{"product_id":"piston-ring-kit-honda-trx-500-foreman-os-0-50-2005-2019","title":"Piston Ring Kit For Honda TRX 500 Foreman OS 0.50 2005 to 2019 Fits FA FE FM FPE FPM Models","description":"\u003cdiv\u003e\n\u003cp\u003eRestore peak engine breathing and reliable power on your 500cc Foreman with an oversize piston ring kit engineered for the FA, FE, FM family and the FPE\/FPM variants. This aftermarket replacement targets worn compression rings and oil rings to curb blow-by, restore compression, and improve oil control for trail duty or farm work. With a +0.50 mm oversize and a 92.00 mm bore, this set helps bring back crisp throttle response and consistent performance under load.\u003c\/p\u003e\n\u003cp\u003eDesigned to withstand the rigors of rugged terrain, this kit focuses on the wear points that erode reliability: rings that lose seal, oil burning, and end-gap growth that allows pressure to slip by. Built as a cost-conscious, durable alternative to OEM pricing, it delivers solid fitment and enduring sealing performance, making it a trusted choice for back‑country rides and field work alike.\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\u003eTRX500 Foreman FA, FE, FM\u003c\/td\u003e\n\u003ctd\u003e2005–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX500 Foreman FPE, FPM\u003c\/td\u003e\n\u003ctd\u003e2005–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX500 Foreman (Foreman Rubicon 500 lineage)\u003c\/td\u003e\n\u003ctd\u003e2005–2013 (FPE\/FPM); 2015–2019 (FA\/FE\/FM families and related trims)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFitment notes based on model family and bore specifications align with a 92.00 mm bore and OS 0.50 oversize used on these Foreman variants. Sources reflect the 92 mm bore dimension that underpins this oversize ring kit’s compatibility.\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\u003e13012-HP0-A01\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\u003eHonda TRX500 Foreman 500 (FA\/FE\/FM\/FPE\/FPM); OS 0.50 oversize\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e92.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOversize \/ End Gap\u003c\/td\u003e\n\u003ctd\u003eOS +0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRing Arrangement\u003c\/td\u003e\n\u003ctd\u003eTop compression ring • Second compression ring • Oil ring assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003eTop ring: Steel; Second ring: Iron; Oil ring: Stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eNotes: OS 0.50 oversize corresponds to a 92.00 mm bore with the appropriate end-gap and seating. These material details align with common aftermarket ring-set compositions used for this bore\/oversize configuration.\u003c\/p\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\u003e13012-HP0-A01\u003c\/td\u003e\n\u003ctd\u003eOEM Honda\u003c\/td\u003e\n\u003ctd\u003eDirect OEM reference for OS 0.50 oversize ring set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13010-HP0-A01\u003c\/td\u003e\n\u003ctd\u003eAftermarket Replacement\u003c\/td\u003e\n\u003ctd\u003eAlternative aftermarket cross-reference for TRX500 OS 0.50; compatible with 92.00 mm bore when used with the kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eCross-reference details reflect OEM and aftermarket alignment for the TRX500 Foreman 0.50 OS kits. For example, the aftermarket reference 13010-HP0-A01 is indicated as a compatible cross-reference in aftermarket catalogs.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eThis kit provides the essential piston ring components needed to restore compression on the Honda TRX500 Foreman with OS 0.50 oversize.\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 assembly\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003eRings sized for 92.00 mm bore OS 0.50\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Piston, wrist pin, circlips, gaskets, 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 Specifically engineered for the TRX500 Foreman FA\/FE\/FM and the FPE\/FPM variants with OS 0.50, enabling straightforward installation and a proper seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Cross-Reference:\u003c\/b\u003e Uses the OEM reference framework while delivering a cost-effective aftermarket alternative for budget-conscious builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium Materials for Durability:\u003c\/b\u003e Engineered to withstand high cylinder pressures and heat, helping maintain compression under rugged conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePerformance Restoration:\u003c\/b\u003e Rebuilds effective sealing, reducing blow-by and restoring consistent power delivery under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eValue-Driven Choice:\u003c\/b\u003e A reliable upgrade that delivers OEM-like performance at a lower price point without sacrificing fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIndustry-Grade Fitment:\u003c\/b\u003e Designed to align with standard bore spec (92.00 mm) for a dependable ring seal and long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMeasure bore before install:\u003c\/b\u003e Confirm a 92.00 mm bore and OS +0.50 mm oversize to ensure correct ring end-gap and seating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheck end gaps:\u003c\/b\u003e Verify the ring end gaps to match OS 0.50 specifications; adjust with proper shims or honing if needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClean and inspect grooves:\u003c\/b\u003e Thoroughly clean piston grooves and ring lands; remove rust, carbon, and debris to ensure proper seating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLubricate rings and bore:\u003c\/b\u003e Lightly oil each ring and the bore surfaces before assembly and use assembly lube where recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRing orientation:\u003c\/b\u003e Install in the correct orientation (top ring marking facing up) and maintain correct order: top compression ring, second compression ring, then oil ring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeat and break-in:\u003c\/b\u003e After installation, follow a proper break-in procedure to allow rings to settle and seal evenly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cp\u003eWorn piston rings lose sealing capability, increasing oil blow-by, accelerating oil consumption, and dropping compression. Replacing with this OS 0.50 ring kit restores cylinder seal, reduces oil burn, and returns the Foreman’s performance to its intended power and efficiency.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ATV City","offers":[{"title":"Default Title","offer_id":57319263011190,"sku":"192.045G3","price":26.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/pistonring_fcf75497-6156-4914-b6d5-5bab7794d96d.png?v=1774886131","url":"https:\/\/dgtagri.co.uk\/products\/piston-ring-kit-honda-trx-500-foreman-os-0-50-2005-2019","provider":"DGT Agri","version":"1.0","type":"link"}