WSM Platinum Series Piston Kit 79.90mm Yamaha WaveRunner

Description

Upgrade your Yamaha WaveRunner’s engine with the WSM Platinum Series Piston Kit, featuring a 79.90mm standard bore. Designed for 2-stroke powervalve motors, this kit includes a platinum series piston, wrist pin, ring set, and circlips. The piston features a nonabrasive MoS2 (Molybdenum Disulfide) skirt coating to reduce heat and friction, extend engine life, and enhance performance. Specially hardened tops add strength to ring grooves, and the improved E-clip design ensures secure installation. Suitable for various Yamaha WaveRunner models including XLT, XL, GP, and XR 1800 from 1998-2005. Order one kit per cylinder. 

Note: For use with powervalve motors only.