{"product_id":"wiseco-piston-kit-40-00-mm-yamaha-pw50-653m04000","title":"WISECO Piston Kit 40.00 mm Yamaha PW50 653M04000","description":"Piston Kit - 40.00 mm - Yamaha PW50\n\u003cp\u003eThe WISECO Piston Kit is a 40.00 mm piston kit designed for select Yamaha PW50 applications. Forged from a high-silicon aluminum alloy, it is engineered for strength, dependability, durability, and sustained performance in trail and racing applications. The piston design and skirt profile support increased horsepower and torque, while the high-tech construction provides a high compression ratio and an ultra-stiff forging.\u003c\/p\u003e\u003cp\u003eThis kit features a forged piston, rings, wrist pin, and circlips. The piston crown, ring grooves, and pin bore receive an E-Coating for wear resistance and protection against micro-welding, galling, and detonation. Titanium nitride-coated rings and the GP Series design help support bore sealing and increased compression. Boost ports are removed for a more predictable powerband and increased pull on the top end. Cylinder sleeves must be purchased separately.\u003c\/p\u003e\u003cp\u003eDistributor part number: 653M04000. Manufacturer part number: 653M04000. Fitment includes 1982, 1992, 1993, 1994, 1995, 2000, 2010, 2015, 2017, and 2019 Yamaha PW50 models. Racer's Choice pistons are intended for expert racers and tuners only, and service intervals may be increased compared with conventional WISECO pistons.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e40.00 mm piston kit for select Yamaha PW50 applications\u003c\/li\u003e\n\u003cli\u003eForged from high-silicon aluminum alloy for strength and dependability\u003c\/li\u003e\n\u003cli\u003eIncludes forged piston, rings, wrist pin, and circlips\u003c\/li\u003e\n\u003cli\u003eE-Coated crown, ring grooves, and pin bore for wear resistance and protection\u003c\/li\u003e\n\u003cli\u003eTitanium nitride-coated rings support sustained performance\u003c\/li\u003e\n\u003cli\u003eGP Series design helps seal the bore for increased compression\u003c\/li\u003e\n\u003cli\u003eRemoved boost ports provide a more predictable powerband and increased top-end pull\u003c\/li\u003e\n\u003cli\u003eCylinder sleeves must be purchased separately\u003c\/li\u003e\n\u003cli\u003eIntended for expert racers and tuners\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1981 Yamaha PW50\u003cbr\u003e\n1982 Yamaha PW50\u003cbr\u003e\n1983 Yamaha PW50\u003cbr\u003e\n1984 Yamaha PW50\u003cbr\u003e\n1985 Yamaha PW50\u003cbr\u003e\n1986 Yamaha PW50\u003cbr\u003e\n1987 Yamaha PW50\u003cbr\u003e\n1988 Yamaha PW50\u003cbr\u003e\n1989 Yamaha PW50\u003cbr\u003e\n1990 Yamaha PW50\u003cbr\u003e\n1991 Yamaha PW50\u003cbr\u003e\n1992 Yamaha PW50\u003cbr\u003e\n1993 Yamaha PW50\u003cbr\u003e\n1994 Yamaha PW50\u003cbr\u003e\n1995 Yamaha PW50\u003cbr\u003e\n1996 Yamaha PW50\u003cbr\u003e\n1997 Yamaha PW50\u003cbr\u003e\n1998 Yamaha PW50\u003cbr\u003e\n1999 Yamaha PW50\u003cbr\u003e\n2000 Yamaha PW50\u003cbr\u003e\n2001 Yamaha PW50\u003cbr\u003e\n2002 Yamaha PW50\u003cbr\u003e\n2003 Yamaha PW50\u003cbr\u003e\n2004 Yamaha PW50\u003cbr\u003e\n2005 Yamaha PW50\u003cbr\u003e\n2006 Yamaha PW50\u003cbr\u003e\n2007 Yamaha PW50\u003cbr\u003e\n2008 Yamaha PW50\u003cbr\u003e\n2009 Yamaha PW50\u003cbr\u003e\n2010 Yamaha PW 50\u003cbr\u003e\n2011 Yamaha PW 50\u003cbr\u003e\n2012 Yamaha PW50\u003cbr\u003e\n2013 Yamaha PW50\u003cbr\u003e\n2014 Yamaha PW50\u003cbr\u003e\n2015 Yamaha PW50\u003cbr\u003e\n2016 Yamaha PW50\u003cbr\u003e\n2017 Yamaha PW50\u003cbr\u003e\n2018 Yamaha PW50\u003cbr\u003e\n2019 Yamaha PW50\u003cbr\u003e\n2020 Yamaha PW50\u003cbr\u003e\n2021 Yamaha PW50\u003cbr\u003e\n2022 Yamaha PW50\u003cbr\u003e\n2023 Yamaha PW50\u003cbr\u003e\n2024 Yamaha PW50\u003cbr\u003e\n2025 Yamaha PW50\u003cbr\u003e\n2026 Yamaha PW50","brand":"WISECO","offers":[{"title":"Default Title","offer_id":68485360386283,"sku":"653M04000","price":109.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/148586.png?v=1794374397","url":"https:\/\/ctracingservices.com\/products\/wiseco-piston-kit-40-00-mm-yamaha-pw50-653m04000","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}