{"product_id":"piston-ring-kit-honda-trx-400-std-1995-2003","title":"Piston Ring Kit for Honda TRX 400 FW 1995 1996 1997 1998 1999 2000 2001 2002 2003 STD","description":"\u003cdiv\u003e\n\u003cp\u003eRestore peak compression and sealing with this standard-rings piston ring kit designed for a popular four-wheel-drive ATV platform spanning model years 1995 through 2003. The set is engineered to replace worn rings with factory-geometry parts, delivering crisp throttle response, improved fuel economy, and reliable starting while staying true to original performance characteristics. If you’re seeing power fade, blue smoke on startup, or elevated oil consumption, this kit helps bring the engine back to its intended feel and efficiency without requiring a full teardown or modification.\u003c\/p\u003e\n\u003cp\u003eThis aftermarket replacement focuses on delivering a durable, cost-effective solution that restores proper ring seal and oil control. Built to handle rugged trail riding and farm work, it’s designed to endure heat and wear while maintaining consistent compression under load, helping you get back to reliable operation without the premium OEM price tag.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Vehicle Fitment\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003cth\u003eModels \/ Series\u003c\/th\u003e\n\u003cth\u003eYears \/ Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX 400FW Foreman 4x4\u003c\/td\u003e\n\u003ctd\u003e1995-2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX 400FM Foreman 4x4\u003c\/td\u003e\n\u003ctd\u003e2002-2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eNote: Compatibility is based on OEM references for this engine family (13011-HM7-003 \/ 13011-HM7-004) and widely used aftermarket cross-reference data for the TRX400FW\/TRX400FM platforms.\u003c\/p\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Reference Part Numbers\u003c\/td\u003e\n\u003ctd\u003e13011-HM7-003 \/ 13011-HM7-004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePiston Ring Kit – Standard Rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAftermarket Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eHonda TRX 400FW (1995-2003)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRing Set Contents\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003eTop compression ring\u003c\/b\u003e, \u003cb\u003eSecond compression ring\u003c\/b\u003e, \u003cb\u003eOil control ring\u003c\/b\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e86.0 mm (standard) — typical for TRX 400FW lineage; exact bore may vary by year; verify with service manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd-Gap Notes\u003c\/td\u003e\n\u003ctd\u003eEnd gaps designed to match OEM specifications for TRX 400FW; verify with service manual guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eOEM \u0026amp; Aftermarket Cross-Reference Information\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eBrand \/ Type\u003c\/th\u003e\n\u003cth\u003eCross-Reference Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e13011-HM7-003\u003c\/td\u003e\n\u003ctd\u003eAftermarket Replacement\u003c\/td\u003e\n\u003ctd\u003eOEM cross-reference; direct aftermarket replacement for TRX 400FW\/ FM engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13011-HM7-004\u003c\/td\u003e\n\u003ctd\u003eAftermarket Replacement\u003c\/td\u003e\n\u003ctd\u003eAlternate OEM variant; same fit and function when replaced as a set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eIn the box, you’ll find the essential piston-ring components for a single piston rebuild:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003eTop Compression Ring\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eSecond Compression Ring\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eOil Ring\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eOil Ring Spacer\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eRelated parts not included: piston assembly, circlips, piston pin, and gaskets.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Aftermarket Replacement?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDirect-Fit Compatibility:\u003c\/b\u003e Precisely matched to the TRX 400FW\/FM engines from 1995–2003 for hassle-free installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Cross-Reference:\u003c\/b\u003e Aligns with OEM references 13011-HM7-003 and 13011-HM7-004 to ensure parity with factory specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium Materials \u0026amp; Original Geometry:\u003c\/b\u003e Engineered to mirror the original seal and wear characteristics, helping restore peak performance and longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePerformance Restoration:\u003c\/b\u003e Rebuilds compression and oil control to reclaim throttle response, power delivery, and fuel efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-Effective Alternative:\u003c\/b\u003e A reliable aftermarket option that delivers dependable results without OEM-level pricing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Assurance:\u003c\/b\u003e Manufactured with consistent process controls to deliver repeatable fit and function across batches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCleanliness first: thoroughly hone or scrub the cylinder bore, remove all debris, and verify a true, smooth surface before installing rings.\u003c\/li\u003e\n\u003cli\u003eCheck end-gap and ring orientation: verify gaps against the service manual’s specifications and ensure the gaps are offset between rings when installed.\u003c\/li\u003e\n\u003cli\u003eLubricate rings and pistons: apply clean engine oil to the rings and piston skirts to reduce initial wear during startup.\u003c\/li\u003e\n\u003cli\u003eProper ring orientation: ensure each ring is installed with the correct side facing the correct direction to maintain seal and oil control.\u003c\/li\u003e\n\u003cli\u003eBlock and bore cleanliness: wipe the bore with lint-free solvent and inspect for scratches or burrs that could compromise sealing.\u003c\/li\u003e\n\u003cli\u003eDuring final assembly, avoid bending or twisting rings; install them gently and verify seating with a light hand pressure before final torques.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cp\u003eRunning a worn piston ring set can allow compression loss, increased oil consumption, and smoky startup symptoms, all of which degrade throttle response and reliability. This replacement restores the engine’s original sealing integrity, helping maintain steady compression under load and return the ATV to dependable, efficient operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ATV City","offers":[{"title":"Default Title","offer_id":57319261700470,"sku":"192.04501","price":21.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/pistonring_15dfdff6-ca05-4c45-83da-1c8dbf4e5512.png?v=1772044626","url":"https:\/\/dgtagri.co.uk\/products\/piston-ring-kit-honda-trx-400-std-1995-2003","provider":"DGT Agri","version":"1.0","type":"link"}