{"product_id":"piston-kit-suzuki-lt-230-250-os-0-50-1985-2014-66-5mm","title":"Suzuki LT230 LT250 Piston Kit OS 0.50 66.5mm Fits LT230 1985-2002 LT250 1985-2014 OEM 12103-18830-050","description":"\u003cdiv\u003e\n\u003cp\u003eRestore peak compression and dependable power with this Piston Kit OS 0.50 (66.5mm bore) designed for Suzuki LT230 and LT250 engines. Specifically sized for the LT230 (1985–2002) and LT250 (1985–2014) platforms, this kit brings OEM-style performance at a portion of the cost. The precise 66.5mm bore ensures a true seal, smooth operation, and reliable cold-starts, so your quad still feels strong on trails and jobs alike.\u003c\/p\u003e\n\u003cp\u003eEngineered as a cost-effective aftermarket replacement, this OS oversize kit targets the common wear-and-tear that dulls throttle response and compression over time. With a +0.50mm oversize to restore bore condition, it supports consistent ring seal and combustion efficiency, making it a trustworthy choice for trail-riding and hard-working farm use where reliability matters most.\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\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eLT230 QuadRunner \/ QuadSport\u003c\/td\u003e\n\u003ctd\u003e1985–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eLT250 QuadRunner \/ Ozark \/ LT-F250 family\u003c\/td\u003e\n\u003ctd\u003e1985–2014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFitment data reflects the LT230 and LT250 engine family as outlined in OEM cross-reference details and catalog listings for this oversize piston kit. These ranges align with common LT230\/LT250 rebuild applications across the model years referenced above.\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\u003e12103-18830-050, 12111-18A04-050\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePiston Kit OS 0.50 (66.5mm bore)\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\u003eEngine rebuilds for Suzuki LT230 (1985–2002) and LT250 (1985–2014) engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCast Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e66.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOversize\u003c\/td\u003e\n\u003ctd\u003e+0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement (approx.)\u003c\/td\u003e\n\u003ctd\u003e229–246 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eKey specifications surface from OEM cross-references and aftermarket listings, including the 66.50mm bore with +0.50mm oversize, cast aluminum alloy construction, and displacement guidance for the LT230\/LT250 family.\u003c\/p\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: 25.8123%;\"\u003ePart Number\u003c\/th\u003e\n\u003cth style=\"width: 26.1733%;\"\u003eBrand \/ Type\u003c\/th\u003e\n\u003cth style=\"width: 47.2924%;\"\u003eCross-Reference Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8123%;\"\u003e12103-18830-050\u003c\/td\u003e\n\u003ctd style=\"width: 26.1733%;\"\u003eOEM\u003c\/td\u003e\n\u003ctd style=\"width: 47.2924%;\"\u003ePrimary OEM reference; OS 0.50, 66.50mm bore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8123%;\"\u003e12111-18A04-050\u003c\/td\u003e\n\u003ctd style=\"width: 26.1733%;\"\u003eOEM\u003c\/td\u003e\n\u003ctd style=\"width: 47.2924%;\"\u003eAlternate OEM reference for +0.50mm oversize\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8123%;\"\u003e3402-423\u003c\/td\u003e\n\u003ctd style=\"width: 26.1733%;\"\u003eOEM Cross-Reference\u003c\/td\u003e\n\u003ctd style=\"width: 47.2924%;\"\u003eAdditional cross-reference listed in catalogs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThese cross-references reflect official Suzuki part numbers and common aftermarket cross-refs used to identify compatible piston kits for LT230\/LT250 engines.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eThis kit includes the core components needed to refresh the top end on LT230\/LT250 engines. In the box you’ll find:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003ePiston\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eRings\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eWrist 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\u003cem\u003eNote: Gaskets and other top-end components are not included in this piston 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 66.50mm bore with oversize +0.50mm to restore full sealing surface on LT230\/LT250 platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Cross-Reference:\u003c\/b\u003e Uses established OEM references (12103-18830-050 and 12111-18A04-050) to ensure accurate fitment when shopping across brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium Materials:\u003c\/b\u003e Cast aluminum alloy piston designed for reliable heat tolerance and wear resistance in air-cooled engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Kit for Longevity:\u003c\/b\u003e Includes piston, rings, wrist pin, and circlips for a complete top-end refresh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePerformance Restoration:\u003c\/b\u003e Restores compression and throttle response after bore wear, helping your LT230\/LT250 regain original torque and pull on trails or farms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-Effective Alternative:\u003c\/b\u003e Delivers OEM-style performance without OEM price, making it a practical choice for vehicles in steady use or restoration projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThoroughly inspect the cylinder bore for wear or scoring; hone or re-machine if needed to achieve proper ring seating and end-gap integrity.\u003c\/li\u003e\n\u003cli\u003eInstall piston rings with correct orientation and stagger ring gaps to avoid alignment with piston scoops; ensure end gaps are within spec (refer to service manual for your LT230\/LT250 variant).\u003c\/li\u003e\n\u003cli\u003eLubricate the piston and rings with assembly oil or engine oil before installation to prevent dry startup.\u003c\/li\u003e\n\u003cli\u003eSecure the wrist pin with the included circlips, making sure there is proper side-side clearance and no clip exposure beyond the bore.\u003c\/li\u003e\n\u003cli\u003eCheck ring end gaps and verify piston orientation marks before sliding the piston into the bore; rotate the crank to confirm smooth movement with no binding.\u003c\/li\u003e\n\u003cli\u003eRe-torque or verify torque specs for any attached components when completing the top-end refresh, and ensure correct valve and cam timing if you’re performing a broader head work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cp\u003eRunning a worn piston compromises compression, reduces power, and increases oil consumption, especially on older LT230 and LT250 engines. This OS oversize replacement restores the necessary seal and clearance, delivering reliable compression and predictable power delivery once more, so you can trust your quad on rugged trails or demanding farm work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ATV City","offers":[{"title":"Default Title","offer_id":57319260717430,"sku":"190.30000-2","price":65.33,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/image_2026-02-25_221223982.png?v=1774886192","url":"https:\/\/dgtagri.co.uk\/products\/piston-kit-suzuki-lt-230-250-os-0-50-1985-2014-66-5mm","provider":"DGT Agri","version":"1.0","type":"link"}