{"product_id":"moturo-6235791","title":"Moturo 440cc Big Bore Cylinder Kit 89mm fits Honda TRX 400EX","description":"\u003ch2\u003eMoturo 440cc Big Bore Cylinder Kit 89mm for Honda TRX 400EX\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe Moturo 440cc Big Bore cylinder kit for your Honda TRX 400EX ATV (MY 99-08) — more displacement from the 397cc base. 89mm bore, 70mm stroke, ready for installation.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis cylinder kit expands the stock displacement of your TRX 400EX from 397cc to 440cc. 89mm bore, 70mm stroke, 10:1 compression ratio — specifications as per the Big Bore variant data sheet. OEM quality at a more affordable price.\u003c\/p\u003e\n\u003cp\u003eThe scope of delivery includes the cylinder, piston, piston pin, piston rings, piston clips, and gaskets, ready for assembly with your existing cylinder head.\u003c\/p\u003e\n\u003cp\u003eInstallation takes about two to three hours using a hex key set, torque wrench, piston ring compressor, and a new cylinder head gasket.\u003c\/p\u003e\n\u003cp\u003eCylinder kit for the Honda TRX 400EX ATV, manufactured by Moturo.\u003c\/p\u003e\n\u003ch3\u003ePerformance · Material · Specs\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e89mm bore, 70mm stroke\u003c\/li\u003e\n\n\u003cli\u003e10:1 compression ratio according to data sheet\u003c\/li\u003e\n\n\u003cli\u003eBore-up from 397cc base to 440cc displacement\u003c\/li\u003e\n\n\u003cli\u003eOEM quality, ready for assembly\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eImportant notes – please read\u003c\/h3\u003e\n\u003cp\u003eComponent for race and off-road use. No ABE\/StVZO approval. Not for public road use.\u003c\/p\u003e\n\u003cp\u003eFits the Honda TRX 400EX (model years 1999 to 2008, 397cc base). Not compatible with the TRX 450R, TRX 450ER, or Sportrax 300EX. Verify bolt pattern and cylinder head geometry with your existing engine before ordering.\u003c\/p\u003e\n\u003ch3\u003eTools \u0026amp; Time required\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eHex key set in common sizes\u003c\/li\u003e\n\n\u003cli\u003eTorque wrench\u003c\/li\u003e\n\n\u003cli\u003ePiston ring compressor\u003c\/li\u003e\n\n\u003cli\u003eFresh cylinder head gasket (purchase separately)\u003c\/li\u003e\n\n\u003cli\u003eAbout two hours for an experienced mechanic\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eScope of delivery\u003c\/h3\u003e\n\u003cp\u003e1 × cylinder, 1 × piston, 1 × piston pin, piston rings, piston clips, gaskets. Not included: tools, cylinder head gasket, coolant, engine oil.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit also fit the Honda TRX 450R or TRX 450ER?\u003c\/strong\u003e\u003cbr\u003eNo, the cylinder geometry and mounting points are different. This kit is designed exclusively for the TRX 400EX (model years 1999 to 2008, 397cc).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need TÜV registration?\u003c\/strong\u003e\u003cbr\u003eThis kit is designed for race and off-road use and does not have StVZO approval. Not for public road use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the compression ratio of the kit and what fuel is required?\u003c\/strong\u003e\u003cbr\u003e10:1 compression ratio according to the data sheet. We recommend Super Plus with 98 octane.\u003c\/p\u003e\n\u003cdiv\u003e\n\n\u003cspan\u003eMoturo 440cc Big Bore Cylinder Kit 89mm suitable for Honda TRX 400EX (model years 1999 to 2008, 397cc base). 89mm bore, 70mm stroke, 10:1 compression, ready for assembly. Component for race and off-road use, no StVZO approval.\u003c\/span\u003e\n\n\u003c\/div\u003e","brand":"Moturo","offers":[{"title":"Default Title","offer_id":60712875655502,"sku":"6235791","price":399.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1077\/1205\/3582\/files\/Moturo-Zylinderkit-440ccm-Big-Bore-89mm-fuer-Hond.jpg?v=1788885272","url":"https:\/\/moturo.eu\/en\/products\/moturo-6235791","provider":"MOTURO","version":"1.0","type":"link"}