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The WISECO PK1157 piston kit is specifically engineered for Yamaha PW50 models, offering an ideal combination of performance and durability. Designed with dedicated forgings and additional lightening operations, this piston provides an optimized strength-to-weight ratio that enhances engine responsiveness and longevity. Crafted and machined in the USA, the kit ensures high-quality standards and precise fitment for your 2-stroke engine. It includes all essential components such as piston(s), ring set, wrist pin(s), circlips, bearing(s), and gaskets, simplifying your repair or upgrade process. Whether you're restoring an older engine or seeking improved performance, this piston kit delivers reliable and consistent power output. The 40.00 mm diameter piston is perfectly suited for Yamaha PW50 models, ensuring optimal compression and efficient operation. Trust WISECO for performance-focused engine components that meet rigorous manufacturing standards and deliver long-lasting results.
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