{"product_id":"namura-020-over-bore-piston-kit-for-honda-foreman-400-4x4-fits-1995-2003-86-5mm","title":"Namura .020 Over Bore Piston Kit for Honda Foreman 400 4x4 fits 1995-2003 86.5mm","description":"\u003ch2\u003eNamura .020 Over Bore Piston Kit for Honda\u003c\/h2\u003e\u003cp\u003eThis Namura .020 over bore piston kit is a direct replacement for Honda Foreman 400 4x4 ATVs, featuring an oversized 86.5mm piston to restore engine performance in models from 1995 to 2003.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .020 over bore piston kit offers a reliable solution for rebuilding the top end of Honda Foreman 400 4x4 engines. Designed for 1995-2003 models, this 86.5mm piston kit helps restore lost power and compression after many hours of ATV use.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-strength aluminum alloy construction withstands demanding utility ATV operation\u003c\/li\u003e\n\u003cli\u003e.020 over bore size allows cylinder resurfacing while maintaining precise fit\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings, wrist pin, and pin clips for complete installation\u003c\/li\u003e\n\u003cli\u003eSkirt-coated for reduced wear and improved cold-start performance\u003c\/li\u003e\n\u003cli\u003eEngineered to match factory compression ratios for reliable power\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Honda Foreman 400 4x4 (1995-2003)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUtility ATV work such as hauling, plowing, and trail maintenance\u003c\/li\u003e\n\u003cli\u003eRecreational trail riding and hunting where engine reliability is critical\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds for aging Foreman 400 models to extend service life\u003c\/li\u003e\n\u003cli\u003ePerformance restoration after high-mileage wear on the cylinder and piston\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e86.5mm (.020 over bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHonda Foreman 400 4x4 1995-2003\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 Can I install this piston kit without boring the cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a .020 over bore piston, so the cylinder must be bored to 86.5mm by a qualified machine shop before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this kit compatible with the Honda Foreman 400 2WD model? \u003cstrong\u003eA:\u003c\/strong\u003e The kit is specifically listed for the Foreman 400 4x4; for 2WD models, confirm compatibility with your engine serial number.\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":44890648313942,"sku":"SZ1F12230","price":142.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_2186ac2c-464a-492a-a9d5-7840e4cdd8bf.jpg?v=1781142462","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-piston-kit-for-honda-foreman-400-4x4-fits-1995-2003-86-5mm","provider":"Solid Spare","version":"1.0","type":"link"}