{"product_id":"wiseco-0910-2871-653m04200-high-performance-piston-kit-piston-kit-42-00-mm-yamaha-pw50","title":"Wiseco Forged Series Piston Kit - 653M04200 Yamaha 50 1981-2026","description":"\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eForged from high-silicon aluminum alloy for maximum strength and dependability\u003c\/li\u003e\n\u003cli\u003eWiseco offers a complete range of popular piston models and years for both trail and racing applications\u003c\/li\u003e\n\u003cli\u003eDurability, longevity and increased horsepower\u003c\/li\u003e\n\u003cli\u003eInnovative forging design and piston skirt provide maximum horsepower and torque\u003c\/li\u003e\n\u003cli\u003eFeatures forged pistons, rings, wrist pins, and circlips\u003c\/li\u003e\n\u003cli\u003eThese high-tech piston designs offer maximum compression ratios, ultra-stiff strutted forgings, and titanium nitride-coated rings, which all add up to more power that is sustained longer\u003c\/li\u003e\n\u003cli\u003eEach piston is E-Coated on the crown, ring grooves, and pin bore, for maximum wear resistance and protection from micro-welding, galling, and detonation\u003c\/li\u003e\n\u003cli\u003eGP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression\u003c\/li\u003e\n\u003cli\u003eAdditionally, boost ports are removed for a more predictable powerband and increased pull on the top end\u003c\/li\u003e\n\u003cli\u003eCylinder sleeves must be purchased separately.\u003c\/li\u003e\n\u003cli\u003eService intervals may be increased with Racer's Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003ePiston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e39,20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore - Oversize\u003c\/td\u003e\n\u003ctd\u003e+2.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e42.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Material\u003c\/td\u003e\n\u003ctd\u003e4032 Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiding Style\u003c\/td\u003e\n\u003ctd\u003eOff-Road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eForged Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Diameter\u003c\/td\u003e\n\u003ctd\u003e41.96 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSkirt Coating\u003c\/td\u003e\n\u003ctd\u003eNon-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e39.20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore - Oversize\u003c\/td\u003e\n\u003ctd\u003e+2,00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompression Ratio\u003c\/td\u003e\n\u003ctd\u003eStock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e49 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Material\u003c\/td\u003e\n\u003ctd\u003eForged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnits\u003c\/td\u003e\n\u003ctd\u003eKit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"WISECO","offers":[{"title":"Default Title","offer_id":46344983675097,"sku":"0910-2871","price":116.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/0421\/8799\/files\/CBB34ACC-8B0A-4EA4-B96C-DF6A7D11FD96.jpg?v=1738028452","url":"https:\/\/spazcycle.com\/products\/wiseco-0910-2871-653m04200-high-performance-piston-kit-piston-kit-42-00-mm-yamaha-pw50","provider":"SpazCycle","version":"1.0","type":"link"}