Wiseco Piston Kit for Yamaha YZ490 and WR500, 88.00 mm (546M08800)

Upgrade your Yamaha two-stroke engine with the WISECO 546M08800 Piston Kit, engineered for all-purpose riding in demanding conditions. Designed specifically for Yamaha YZ490 and WR500 applications, this piston kit supports dependable engine performance while helping deliver increased horsepower, responsive throttle control, and long service life. Its 88.00 mm piston size provides a precise fit for compatible engine configurations.
WISECO uses a dedicated forging design to optimize the balance between strength and weight. Additional lightening operations help reduce reciprocating mass, promoting enhanced throttle response and crisp engine behavior. The result is a durable replacement piston designed to withstand the demands of high-performance two-stroke riding while maintaining consistent performance.
The WISECO 546M08800 piston is engineered, forged, and machined in the USA. Its manufacturing process is focused on reliable fit, strength, and performance for riders and technicians seeking a quality replacement component. Verify vehicle compatibility and engine specifications before installation to ensure the correct piston kit is selected for your Yamaha application.
Feature: Designed for all-purpose two-stroke riding
Feature: Forged construction for strength-to-weight optimization
Feature: Lightened design for enhanced throttle response
Feature: Engineered, forged, and machined in the USA
Feature: Piston manufactured in the USA
Feature: Compatible with Yamaha YZ490 and WR500 models
Feature: 88.00 mm piston size

Features:

• Designed for all-purpose two-stroke riding

• Forged construction for strength-to-weight optimization

• Lightened design for enhanced throttle response

• Engineered, forged, and machined in the USA

• Piston manufactured in the USA

• Compatible with Yamaha YZ490 and WR500 models

• 88.00 mm piston size

Ships from Parts Unlimited.