Wiseco Piston Kit for 1983-20 Yamaha PW50 - 40.00mm Cylinder - 653M04000

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Wiseco Performance Piston KitPart Number: 653M04000 These kits contain everything you need to complete your piston repair, the first time High Performance ring kit and alloy pin in cluded with each piston kit for extended life and sustained power. Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy. All Piston Kits are precision crafted and forged in the USA Wiseco's Piston Kits are offered for nearly every popular application in the powersports market. These kits contain everything you need to complete your piston repair, the first time. High quality parts specifically chosen by us to match our forged pistons are included in this kit for easy one stop shopping. 2-stroke kits feature our Pro-Lite pistons that are CNC machined for optimal cam shape and profile for peak HP and service life. 4-stroke kits feature a race-ready dome finish with smooth edges for improved combustion flow. Horizontal slot-pin oiling reduces friction and provides scuff resistance, along with a pressure seal groove for maximum ring seal. 4-stroke race applications feature Wiseco's Armor Glide skirt coating to provide reduced friction and noise to contribute to increased horsepower. Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Super-bike, and more. Fits: 1983-15 Yamaha PW50 Specs: Displacement: 49cc Bore-Standard: 40.00mm Bore-Actual: 40.00mm Bore-Oversize: STD Stroke: 39.20mm Items Included Fitments Show more