Athena S4F05300002B Forged Big Bore Piston Kit 105cc, B Size 52.96mm Yamaha YZ85
Big End Pin Diameter (mm) 14x10x41
Bore Diameter (mm) 52.96 "B" Size
Compression Ratio STD
Displacement (cc) 105cc
Piston Head Type Flat
Piston Pin Type Standard
Piston Type Forged
Fits Yamaha YZ85 2002-2023 53mm Big Bore
Bore Diameter (mm) 52.96 "B" Size
Compression Ratio STD
Displacement (cc) 105cc
Piston Head Type Flat
Piston Pin Type Standard
Piston Type Forged
Fits Yamaha YZ85 2002-2023 53mm Big Bore