ATHENA 0910-2504 S4F09800004A Piston Kit for Athena Big Bore Cylinder Piston Kit - 97.94 mm - Yamaha Brand_Michelin Taillight assembly has built-in run

Taillight assembly has built-in run

Use stock mounts and snugly fits to edge of fender without any gaps

Product Name Clutch Kit Riding Style Off-Road Type Friction Plate Set Units Kit

Limit deformation thanks to the rigidity

Spring rates have been chosen to reduce front-end dive during braking

ATHENA 0910-2504 S4F09800004A Piston Kit for Athena Big Bore Cylinder Piston Kit - 97.94 mm - Yamaha Brand_Michelin Taillight assembly has built-in runFeatures High resistance to mechanical and thermal stresses Has been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in the most extreme conditions Specs Model Racing Style Forged Big Bore Compression Ratio 12. 4: 1 Bore Size 97. 94 mm Engine Type 4 Stroke Piston Material Forged 2618 Aluminum Riding Style ATV Type A Displacement 450 cc Product Name Piston Kit Units Kit 2004