{"product_id":"prox-01-2018-b-piston-kit-for-yamaha-yz65-43-45-mm","title":"ProX Piston Kit for Yamaha YZ65, 43.45 mm (01.2018.B)","description":"\u003cp\u003eThe PROX 01.2018.B Piston Kit is designed for Yamaha YZ65 applications requiring dependable replacement engine components. Precision machined on advanced CNC equipment, this piston is manufactured for consistent quality, accurate fitment, and reliable performance in demanding motocross conditions. The 43.45 mm piston size provides a precise replacement option for compatible Yamaha YZ65 engines.\u003cbr\u003eThe kit includes the piston, ring kit, wrist pin, and circlips needed for a complete piston replacement. Each component is selected to work together as part of a properly matched service solution, helping simplify installation and reduce the need to source individual parts separately. Always verify engine specifications and application compatibility before installation.\u003cbr\u003ePROX oversized piston options are developed according to manufacturer-recommended piston-to-cylinder-wall clearances. Proper clearance is essential for piston movement, heat management, durability, and efficient engine operation. Professional installation and accurate measurement of the cylinder are recommended to confirm the correct piston size and clearance for your engine.\u003cbr\u003eBuilt for riders, technicians, and engine builders, the PROX 01.2018.B Piston Kit offers a practical replacement solution for maintaining Yamaha YZ65 engine performance. Follow the manufacturer’s service procedures for assembly, ring installation, wrist pin retention, break-in, and final inspection.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBrand: PROX\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePart Number: 01.2018.B\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApplication: Yamaha YZ65\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePiston Size: 43.45 mm\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufacturing: Precision machined on CNC equipment\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eClearance: Oversized options follow manufacturer piston-to-cylinder-wall clearances\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eKit Contents: Piston, ring kit, wrist pin, and circlips\u003c\/li\u003e\u003c\/ul\u003e\r\n\u003cp\u003eShips from Parts Unlimited.\u003c\/p\u003e","brand":"ProX","offers":[{"title":"Default Title","offer_id":60117683765534,"sku":"01.2018.B","price":88.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/7884\/7518\/files\/1491027.png?v=1791109088","url":"https:\/\/shoplepier.com\/products\/prox-01-2018-b-piston-kit-for-yamaha-yz65-43-45-mm","provider":"LEPIER POWERSPORTS","version":"1.0","type":"link"}