{"product_id":"piston-ring-kit-honda-trx-350-os-0-25-2000-2006","title":"Piston Ring Kit OS 0.25 For Honda TRX 350 FM TM FE TE Models 2000 2001 2002 2003 2004 2005 2006","description":"\u003cdiv\u003e\n\u003cp\u003eRestore compression and sealing in your TRX 350 engine with the OS 0.25 piston ring kit, engineered for 2000–2006 FM, TM, FE, and TE variants. This complete aftermarket set targets tired rings to reclaim power, reduce blow-by, and improve overall sealing without the higher price of OEM parts. The oversize 0.25 mm rings are designed to recondition worn bores and ring lands, delivering dependable performance for trail and farm use. Built to fit the TRX 350 lineage, this kit helps restore steady compression and smooth operation after years of hard use.\u003c\/p\u003e\n\u003cp\u003eThis aftermarket replacement offers a precise OS 0.25 fit, enabling renewed compression on engines with worn cylinder walls and ring lands without a full top-end rebuild. The three-piece configuration tackles the top compression ring, second compression ring, and oil ring to restore sealing, minimize oil consumption, and reduce blow-by. It’s a reliable, field-ready choice for riders and farmers who demand durable restoration that won’t break the bank.\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 350 FM\u003c\/td\u003e\n\u003ctd\u003e2000–2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX 350 TM\u003c\/td\u003e\n\u003ctd\u003e2000–2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX 350 FE\u003c\/td\u003e\n\u003ctd\u003e2000–2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX 350 TE\u003c\/td\u003e\n\u003ctd\u003e2000–2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\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-HN5-671; 13011-HN5-672\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePiston Ring Kit\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\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOversize\u003c\/td\u003e\n\u003ctd\u003eOS 0.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRing Configuration\u003c\/td\u003e\n\u003ctd\u003eTop compression ring; Second compression ring; Oil ring (3-piece set)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStandard piston-ring alloy (OEM-replacement quality)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Components\u003c\/td\u003e\n\u003ctd\u003eRings only (top, second, and oil rings) for the TRX 350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eOEM \u0026amp; Aftermarket Cross-Reference Information\u003c\/h3\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 16.034%;\"\u003ePart Number\u003c\/th\u003e\n\u003cth style=\"width: 31.7999%;\"\u003eBrand \/ Type\u003c\/th\u003e\n\u003cth style=\"width: 51.444%;\"\u003eCross-Reference Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 16.034%;\"\u003e13011-HN5-671\u003c\/td\u003e\n\u003ctd style=\"width: 31.7999%;\"\u003eHonda OEM \/ Aftermarket Replacement\u003c\/td\u003e\n\u003ctd style=\"width: 51.444%;\"\u003eOS 0.25 ring set for TRX 350; cross-referenced in aftermarket catalogs; applicable to 2000–2006 models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 16.034%;\"\u003e13011-HN5-672\u003c\/td\u003e\n\u003ctd style=\"width: 31.7999%;\"\u003eHonda OEM \/ Teikoku (as aftermarket cross-reference)\u003c\/td\u003e\n\u003ctd style=\"width: 51.444%;\"\u003eOS 0.25 ring set; TRX 350 range; 2000–2006 compatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eIn the box you’ll find the following three-ring set designed for the TRX 350 OS 0.25 kit:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003eTop Compression Ring\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003eSecond Compression Ring\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eOil Ring\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eNote: Piston, wrist pin, and circlips are not included. Related gaskets or seals are not included.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\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 designed to match Honda TRX 350 FM\/TM\/FE\/TE models from 2000–2006.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Cross-Reference:\u003c\/b\u003e Clear cross-reference to Honda OEM numbers (13011-HN5-671\/672) with robust aftermarket alternatives available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOS 0.25 Precision:\u003c\/b\u003e Oversize rings restore compression on worn bores without a full top-end rebuild.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium Materials \u0026amp; Build:\u003c\/b\u003e Engineered to OEM-replacement standards for reliable wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePerformance Restoration:\u003c\/b\u003e Reclaims power, compression, and oil retention for trail and farm use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eValue for Money:\u003c\/b\u003e A cost-effective option that keeps the TRX 350 on the trail without OEM premium pricing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThoroughly clean the cylinder bore and remove glazing or scoring before installation.\u003c\/li\u003e\n\u003cli\u003eInspect bore diameter and measure ring end gaps with a feeler gauge after re-bore\/honing to confirm suitability for OS 0.25 rings.\u003c\/li\u003e\n\u003cli\u003eLubricate rings and cylinder walls with clean engine oil or assembly lube prior to installation.\u003c\/li\u003e\n\u003cli\u003eOrient the rings correctly: align the markings on top and second rings as indicated by the manufacturers’ installation guides; stagger the end gaps around the circumference to avoid all gaps aligning.\u003c\/li\u003e\n\u003cli\u003eUse a proper ring compressor when installing the piston to prevent ring deformation or snagging on the bore.\u003c\/li\u003e\n\u003cli\u003eAfter assembly, perform a careful break-in procedure (light throttle and steady RPM) and check for oil leaks or abnormal blow-by during initial startup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cp\u003eRunning a worn piston ring set for a TRX 350 can lead to reduced compression, higher oil consumption, and excess blow-by, which quickly erodes performance. Replacing with an OS 0.25 piston ring kit restores sealing, improves power delivery, and revives reliable compression for rugged trail or farm use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ATV City","offers":[{"title":"Default Title","offer_id":57319262716278,"sku":"192.04572","price":23.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/pistonring_64d385f0-e852-4f97-bd3f-c80fe97d04bc.png?v=1774886131","url":"https:\/\/dgtagri.co.uk\/products\/piston-ring-kit-honda-trx-350-os-0-25-2000-2006","provider":"DGT Agri","version":"1.0","type":"link"}