{"product_id":"honda-trx-500-oversize-rings-kit-trx-500-foreman-os-0-75-2005-2019","title":"Honda TRX 500 Foreman Oversize Ring Kit OS 0.75 Fits FA FE FM FPE FPM 2005 to 2019","description":"\u003cdiv\u003e\n\u003cp\u003eThis oversize piston ring set is designed to restore peak top-end performance on the Honda TRX 500 Foreman family operating from 2005 through 2019. The OS 0.75 kit targets worn bore wear and ringland scoring to recapture compression, throttle response, and reduced oil consumption. Engineered to meet the original design intent, this aftermarket option offers a cost-effective path to a reliable, high-mileage top end.\u003c\/p\u003e\n\u003cp\u003eBuilt for trail and farm use, this OS 0.75 ring set addresses common wear symptoms—loss of compression, smokey starts, and increased blow-by—without the premium OEM price tag. Expect a tighter seal, steadier power delivery, and longer service life between top-end refreshes when paired with proper teardown, bore inspection, and break-in practices. It’s a purpose-built upgrade that supports consistent performance under demanding conditions while keeping maintenance affordable.\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 FA Foreman Rubicon 4x4\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 FE Foreman ES\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 FM Foreman 4x4 (S)\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 FPE \/ FPM Foreman (EPS\/4x4 variants)\u003c\/td\u003e\n\u003ctd\u003e2005-2013\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\u003e13013-HP0-A01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePiston Ring Set (Oversize)\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 500 Foreman OS 0.75, 2005-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e92.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOversize\u003c\/td\u003e\n\u003ctd\u003e+0.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRings Included\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003eTop compression ring\u003c\/span\u003e, \u003cspan\u003eSecond compression ring\u003c\/span\u003e, \u003cspan\u003eOil control ring\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-grade alloy\/iron-based rings with wear-resistant coatings\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\u003e13013-HP0-A01\u003c\/td\u003e\n\u003ctd\u003eHonda OEM Oversize Ring Set (0.75)\u003c\/td\u003e\n\u003ctd\u003eCross-reference: 13013-HN0-A01 (alternative Teikoku variant); 13013HP0A01 is the same OS 0.75 set.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13013-HN0-A01\u003c\/td\u003e\n\u003ctd\u003eHonda OEM Oversize Ring Set (0.75)\u003c\/td\u003e\n\u003ctd\u003eAlternative cross-reference commonly used in OEM catalogs; confirms compatibility with TRX500 0.75 OS kits.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13010-HP0-A01\u003c\/td\u003e\n\u003ctd\u003eHonda OEM Ring Set (Standard Bore)\u003c\/td\u003e\n\u003ctd\u003eReference for standard-bore comparison; not intended for OS 0.75 applications.\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 the essential piston ring components needed for a proper TRX 500 top-end refresh.\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 Control Ring\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Piston, piston pin, circlips, and cylinder gaskets are not included in this ring-set 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 Honda TRX 500 Foreman OS 0.75 bore, ensuring a straightforward install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Cross-Reference:\u003c\/b\u003e Cross-checked with Honda OEM part numbers for compatibility, while delivering a cost-effective aftermarket option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium Materials:\u003c\/b\u003e Built from durable alloy\/iron-grade rings with wear-resistant coatings to withstand high-load, long-life operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePerformance Restoration:\u003c\/b\u003e Tight seal reduces blow-by and restores compression, delivering responsive throttle and power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReliability in Demanding Conditions:\u003c\/b\u003e Designed to endure trail and agricultural use, with resistance to heat, oil exposure, and piston-ring wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-Effective Alternative:\u003c\/b\u003e Significantly lowers replacement costs compared with OEM equivalents without sacrificing essential performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBefore disassembly, consult the service manual for top-end procedures; ensure the cylinder bore is clean and free of scoring prior to ring installation.\u003c\/li\u003e\n\u003cli\u003eMeasure the bore to confirm 92.75 mm and verify that an OS 0.75 overbore is appropriate for the piston cylinder in use.\u003c\/li\u003e\n\u003cli\u003eInspect the piston and ring lands for wear or damage; replace any fatigued components to avoid early ring failure.\u003c\/li\u003e\n\u003cli\u003eLubricate all rings and the piston skirt with assembly lube or clean engine oil before installation to ensure proper seating.\u003c\/li\u003e\n\u003cli\u003eInstall rings in the correct orientation and with proper end-gap placement; use the appropriate ring compressor to prevent ring distortion.\u003c\/li\u003e\n\u003cli\u003eDuring reassembly, avoid bending or twisting rings; torque assembly points per the service manual and perform a careful break-in procedure after start-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cp\u003eRunning a worn top end with exhausted ring seals leads to consistent compression loss, increased oil consumption, and smoky starts. This OS 0.75 ring set restores sealing integrity and compression, delivering reliable power and throttle response for demanding trail or farm work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ATV City","offers":[{"title":"Default Title","offer_id":57319263076726,"sku":"192.045G4","price":24.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/pistonring_d1cc6e45-8191-40d2-8aac-aa529fe770e4.png?v=1774886131","url":"https:\/\/dgtagri.co.uk\/products\/honda-trx-500-oversize-rings-kit-trx-500-foreman-os-0-75-2005-2019","provider":"DGT Agri","version":"1.0","type":"link"}