Wiseco Forged Series Piston With Gaskets Kit - PK1159 Yamaha 50 1985-2026 Product Type_Intercoms Comes pre-drilled with 2-3/4" O

Comes pre-drilled with 2-3/4" O

Welded tip will fit in the axle of virtually any bike from 80cc minis to 500cc ground pounders

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Wiseco Forged Series Piston With Gaskets Kit - PK1159 Yamaha 50 1985-2026 Product Type_Intercoms Comes pre-drilled with 2-3/4" OFeatures Dedicated forgings and additional lightening operations allow for optimized strength to weight ratio Designed and built for each specific 2 stroke engine Engineered, forged and machined in the USA Kit includes piston(s), ring set, wrist pin(s), circlips, bearing(s) and gaskets Specs Piston Diameter 40. 46 mm Stroke Length 39. 20 mm Type Top End Bore Oversize +0. 50 mm Displacement 49 cc Riding Style Off Road Model Forged Series Bore Size 40.