{"product_id":"wiseco-pro-lite-piston-kit-2mm-over-yamaha-yz125-2005-2021-845m05600","title":"Wiseco Pro-Lite Piston Kit (+2mm Over) | Yamaha YZ125 (2005–2021) 845M05600","description":"\u003cp data-path-to-node=\"1\"\u003eBoost the displacement and power of your Yamaha with the \u003cb data-path-to-node=\"1\" data-index-in-node=\"57\"\u003eWiseco 845M05600 Piston Kit\u003c\/b\u003e. Engineered for the \u003cb data-path-to-node=\"1\" data-index-in-node=\"105\"\u003e2005–2021 Yamaha YZ125\u003c\/b\u003e, this kit is designed for riders looking to push performance with a \u003cb data-path-to-node=\"1\" data-index-in-node=\"196\"\u003e+2mm overbore\u003c\/b\u003e, bringing the total bore size to \u003cb data-path-to-node=\"1\" data-index-in-node=\"243\"\u003e56.00mm\u003c\/b\u003e.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"2\"\u003ePerformance \u0026amp; Durability\u003c\/h3\u003e\n\u003cp data-path-to-node=\"3\"\u003eAs part of Wiseco's \u003cb data-path-to-node=\"3\" data-index-in-node=\"20\"\u003ePro-Lite Series\u003c\/b\u003e, this piston is forged from high-silicon aluminum alloy. The forging process creates a much stronger part than standard casting, allowing it to withstand the higher heat and higher RPMs required in competitive 2-stroke racing.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"4\"\u003eKey Features:\u003c\/h3\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eBig Bore Performance:\u003c\/b\u003e Precision-machined to \u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"44\"\u003e56.00mm\u003c\/b\u003e (+2mm over stock) for increased displacement and improved torque.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eForged Strength:\u003c\/b\u003e High-silicon alloy provides superior structural integrity and expanded life cycles under racing conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eRace-Ready Profile:\u003c\/b\u003e CNC-machined cam and barrel shapes result in less friction and more consistent power delivery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eLightweight Design:\u003c\/b\u003e Optimized weight for faster throttle response and reduced vibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eBore Diameter:\u003c\/b\u003e 56.00mm (+2mm Oversize)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eDisplacement:\u003c\/b\u003e Increased for 125cc class (Requires cylinder boring)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003ePart Number:\u003c\/b\u003e 845M05600\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eFitment:\u003c\/b\u003e Yamaha YZ125 (Years 2005 through 2021)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eComplete Kit Includes:\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003e1x Forged Pro-Lite Piston\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eHigh-Performance Ring Set\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eWrist Pin\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eRound Wire Circlips\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-path-to-node=\"10\"\u003e\n\u003cp data-path-to-node=\"10,0\"\u003e\u003cb data-path-to-node=\"10,0\" data-index-in-node=\"0\"\u003eTechnical Note:\u003c\/b\u003e This is an \u003cb data-path-to-node=\"10,0\" data-index-in-node=\"27\"\u003eOversize Piston\u003c\/b\u003e. Your cylinder \u003cb data-path-to-node=\"10,0\" data-index-in-node=\"58\"\u003emust\u003c\/b\u003e be bored and replated (if applicable) to 56.00mm to utilize this kit.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eShipping Details\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003e\u003cb data-path-to-node=\"13\" data-index-in-node=\"0\"\u003eFree Shipping Included!\u003c\/b\u003e 📦 We provide free shipping to the lower 48 states. \u003ci data-path-to-node=\"13\" data-index-in-node=\"76\"\u003e(Note: We currently do not ship to Alaska, Hawaii, Guam, or Puerto Rico.\u003c\/i\u003e\u003c\/p\u003e","brand":"UpdogIndustries.com","offers":[{"title":"Default Title","offer_id":43558578782282,"sku":"845M05600","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0226\/1499\/9114\/files\/s-l1600-2026-04-30T134112.074.webp?v=1777574611","url":"https:\/\/updogindustries.com\/products\/wiseco-pro-lite-piston-kit-2mm-over-yamaha-yz125-2005-2021-845m05600","provider":"UpdogIndustries.com","version":"1.0","type":"link"}