{"product_id":"prox-piston-kit-1-00mm-oversize-for-yamaha-xtz-660-yfm-660-r","title":"Prox Piston Kit +1.00mm Oversize for Yamaha XTZ 660 YFM 660 R","description":"\u003cp\u003eUpgrade your Yamaha XTZ 660 or Raptor YFM 660 R with the high-performance Prox +1.00mm oversize piston kit. Engineered for precision and durability, this complete piston kit offers an ideal solution for restoring or enhancing your 4-stroke engine's power and reliability.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eExperience superior engine performance with the Prox +1.00mm oversize piston kit, meticulously manufactured in Japan to meet or exceed OEM specifications. This premium piston kit is specifically designed for Yamaha Tenere XTZ 660 and Raptor YFM 660 R models from 1991 to 2007, ensuring perfect fitment and optimal function. Each component is precision machined on state-of-the-art CNC equipment, guaranteeing exceptional dimensional accuracy and a flawless finish. When installing, these oversize piston options adhere strictly to manufacturer piston-to-cylinder wall clearances, providing reliable operation and longevity. Whether you're rebuilding a worn engine or seeking to improve compression and power, this Prox piston kit delivers the quality and performance demanding riders expect from their 4-stroke motorcycle engine.\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional OEM-Quality Construction:\u003c\/strong\u003e Manufactured in Japan to stringent standards, this kit provides a direct, high-quality OEM replacement, ensuring your Yamaha XTZ 660 or Raptor YFM 660 R engine performs reliably with components that meet or exceed factory specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Engineered for Optimal Fit:\u003c\/strong\u003e Each piston is meticulously crafted using state-of-the-art CNC equipment, guaranteeing precise dimensions for a perfect fit and consistent performance, essential for the longevity and efficiency of your 4-stroke engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Oversize Design:\u003c\/strong\u003e The +1.00mm oversize piston options are engineered to strictly follow manufacturer piston-to-cylinder wall clearances, ensuring superior sealing, reduced blow-by, and consistent power delivery across the RPM range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Durability:\u003c\/strong\u003e Constructed from robust materials, this piston kit is built to withstand the rigorous demands of high-performance riding, offering long-lasting reliability and resistance to wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete \u0026amp; Convenient Kit:\u003c\/strong\u003e This comprehensive kit includes all necessary components for a hassle-free piston replacement, featuring the piston, high-quality piston rings, a durable wrist pin, and secure circlips, making your engine rebuild straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 0193564275653\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Prox","offers":[{"title":"Default Title","offer_id":63703440032074,"sku":"PX4674","price":201.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/3e8ed3431c616859fd58809b267fc6cc_50f34b3e-626d-4723-80e3-42a0f1880053.webp?v=1790497652","url":"https:\/\/partsdenmark.com\/fr\/products\/prox-piston-kit-1-00mm-oversize-for-yamaha-xtz-660-yfm-660-r","provider":"Parts Denmark","version":"1.0","type":"link"}