{"product_id":"spi-020-over-bore-piston-kit-for-yamaha-vk540-vk540-ii-vk540-iii-73-5mm","title":"SPI .020 Over Bore Piston Kit for Yamaha VK540, VK540 II \u0026 VK540 III 73.5mm","description":"\u003ch2\u003eSPI .020 Over Bore Piston Kit for Yamaha VK540\u003c\/h2\u003e\u003cp\u003eThis .020 over bore piston kit for Yamaha VK540, VK540 II, and VK540 III models is a replacement piston set with a 73.5mm bore size designed to restore engine performance after a cylinder bore-out.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .020 over bore piston kit is a high-quality aftermarket replacement for Yamaha VK540 snowmobile engines, providing the necessary piston and rings to rebuild the top end. It is suitable for VK540, VK540 II, and VK540 III models, ensuring a reliable fit for these machines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined .020 oversize piston for accurate cylinder fit\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings for proper sealing\u003c\/li\u003e\n\u003cli\u003eCast from durable alloy for long service life\u003c\/li\u003e\n\u003cli\u003eDesigned to meet OEM specifications\u003c\/li\u003e\n\u003cli\u003e73.5mm bore diameter matches standard oversize for VK540\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha VK540\u003c\/li\u003e\n\u003cli\u003efor Yamaha VK540 II\u003c\/li\u003e\n\u003cli\u003efor Yamaha VK540 III\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed during engine top-end rebuilds on Yamaha snowmobiles\u003c\/li\u003e\n\u003cli\u003eIdeal for restoring compression and power after cylinder wear\u003c\/li\u003e\n\u003cli\u003eSuitable for trail riding and recreational snowmobiling\u003c\/li\u003e\n\u003cli\u003eCommonly installed when boring cylinders to eliminate scoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e73.5mm (.020 over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha VK540, VK540 II, VK540 III\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this piston kit compatible with stock cylinders? \u003cstrong\u003eA:\u003c\/strong\u003e This .020 over bore piston kit is designed for use with cylinders that have been bored to the appropriate oversize; it is not intended for standard bore cylinders.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include wrist pins or circlips? \u003cstrong\u003eA:\u003c\/strong\u003e Typically, this piston kit includes the piston and rings; wrist pins and circlips may be sold separately, so check your existing components.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44890489258070,"sku":"SZ1F11824","price":136.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_e106dd61-9d8f-4084-85be-9eb08f23e0ad.jpg?v=1781140564","url":"https:\/\/www.solidspare.com\/products\/spi-020-over-bore-piston-kit-for-yamaha-vk540-vk540-ii-vk540-iii-73-5mm","provider":"Solid Spare","version":"1.0","type":"link"}