{"product_id":"honda-trx-250-piston-ring-kit-trx-250-ex","title":"Honda TRX 250 Piston Ring Kit OS 0.75 Fits TRX 250 EX Recon Models Premium Aftermarket Replacement","description":"\u003cdiv\u003e\n\u003cp\u003eRestore compression and curb oil consumption with an oversize piston ring kit designed for the TRX 250 EX and Recon models. The OS 0.75 configuration is tailored to the 68.50 mm bore, delivering solid sealing and durable wear resistance to revitalize performance for trail rides or farm work. Expect improved throttle response, reduced blow-by under heavy loads, and a rebuild-ready seal that meets or exceeds OEM specifications. This kit is a value-focused rebuild option that helps bring tired top-end performance back to life.\u003c\/p\u003e\n\u003cp\u003eDesigned to address bore wear and ring-land degradation, this aftermarket replacement targets common symptoms like compression loss, power sag, and oil consumption while staying reliable in rugged conditions. The OS 0.75 rings provide a precise oversize fit that restores sealing without the cost of a full bore job, making it a dependable choice for riders who tackle muddy trails, heat, and heavy payloads.\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 250 EX Sportrax\u003c\/td\u003e\n\u003ctd\u003e1997–2014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX Recon 250 (TRX250)\u003c\/td\u003e\n\u003ctd\u003e1997–2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX 250X\u003c\/td\u003e\n\u003ctd\u003e2009–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX 250 EX Sportrax (1st Gen variants)\u003c\/td\u003e\n\u003ctd\u003e1997–2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX Recon 2x4 ES \/ TM variants\u003c\/td\u003e\n\u003ctd\u003e1997–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\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\u003e13041-HM8-003; 13011-HM8-003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePiston Ring Kit (Oversize OS 0.75)\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\u003eTRX 250 family including Recon and EX variants (1997–2022)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePremium cast iron with chrome-faced top ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRings Included\u003c\/td\u003e\n\u003ctd\u003eTop compression ring; Second compression ring; Oil control ring (3-ring set)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003eSTD 68.50 mm; OS 0.75 (+0.75) = 69.25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Gaps \/ Fit\u003c\/td\u003e\n\u003ctd\u003ePre-gapped to OEM-style tolerances\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOversize\u003c\/td\u003e\n\u003ctd\u003eOS 0.75 mm\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\u003e13041-HM8-003\u003c\/td\u003e\n\u003ctd\u003eHonda OEM\u003c\/td\u003e\n\u003ctd\u003eOriginal top-end ring kit reference for TRX 250 family; oversize option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13011-HM8-003\u003c\/td\u003e\n\u003ctd\u003eHonda OEM\u003c\/td\u003e\n\u003ctd\u003eSTD piston ring set; widely cross-referenced by aftermarket suppliers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAR-TRX250-OS0.75-RING\u003c\/td\u003e\n\u003ctd\u003eAftermarket Replacement\u003c\/td\u003e\n\u003ctd\u003eOS 0.75 kit cross-referenced to the OEM numbers above for compatibility with EX\/Recon models\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\u003eThis kit includes everything you need for a proper piston-ring end-to-end replacement. It includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003ePiston Rings – Top compression ring\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003ePiston Ring – Second compression ring\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eOil Ring – Oil control ring\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Gaskets, pistons, wrist pins, circlips, and other related components are not included in this kit.\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 sized OS 0.75 kit for TRX 250 Recon\/EX platforms to restore seal without extensive modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Cross-Reference:\u003c\/b\u003e Aligns with Honda part numbers 13041-HM8-003 and 13011-HM8-003 for reliable fitment reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium Materials:\u003c\/b\u003e High-grade cast iron with a chrome-faced top ring for durable sealing and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExact Oversize Fit:\u003c\/b\u003e OS 0.75 configuration tailored to bore wear in TRX 250 engines, helping reclaim compression without premature bore replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePerformance Restoration:\u003c\/b\u003e Reclaims compression, reduces oil blow-by, and restores predictable power under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eValue-Focused Rebuild:\u003c\/b\u003e A cost-effective option that breathes new life into rugged engines used on trails and in demanding farm work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMeasure the bore with a calibrated bore gauge to confirm std vs. oversize needs before installing the OS 0.75 rings.\u003c\/li\u003e\n\u003cli\u003eClean all ring grooves thoroughly; remove any carbon or debris that could prevent proper seating.\u003c\/li\u003e\n\u003cli\u003eInstall the top ring with the beveled side facing the direction of rotation as per the OEM-style orientation; stagger end gaps by at least 120 degrees between rings.\u003c\/li\u003e\n\u003cli\u003eApply a light film of assembly lubricant to the rings and piston skirts to aid seating during initial startup.\u003c\/li\u003e\n\u003cli\u003eInspect ring end gaps after installation and ensure they fall within OEM tolerances for lightly worn bores.\u003c\/li\u003e\n\u003cli\u003eEnsure the oil-ring louvers and gaps align with the crankcase oil passages; verify proper seating of the oil-control ring to maintain oil control.\u003c\/li\u003e\n\u003cli\u003eGaskets and related components are not included; use your existing gaskets or source OEM-style base and head gaskets separately for a proper seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cp\u003eRunning a worn piston-ring set can allow blow-by, leading to reduced compression, power loss, and higher oil consumption. Upgrading to this OS 0.75 piston-ring kit restores sealing effectiveness and durability, delivering repeatable performance in demanding conditions and helping prevent more costly engine damage down the line.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ATV City","offers":[{"title":"Default Title","offer_id":57319262585206,"sku":"192.04564","price":18.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/pistonring_e870651b-cc50-4b07-bf01-4c77d9c41828.png?v=1774886131","url":"https:\/\/dgtagri.co.uk\/products\/honda-trx-250-piston-ring-kit-trx-250-ex","provider":"DGT Agri","version":"1.0","type":"link"}