{"product_id":"namura-040-over-bore-piston-kit-for-honda-fourtrax-300-2x4-4x4-1988-2000-75mm","title":"Namura .040 Over Bore Piston Kit for Honda Fourtrax 300 2x4 \u0026 4x4 1988-2000 75mm","description":"\u003ch2\u003e.040 Over Bore Piston Kit for Honda\u003c\/h2\u003e\u003cp\u003eThis .040 over bore piston kit replaces the original piston in Honda Fourtrax 300 models, providing a 75mm bore size for restoring compression and power in 2x4 and 4x4 configurations from 1988 through 2000.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis .040 over bore piston kit is a direct replacement for the Honda Fourtrax 300, designed to bring worn engines back to life with a precise 75mm bore. Ideal for riders rebuilding their 2x4 or 4x4 machine, this piston kit includes the piston, rings, and wrist pin for a complete top-end refresh.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined from high-silicon aluminum alloy for durability\u003c\/li\u003e\n\u003cli\u003eIncludes .040 over-sized rings for optimal cylinder sealing\u003c\/li\u003e\n\u003cli\u003eFactory-balanced design reduces vibration at high RPM\u003c\/li\u003e\n\u003cli\u003eHeat-treated wrist pin for long service life\u003c\/li\u003e\n\u003cli\u003eCompatible with standard 75mm bore cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Honda Fourtrax 300 2x4 (1988-2000)\u003c\/li\u003e\n\u003cli\u003efor Honda Fourtrax 300 4x4 (1988-2000)\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\u003e75mm\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\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, wrist pin\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 Will this piston kit fit my 1995 Fourtrax 300? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the .040 over bore piston kit fits all 1988-2000 Fourtrax 300 models. Verify your cylinder bore is within spec to accept the 75mm piston.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to re-bore the cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, a .040 over piston requires the cylinder to be bored to match the 75mm size. Always have your cylinder measured by a qualified shop before installation.\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":44890467041366,"sku":"SZ1F11335","price":127.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_dbe5fdde-2cf2-46d8-b813-618453f7b24d.jpg?v=1781139939","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-kit-for-honda-fourtrax-300-2x4-4x4-1988-2000-75mm","provider":"Solid Spare","version":"1.0","type":"link"}