{"product_id":"piston-kit-honda-trx-500-foreman-os-0-75-2005-2011","title":"OS 0.75 Piston Kit For Honda TRX 500 Foreman Rubicon 2005 2011 OEM Replacement ATV","description":"\u003cdiv\u003e\n\u003cp\u003eThis OS 0.75 oversize piston kit is designed specifically for Honda TRX 500 Foreman and Rubicon models from 2005 through 2011. By increasing the displacement and stabilizing compression, it helps restore strong top‑end power and smooth operation when you’re tackling tough trails or hard jobs on the farm. This replacement kit is built to deliver reliable, repeatable performance after a top‑end refresh, so you can ride or work with confidence.\u003c\/p\u003e\n\u003cp\u003eBeyond simply replacing worn components, this OS oversize kit focuses on restoring compression consistency and durable power delivery under load. It’s a practical upgrade for riders who demand steady throttle response and long‑term reliability, offering a straightforward route back to clean starts, reduced oil blow‑by, and dependable performance in challenging conditions.\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 \/ Rubicon\u003c\/td\u003e\n\u003ctd\u003e2005–2011 (Foreman 4x4 variants and Rubicon models)\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\u003e13104-HP0-A00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePiston 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 TRX 500 Foreman \/ Rubicon (2005–2011)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOversize\u003c\/td\u003e\n\u003ctd\u003eOS 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminum alloy (high-strength, typical for performance piston kits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore (oversize)\u003c\/td\u003e\n\u003ctd\u003e+0.75 mm oversize from OEM bore\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 style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 20.7581%;\"\u003ePart Number\u003c\/th\u003e\n\u003cth style=\"width: 26.0553%;\"\u003eBrand \/ Type\u003c\/th\u003e\n\u003cth style=\"width: 52.4645%;\"\u003eCross-Reference Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.7581%;\"\u003e13104-HP0-A00\u003c\/td\u003e\n\u003ctd style=\"width: 26.0553%;\"\u003eAftermarket Replacement\u003c\/td\u003e\n\u003ctd style=\"width: 52.4645%;\"\u003eOS 0.75 oversize piston kit designed to replace the Honda TRX500 Foreman \/ Rubicon 2005–2011 cylinder setup; not an OEM part.\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 components for a complete top‑end refresh on your TRX500:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePiston\u003c\/b\u003e with OS 0.75 oversize\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eRings\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003ePiston Pin\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eCirclips\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eGaskets, seals, and cylinder components are not included unless specified.\u003c\/i\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 Engineered to drop in with stock tolerances on the 2005–2011 TRX500 Foreman\/Rubicon models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Cross-Reference:\u003c\/b\u003e \u003cspan\u003eCross‑reference to Honda 13104-HP0-A00 for familiar fitment without OEM pricing.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium Materials:\u003c\/b\u003e Aluminum alloy designed for durability under repeated heat cycles and high load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisplacement Restoration:\u003c\/b\u003e Oversize +0.75 mm helps reclaim lost compression and top‑end performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReliability in Tough Conditions:\u003c\/b\u003e Built for reliable operation on trails and in farm work where debris and heat are constant factors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost‑Effective Rebuild:\u003c\/b\u003e A practical alternative to OEM options with strong long‑term value for a durable top‑end refresh.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e Bore \u0026amp; Cylinder Prep:\u003c\/b\u003e Inspect the cylinder bore for wear and out‑of‑round conditions; refurbish to the required oversize if needed and within service limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRings \u0026amp; Orientation:\u003c\/b\u003e Lubricate rings and skirt surfaces, align orientation marks, and install with correct piston orientation relative to the crank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRing Gaps:\u003c\/b\u003e Set ring end gaps per the service manual; verify gaps after assembly to avoid contact with the top of the cylinder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePiston Pin \u0026amp; Circlips:\u003c\/b\u003e Install the wrist pin with circlips and confirm the pin moves freely without binding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLube \u0026amp; Break‑In:\u003c\/b\u003e Apply assembly lube to moving parts, then follow a proper break‑in procedure to seat rings and optimize seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGaskets \u0026amp; Surfaces:\u003c\/b\u003e Use new base\/head gaskets and clean seating surfaces; do not reuse old gaskets to prevent leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cp\u003eRunning a worn piston kit can lead to compression loss, oil consumption, and fluctuating power under load. Upgrading to this OS 0.75 oversize piston kit restores compression consistency and top‑end power, delivering dependable throttle response and engine reliability for demanding trails and farm work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ATV City","offers":[{"title":"Default Title","offer_id":57319259308406,"sku":"190.10008-3","price":120.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/image_2026-02-25_231407479.png?v=1774886125","url":"https:\/\/dgtagri.co.uk\/products\/piston-kit-honda-trx-500-foreman-os-0-75-2005-2011","provider":"DGT Agri","version":"1.0","type":"link"}