Select type, year, make, and model
The Wiseco 653M04000 piston kit is engineered for Yamaha PW50 models, offering superior durability and performance for both trail riding and racing applications. Crafted from high-silicon aluminum alloy, this forged piston provides maximum strength and dependability, ensuring reliable operation under demanding conditions. The kit features forged pistons, rings, wrist pins, and circlips, all designed to work together seamlessly to deliver increased horsepower and torque. Its innovative forging design and piston skirt optimize power output while maintaining structural integrity during high-stress events.
Each piston benefits from advanced features such as ultra-stiff strutted forgings, high compression ratios, and titanium nitride-coated rings, which contribute to sustained power and enhanced longevity. The entire assembly is E-coated on the crown, ring grooves, and pin bore to resist wear, micro-welding, galling, and detonation, providing improved protection for extended service intervals. The design incorporates less external machining for better bore sealing and increased compression, while boost ports are removed to produce a more predictable powerband and a stronger top-end pull.
Designed for expert racers and tuners, this piston kit is ideal for those seeking to maximize engine performance with precision components. Please note that cylinder sleeves are sold separately, and proper installation requires advanced mechanical knowledge. Upgrading to Wiseco’s Racer’s Choice pistons can also help extend service intervals compared to standard options, making this kit a reliable choice for competitive racing and high-performance riding.
Features:
US Dollars
