WISECO 0910-2853 4939M08550 Piston Kit Forged Series for 4-Stroke Piston Kit - 85.50 mm - Yamaha Brand_Dynatek record and share data logs

record and share data logs tunes

Lubrication capacities for the roller

00 mm Inside Diameter 37

Mounting holes come pre-drilled

WISECO 0910-2853 4939M08550 Piston Kit Forged Series for 4-Stroke Piston Kit - 85.50 mm - Yamaha Brand_Dynatek record and share data logsFeatures Forged 4 stroke piston is designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength Dedicated forgings allow for optimized strength to weight ratio Ideal for multiple purpose riding Kit includes piston, wrist pin, rings and circlips Specs Displacement 420 cc Bore Oversize +1,00 mm Piston Diameter 85. 45 mm Piston Material Forged 2618 Aluminum Compression Ratio