{"product_id":"namura-040-over-bore-piston-kit-for-polaris-trail-boss-250-fits-1985-1999-73mm","title":"Namura .040 Over Bore Piston Kit for Polaris Trail Boss 250 fits 1985-1999 73mm","description":"\u003ch2\u003eNamura .040 Over Bore Piston Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis Namura .040 over bore piston kit is designed to replace the original piston in Polaris Trail Boss 250 ATV engines from 1985-1999, featuring a 73mm bore and .040 over size.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Namura .040 over bore piston kit provides a direct replacement for worn pistons in Polaris Trail Boss 250 ATVs built between 1985 and 1999. The 73mm bore and .040 over size help restore compression and engine performance. This piston kit is a cost-effective solution for keeping your Polaris Trail Boss 250 running strong.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-cast from durable aluminum alloy\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings, wrist pin, and circlips for a complete kit\u003c\/li\u003e\n\u003cli\u003eEngineered for .040 oversize bore to match cylinder wear\u003c\/li\u003e\n\u003cli\u003eDesigned to OEM specifications for Polaris Trail Boss 250 engines\u003c\/li\u003e\n\u003cli\u003eProvides reliable performance and long service life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris Trail Boss 250\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine top-end rebuild after many hours of use\u003c\/li\u003e\n\u003cli\u003eRestoring power and compression in ATV engines\u003c\/li\u003e\n\u003cli\u003eCommonly used during routine engine maintenance\u003c\/li\u003e\n\u003cli\u003eSuitable for utility and recreational ATV riding\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\u003e73mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040\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 Does this piston kit fit my Polaris Trail Boss 250? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed for 1985-1999 Polaris Trail Boss 250 models with a 73mm bore. Verify your engine identification number before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is included in the kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes a piston, rings, wrist pin, and circlips for a complete top-end replacement.\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":44890490175574,"sku":"SZ1F11851","price":136.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_30e42747-b1b6-437d-ab4a-c6ff2d550430.jpg?v=1781140601","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-kit-for-polaris-trail-boss-250-fits-1985-1999-73mm","provider":"Solid Spare","version":"1.0","type":"link"}