{"product_id":"prox-01-2018-c-piston-kit-43-46-mm-yamaha-yz65-2001-2018","title":"ProX 01.2018.C Piston Kit - 2018-2026 Yamaha YZ65 65cc Size C","description":"\u003ch3\u003eProX 01.2018.C Premium CNC Machined Piston Kit\u003c\/h3\u003e\n\n\u003cp\u003eWhen it is time to refresh the top end of your 65cc machine, the ProX 01.2018.C Piston Kit provides the reliability and precision your young racer needs to stay competitive. These pistons are precision machined on state-of-the-art CNC equipment to ensure tight tolerances and consistent power delivery. For riders who demand Factory Quality components for their 2-stroke engines, Moto-House MX delivers the parts that keep bikes running at peak performance.\u003c\/p\u003e\n\n\u003cp\u003eThis kit is manufactured using high-quality aluminum alloys that meet or exceed original equipment standards. By focusing on maintained strength and optimized weight, ProX pistons offer excellent durability and thermal management under racing conditions. This Standard Size C kit is engineered specifically for cylinders that have seen moderate use, providing a slightly larger diameter to maintain the perfect piston-to-cylinder wall clearance on your Yamaha YZ65.\u003c\/p\u003e\n\n\u003ch3\u003eTop Features: ProX 01.2018.C Piston Kit\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eCNC Precision Machining:\u003c\/b\u003e Manufactured on advanced equipment for exact tolerances and fitment.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eHigh-Grade Aluminum Alloy:\u003c\/b\u003e Durable construction designed to withstand high-revving 2-stroke operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eStandard Size C Fitment:\u003c\/b\u003e Engineered to provide a precise fit for used cylinders requiring a 43.46 mm piston.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eFactory Quality Reliability:\u003c\/b\u003e A trusted aftermarket solution that meets rigorous performance standards.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eComplete Kit:\u003c\/b\u003e Includes the piston, ring kit, wrist pin, and circlips for a hassle-free rebuild.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e When performing a top-end rebuild on a used cylinder, using a \"Size C\" piston helps compensate for minor cylinder wear to restore optimal compression and performance.\u003c\/p\u003e\n\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eYear Range\u003c\/th\u003e\n            \u003cth\u003eVehicle Brand\u003c\/th\u003e\n            \u003cth\u003eVehicle Model \u0026amp; Size\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e2018-2026\u003c\/td\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eYZ65\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: What is the difference between Size A and Size C?\u003c\/b\u003e\u003cbr\u003e\nA: Size C (43.46 mm) is slightly larger than Size A. It is designed to maintain proper clearances in cylinders that have been broken in or show slight wear.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Does this kit include everything needed for the piston swap?\u003c\/b\u003e\u003cbr\u003e\nA: Yes, the ProX kit includes the piston, high-performance rings, wrist pin, and circlips. We recommend a fresh gasket kit for installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Is this a forged or cast piston?\u003c\/b\u003e\u003cbr\u003e\nA: ProX pistons are manufactured using high-quality alloys and CNC machining to deliver Factory Quality performance and durability.\u003c\/p\u003e\n\n\u003ch3\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eTop End Gasket Set:\u003c\/b\u003e Complete your Yamaha YZ65 rebuild with a leak-free seal using a fresh gasket kit.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eHigh-Performance 2-Stroke Oil:\u003c\/b\u003e Protect your new piston with premium pre-mix or injector oil.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eRestore your machine's performance today. Buy now at Moto-House MX!\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eMoto-House MX – Choice of Champions\u003c\/b\u003e – is located in Clermont\/Montverde, FL. The Best Motocross\/UTV \u0026amp; ATV Shop in Central Florida. Stop by our local store in Montverde, FL or enjoy lightning-fast shipping across the USA.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"ProX 01.2018.C Piston Kit\",\n  \"image\": [],\n  \"description\": \"Premium ProX 01.2018.C CNC Machined Piston Kit for Yamaha YZ65 models 2018-2026. 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