{"product_id":"kawasaki-300-oversize-piston-kef-klf-kvf-300-os-0-75-1985-2004","title":"Kawasaki 300 Oversize Piston OS 0.75 Fits KEF 1995 To 2003 KLF 1985 To 2004 KVF 1999 To 2002","description":"\u003cdiv\u003e\n\u003cp\u003eThis oversize piston ring kit OS 0.75 is designed for 300cc quad engines in the KEF300 Lakota, KLF300 Bayou, and KVF300 Prairie families, spanning model years from 1985 through 2004. The bore is resized to 76.75 mm (0.75 mm over standard) to restore ring seal, improve compression, and recover lost power on worn cylinders. This aftermarket replacement includes the essential compression rings and oil control ring needed for a complete, reliable piston-ring refresh.\u003c\/p\u003e\n\u003cp\u003eWhen rings wear, you’ll notice reduced compression, diminished throttle response, higher oil consumption, and potential blow-by. This OS 0.75 kit is engineered to renew the seal without sacrificing reliability on trail, field, or utility work, delivering consistent power delivery across the KEF\/KLF\/KVF 300 variants. Built for durability, it provides a dependable restoration that stands up to the rigors of typical ATV use.\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\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKEF300 Lakota 300\u003c\/td\u003e\n\u003ctd\u003e1995–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKEF300B Lakota 300 Sport\u003c\/td\u003e\n\u003ctd\u003e2001–2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKLF300 Bayou 300\u003c\/td\u003e\n\u003ctd\u003e1986–1987\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKLF300B Bayou 300 2x4\u003c\/td\u003e\n\u003ctd\u003e1988–2004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKLF300C Bayou 300 4x4\u003c\/td\u003e\n\u003ctd\u003e1989–2005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKVF300A Prairie 300 4x4\u003c\/td\u003e\n\u003ctd\u003e1999–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKVF300B Prairie 300 2x4\u003c\/td\u003e\n\u003ctd\u003e1999–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFitment details drawn from reputable aftermarket listings confirm compatibility with KEF\/KLF\/KVF 300 families across the noted years.\u003c\/p\u003e\n\u003cp\u003eData sources confirm the following cross-model compatibility: KEF300A ( Lakota 1995–2000), KEF300B (Lakota Sport 2001–2003), KLF300A Bayou (1986–1987), KLF300B Bayou 2x4 (1988–2004), KLF300C Bayou 4x4 (1989–2005), KVF300A Prairie 4x4 (1999–2002), and KVF300B Prairie 2x4 (1999–2002).\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\u003e13008-1111, 13008-1068, 13001-1430, 13001-1244, 13002-1059, 11005-1446, 11005-1533, 11004-1183, 11004-1340, 11060-1652\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePiston Ring Kit (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\u003ePiston Ring Kit for Kawasaki KEF\/KLF\/KVF 300 family (Bayou\/Lakota\/Prairie) 1985–2004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-quality dual-layer rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOversize\u003c\/td\u003e\n\u003ctd\u003e0.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e76.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Bore\u003c\/td\u003e\n\u003ctd\u003e76.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke\u003c\/td\u003e\n\u003ctd\u003e64.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e290 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003eAir-Cooled SOHC 2-Valve 4-Stroke Single Cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Pin\u003c\/td\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eCompression rings and oil control ring for complete piston ring replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSpecification data is drawn from aftermarket listings that mirror the OEM references and engine specs for the KEF\/KLF\/KVF 300-series engines.\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\u003e13008-1111\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003eStandard Ring Set - Late\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13008-1068\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003eStandard Ring Set - Early\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13001-1430\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003eStandard Piston - Late\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13001-1244\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003eStandard Piston - Early\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13002-1059\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003ePiston Pin 18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11005-1446\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003eCylinder - Early\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11005-1533\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003eCylinder - Late\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11004-1183\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003eHead Gasket - Early\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11004-1340\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003eHead Gasket - Late\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11060-1652\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003eBase Gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eCross-reference data reflects OEM part numbers and commonly used aftermarket equivalents for the 300-class engines.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eThis kit is focused on delivering the essential rings for a complete refresh of the piston seal.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCompression Rings\u003c\/b\u003e (2 pieces)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOil Control Ring\u003c\/b\u003e (1 piece)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Other gaskets, pistons, or seals 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 matched bore (76.75 mm) and oversize 0.75 mm to restore OEM-like seal and performance on KEF\/KLF\/KVF 300 platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Cross-Reference\u003c\/b\u003e: Aligns with widely used OEM references (e.g., 13008-1111, 13008-1068) for confident future sourcing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium Materials\u003c\/b\u003e: High-quality dual-layer rings engineered for durable sealing under heat and load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePerformance Restoration\u003c\/b\u003e: Reclaims compression, throttle response, and power delivery compromised by worn rings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Model Range Coverage\u003c\/b\u003e: Supports Bayou, Lakota, and Prairie variants across 1985–2004, simplifying maintenance planning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReliable Aftermarket Quality\u003c\/b\u003e: Designed to meet or exceed engine standards while delivering long service life in the field.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClean the cylinder bore and ring grooves thoroughly before installation to avoid scoring or ring sticking.\u003c\/li\u003e\n\u003cli\u003eLubricate all rings with clean engine oil or assembly lube before fitting to the piston.\u003c\/li\u003e\n\u003cli\u003eInstall the oil control ring and compression rings in the correct order and orientation; verify ring gaps align with the OEM pattern.\u003c\/li\u003e\n\u003cli\u003eUse a proper piston-ring expander to seat rings without bending or nicking edges.\u003c\/li\u003e\n\u003cli\u003eEnsure bore surface is free of debris; wipe with lint-free lint and verify the bore diameter is within spec for the 76.75 mm oversize.\u003c\/li\u003e\n\u003cli\u003eStagger the ring gaps per the engine’s standard practice to minimize blow-by and blowout during initial startup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cp\u003eRunning a worn piston-ring set compromises compression, increasing oil consumption and reducing reliability. Upgrading to this OS 0.75 oversize kit restores seal integrity, reclaims lost power, and ensures consistent performance across demanding trail or farm work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ATV City","offers":[{"title":"Default Title","offer_id":57319263437174,"sku":"192.04614","price":16.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/pistonring_be3403fc-3be4-4407-80f2-f5d8e2bceeec.png?v=1774886132","url":"https:\/\/dgtagri.co.uk\/products\/kawasaki-300-oversize-piston-kef-klf-kvf-300-os-0-75-1985-2004","provider":"DGT Agri","version":"1.0","type":"link"}