{"product_id":"vertex-wr101-138-engine-rebuild-kit-kawasaki-kfx450r-moto-house-mx","title":"Vertex Engine Rebuild Kit WR101-138 — Kawasaki KFX450R 2008-2014","description":"\u003ch1\u003e\u003cstrong\u003eVertex Engine Rebuild Kit WR101-138 — Kawasaki KFX450R 2008-2014\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Vertex Engine Rebuild Kit WR101-138 is the premier, all-inclusive solution for a complete mechanical restoration of your Kawasaki KFX450R. Designed for racers and enthusiasts who refuse to compromise on quality, this kit provides everything needed to return your 450cc powerplant to factory-new performance and reliability.\u003c\/p\u003e\n\u003cp\u003eVertex eliminates the stress of sourcing individual components by providing a meticulously matched set, including the crankshaft, piston kit, and a comprehensive collection of bearings and seals. Whether you are performing a full-service overhaul after a long season or addressing a mechanical issue, this kit ensures your engine is built to withstand the most demanding off-road conditions.\u003c\/p\u003e\n\u003ch3\u003eTop Features: Vertex Engine Rebuild Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-In-One Restoration:\u003c\/strong\u003e Contains crankshaft, piston kit, engine gasket kit with oil seals, main bearings, and transmission bearings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Service Set:\u003c\/strong\u003e Includes vital maintenance components such as a water pump rebuild kit, countershaft bushing\/seal kit, and cam chain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Grade Quality:\u003c\/strong\u003e Every component is engineered to meet or exceed original equipment specifications for precise, reliable fitment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Compression:\u003c\/strong\u003e Piston kit designed to restore factory-level power delivery and engine longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Reliability:\u003c\/strong\u003e Includes counter-balancer bearings (where applicable) to ensure smooth, vibration-free operation across the entire powerband.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease review the detailed compatibility data below to ensure an exact fitment match for your ATV before finalizing your purchase.\u003c\/p\u003e\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd; font-family: Arial, sans-serif;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f4f4f4; border-bottom: 2px solid #ddd;\"\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #ddd;\"\u003eYear Range\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #ddd;\"\u003eVehicle Brand\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border: 1px solid #ddd;\"\u003eVehicle Model\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2008-2014\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eKawasaki\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eKFX450R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit cover both top and bottom-end components?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the WR101-138 is a comprehensive rebuild kit that includes the crankshaft and bearings for the bottom end, as well as the piston and gaskets for the top end.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit reliable for competitive racing?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. Vertex is known for high-tech materials and precision engineering, making this kit a favorite for riders who need long-term durability under racing stress.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpert Pro-Tip:\u003c\/strong\u003e Always ensure your crankcase mating surfaces are perfectly clean and free of old gasket material during reassembly. Use a high-quality engine assembly lubricant on all bearings, the crank journals, and the cylinder bore to ensure proper break-in and prevent premature wear.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-motorcycle-tools\"\u003eEssential Off-Road ATV Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/premium-motorcycle-chemicals-brake-fluid-bike-wash-coolant-chain-lubes\"\u003ePremium ATV Maintenance Chemicals\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAt Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. Every order ships fast from our Central Florida location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMoto-House MX – Choice of Champions – Clermont \/ Montverde, FL. Central Florida's premier powersports source with lightning-fast worldwide shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Vertex","offers":[{"title":"Default Title","offer_id":41045041446995,"sku":"WR101-138","price":963.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/vertex-complete-engine-rebuild-kit-wrench-rabbit-wr101-138-2008-2014-kawasaki-kfx450r-838861.jpg?v=1735463350","url":"https:\/\/motohousemx.com\/products\/vertex-wr101-138-engine-rebuild-kit-kawasaki-kfx450r-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}