{"product_id":"hot-rods-wb143-wrist-pin-bearing-ktm-husqvarna-gas-gas-50cc-moto-house-mx","title":"Hot Rods Wrist Pin Bearing (12x15x14.8mm) WB143 - GasGas \/ Husqvarna \/ KTM 50cc 2004-2025","description":"\u003ch1\u003e\u003cstrong\u003eHot Rods Wrist Pin Bearing (12x15x14.8mm) WB143 - GasGas \/ Husqvarna \/ KTM 50cc 2004-2025\u003c\/strong\u003e\u003c\/h1\u003e\n\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eWhen rebuilding a high-performance two-stroke engine, replacing the small end bearing is essential to maintain proper piston alignment and reliability. The \u003cstrong\u003eHot Rods Wrist Pin Bearing\u003c\/strong\u003e delivers precision aftermarket quality designed to handle the rigorous demands of high-rpm off-road riding.\u003c\/p\u003e\n\u003cp\u003eManufactured with strict dimensional tolerances featuring a 12 mm inside diameter, 15 mm outside diameter, and 14.8 mm length, this bearing incorporates case-hardened cages and specialized flat or long-shouldered profiles optimized for durability under extreme engine speeds.\u003c\/p\u003e\n\n\u003ch3\u003eTop Features: Hot Rods Wrist Pin Bearing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered as a direct OEM replacement wrist pin bearing for precision fit.\u003c\/li\u003e\n\u003cli\u003eFeatures case-hardened bearing cages for exceptional wear resistance.\u003c\/li\u003e\n\u003cli\u003eUtilizes specialized flat (KU style) or long-shouldered (KZ style) bearing cage profiles.\u003c\/li\u003e\n\u003cli\u003eOptimized specifically for high-rpm two-stroke engine applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease review the detailed compatibility data below to ensure an exact fitment match for your dirt bike before finalizing your purchase.\u003c\/p\u003e\n\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eVehicle Brand\u003c\/th\u003e\n\u003cth\u003eVehicle Model \u0026amp; Sub-Model\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e50 SX Pro Jr LC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e50 SX Pro Sr LC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2008\u003c\/td\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e50 SX Junior\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2025\u003c\/td\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e50 SX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008\u003c\/td\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e50 SX LC Pro Junior\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008-2023\u003c\/td\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e50 SX Mini\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2025\u003c\/td\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003ctd\u003eTC 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2019\u003c\/td\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003ctd\u003eTC 50 Mini\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2025\u003c\/td\u003e\n\u003ctd\u003eGas Gas\u003c\/td\u003e\n\u003ctd\u003eMC 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: What are the exact dimensions of this wrist pin bearing?\u003c\/b\u003e\u003cbr\u003eA: This bearing features a 12 mm inside diameter, 15 mm outside diameter, and a 14.8 mm length.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Is this bearing designed for high-rpm engines?\u003c\/b\u003e\u003cbr\u003eA: Yes, it utilizes case-hardened cages and specialized flat or long-shouldered profiles built specifically to handle high-rpm two-stroke operating conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e Always lubricate the wrist pin bearing with fresh two-stroke pre-mix oil prior to assembly, and check the connecting rod small end bore for wear or discoloration whenever installing a new top end.\u003c\/p\u003e\n\n\u003ch3\u003eRecommended Pairings:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/high-performance-dirt-bike-piston-kits-top-end-kits-2-stroke-4-stroke-moto-house-mx\"\u003ePiston \/ Top-End Kits\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/ktm-50-sx-performance-upgrades-engine-mods-accessories-moto-house-mx\"\u003eKTM 50 SX Performance Upgrades\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/engine-rebuild-kits-collection-precision-and-power-for-every-engine\"\u003eEngine Rebuild Kits\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAbout Moto-House MX\u003c\/h3\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 machines. We pride ourselves on great customer service, and every item ships FAST - straight to your door.\u003c\/p\u003e\n\n\u003cp\u003e\u003ci\u003e\u003cstrong\u003eMoto-House MX - Choice of Champions\u003c\/strong\u003e - Your premier powersports source with great customer service and lightning-fast shipping straight to your door.\u003c\/i\u003e\u003c\/p\u003e","brand":"HOT RODS","offers":[{"title":"Default Title","offer_id":43138280915027,"sku":"0924-0577","price":22.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/hot-rods-wb143-wrist-pin-bearing-for-gas-gas-husqvarna-ktm-12-mm-x-15-mm-x-148-mm-7135165.png?v=1760807587","url":"https:\/\/motohousemx.com\/products\/hot-rods-wb143-wrist-pin-bearing-ktm-husqvarna-gas-gas-50cc-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}