Namura Piston Kit 71.45mm – Yamaha YFM250 Big Bear 4x4 '07–'09 S3-TYREFORMAT2_275/45/19 S/M - L/XL - XXL

S/M - L/XL - XXL

Genuine Shoei upper air intake

Ladies Jackets - Leather

Outside Diameter: 7in (178mm)

Namura Piston Kit 71.45mm – Yamaha YFM250 Big Bear 4x4 '07–'09 S3-TYREFORMAT2_275/45/19 S/M - L/XL - XXLNamura provides high quality piston options to suit a wide range of applications, including direct OEM replacements, high compression variants, and multiple oversizes. B (0. 01 mm) and C (0. 02 mm) oversizes are also available, helping to extend the service life of expensive plated cylinders. Select applications are supported with big bore piston kits. With the addition of MOS2 coating and hard anodising, Namura delivers improved performance and