{"product_id":"namura-040-over-bore-top-end-kit-for-honda-fourtrax-trx200sx-1986-1988-66mm","title":"Namura .040 Over Bore Top End Kit for Honda FourTrax TRX200SX 1986-1988 66mm","description":"\u003ch2\u003eNamura .040 Over Bore Top End Kit for Honda\u003c\/h2\u003e\u003cp\u003eThis top end kit rebuilds the cylinder and piston assembly for Honda FourTrax TRX200SX 1986-1988 models, delivering a .040 over bore for increased displacement and compression. It includes all necessary components to restore engine performance. OEM cross-reference numbers are not provided, but the kit is designed for the 66mm bore specification.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis top end kit is a complete cylinder and piston rebuild for the Honda FourTrax, featuring a .040 over bore to refresh worn bores. Designed for the TRX200SX from 1986 to 1988, this top end kit includes a piston, rings, pin, and gaskets for a reliable rebuild. It is ideal for restoring lost power and extending the life of your ATV engine.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.040 over bore increases engine displacement and compression\u003c\/li\u003e\n\u003cli\u003eIncludes high-strength piston and rings for durability\u003c\/li\u003e\n\u003cli\u003ePrecision-machined cylinder for consistent fit\u003c\/li\u003e\n\u003cli\u003eComplete gasket set included for easy installation\u003c\/li\u003e\n\u003cli\u003eDesigned to meet or exceed OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Honda FourTrax TRX200SX 1986\u003c\/li\u003e\n\u003cli\u003efor Honda FourTrax TRX200SX 1987\u003c\/li\u003e\n\u003cli\u003efor Honda FourTrax TRX200SX 1988\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding a worn-out top end on a Honda FourTrax ATV\u003c\/li\u003e\n\u003cli\u003eIncreasing engine power for trail riding or utility work\u003c\/li\u003e\n\u003cli\u003eRestoring compression in a high-mileage engine\u003c\/li\u003e\n\u003cli\u003eReplacing a damaged cylinder and piston assembly\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\u003e66mm (.040 over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHonda FourTrax TRX200SX 1986-1988\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 kit compatible with a stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed for a cylinder that has been bored .040 over, so your stock cylinder must be machined to accept the oversized piston.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need any additional parts for installation? \u003cstrong\u003eA:\u003c\/strong\u003e You may need new gaskets and seals, though most are included; always check your cylinder head condition before assembly.\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":44890820902998,"sku":"SZ1F13380","price":164.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_eaa1fb6f-7194-40d8-83b5-5452ca3cfa77.jpg?v=1781144050","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-top-end-kit-for-honda-fourtrax-trx200sx-1986-1988-66mm","provider":"Solid Spare","version":"1.0","type":"link"}