{"product_id":"wiseco-559m05700-559m05700-high-performance-piston-kit-piston-kit-57-00-mm-yamaha-yz125-559m05700","title":"WISECO 559M05700 559M05700 High-Performance Piston Kit Piston Kit - 57.00 mm - Yamaha YZ125","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\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore - Oversize\u003c\/td\u003e\n\u003ctd\u003e+1.00 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\u003e123 cc\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\u003ePiston Diameter\u003c\/td\u003e\n\u003ctd\u003e56.95 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e50.00 mm\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\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e50,00 mm\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\u003eBore - Oversize\u003c\/td\u003e\n\u003ctd\u003e+1,00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e57.00 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\u003ePro-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003ePiston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003ch2\u003ePart Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePower valve modification required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e1986-1988\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ 125\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cbr\u003e\u003ch3\u003eFitment Disclosure\u003c\/h3\u003e\u003csmall\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e","brand":"WISECO","offers":[{"title":"Default Title","offer_id":46509647200473,"sku":"559M05700","price":154.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/0421\/8799\/files\/95602089-C5EB-4284-913E-345BD011D201_528269ef-d9d1-4e6e-abb2-68c641974adf.jpg?v=1743041332","url":"https:\/\/spazcycle.com\/products\/wiseco-559m05700-559m05700-high-performance-piston-kit-piston-kit-57-00-mm-yamaha-yz125-559m05700","provider":"SpazCycle","version":"1.0","type":"link"}