Finding the correct pistons and gaskets to rebuild an overbored engine can be challenging, but you're in luck! These WSM Overbore Top End Piston Rebuild Kits are high-quality and feature construction that meets or exceeds OEM specifications. Every kit is made of high-grade materials to ensure it can withstand whatever your ride puts you through. These kits contain overbored pistons, ring sets, wrist pins, racing needle bearings, head & base gaskets, intake & exhaust gaskets, and improved E-clips. These rebuild kits are also available in the platinum series, featuring specially hardened tops and an enhanced skirt coating for increased performance and longevity. This kit is for cylinders that have already been overbored. WILL NOT WORK WITH STOCK BORE CYLINDERS/SLEEVES.

Whenever possible we use picture of the actual part number. Some items do use stock photos provided by the manufacturer.

 

Finding the correct pistons and gaskets to rebuild an overbored engine can be challenging, but you're in luck! These WSM Overbore Top End Piston Rebuild Kits are high-quality and feature construction that meets or exceeds OEM specifications. Every kit is made of high-grade materials to ensure it can withstand whatever your ride puts you through. These kits contain overbored pistons, ring sets, wrist pins, racing needle bearings, head & base gaskets, intake & exhaust gaskets, and improved E-clips. These rebuild kits are also available in the platinum series, featuring specially hardened tops and an enhanced skirt coating for increased performance and longevity. This kit is for cylinders that have already been overbored. WILL NOT WORK WITH STOCK BORE CYLINDERS/SLEEVES.


With over four decades of experience, WSM™ supplies to some of the best, well-known powersports industries internationally; selling products from categories ranging from electrical, engines, and frames to accessories and other rider supplies. WSM™ provides exceptional quality products like WSM Top End Piston Rebuild Kit .5mm Over 77.5mm for Yamaha WaveRunner 650, at reasonable prices.


This kit will only fit cylinders that are overbored to the bore size listed, standard bore top end kits are available in another listing. Stock cylinders will need to be re-bored and re-plated to the appropriate size.






CLICK HERE to check out our other NEW WaveRunner III 700 parts.

Make sure to check out our other used WaveRunner III 700 parts.

 

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