powerhead
- 3.544-inch standard bore
- Uses the 6E5 connecting-rod family
- 21.5 mm wrist-pin application
Piston Size Options
- Standard
- .010 oversize
- .020 oversize
- .030 oversize
- .040 oversize
Measure the finished cylinder bore before selecting piston size.
Complete Kit Includes
- 4 WSM piston kits with rings, wrist pins, and clips; Standard or Platinum piston option depending on the selected product option
- Complete gasket kit: 2 head gaskets, 2 head-cover gaskets, 1 base gasket, 1 intake-manifold gasket, 4 reed gaskets, 3 carburetor gaskets, 1 air-box gasket, 2 exhaust gaskets, 1 upper-bearing O-ring, 1 lower-bearing O-ring, 1 fuel-pump gasket, 2 thermostat gaskets, 1 cover gasket, 1 bypass 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
- 4 upper connecting-rod bearings and 4 lower connecting-rod bearings
- 8 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.
