{"product_id":"mojtbe-212cc-torque-converter-kit-30-series-3-4-drive-10t-pulley-for-40-41-420-chain-smooth-acceleration-higher-top-speed","title":"MOJTBE 212CC Torque Converter Kit 30-Series 3\/4\" Drive 10T Pulley for #40\/#41\/420 Chain — Smooth Acceleration, Higher Top Speed","description":"\u003cp\u003e\u003cstrong\u003eMOJTBE 212CC Torque Converter Kit is a direct-fit 30-series clutch assembly with a 3\/4\" drive and 10-tooth driver pulley built to extend top speed and smooth acceleration on small horizontal-shaft engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis torque converter assembly replaces common Comet TAV2-style units and is built for go-karts, mini bikes, lawn tractors, ATVs, and other small vehicles that use a 3\/4\" straight crankshaft. Designed to work with #40, #41, and 420 chain and featuring a 10T driver pulley, the kit fits a wide range of engines and provides a simple bolt-on upgrade for machines that need improved load management and drivability.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this torque converter improve performance on small engines?\u003c\/h3\u003e\n\u003cp\u003eThe converter reduces engine load by stepping through a range of effective gear ratios, letting the engine reach higher speeds while keeping acceleration smooth. It functions like a continuously variable transmission for low-displacement motors without complex shifting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10-tooth driver pulley matched to #40\/#41\/420 chain for reliable power transfer.\u003c\/li\u003e\n  \u003cli\u003e30-series design optimized for lightweight vehicles and recreational rigs.\u003c\/li\u003e\n  \u003cli\u003eAllows higher top speed and gentler acceleration compared with a fixed clutch.\u003c\/li\u003e\n  \u003cli\u003eHelps the engine stay in a more efficient RPM range under load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and machines is this compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe kit fits engines with a 3\/4\" straight crankshaft and mounts to most horizontal-shaft motors from popular manufacturers and clones. It’s a direct replacement for many Comet\/ TAV2-style part numbers for quick installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with Briggs \u0026amp; Stratton, Honda-style clones, Kohler, Lifan, Robin, Tecumseh, and similar horizontal-shaft motors.\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for many Comet 30-75 TAV2 models and listed part numbers.\u003c\/li\u003e\n  \u003cli\u003eIdeal for bolt-on swaps on go-karts, mini bikes, and small tractors.\u003c\/li\u003e\n  \u003cli\u003eCompatible with applications using #40, #41, or 420 chain sizes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes with the kit and what should I expect during installation?\u003c\/h3\u003e\n\u003cp\u003eThe torque converter kit includes the primary clutch assembly with a 10T driver pulley and hardware designed for standard 3\/4\" crankshafts. Installation is a straightforward bolt-on process for engines that match the crank size and bolt pattern.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete 30-series torque converter clutch with 3\/4\" drive and 10T pulley included.\u003c\/li\u003e\n  \u003cli\u003eMounting bolts and basic hardware typical for direct-replacement installs.\u003c\/li\u003e\n  \u003cli\u003eNo specialized tools required beyond standard hand tools and a torque wrench.\u003c\/li\u003e\n  \u003cli\u003eMay require minor alignment and chain tension adjustment after fitting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the MOJTBE torque converter under typical use?\u003c\/h3\u003e\n\u003cp\u003eConstructed for recreational and light utility use, the unit is built to withstand normal loads encountered by karts, mini bikes, and yard machines. Proper installation and routine maintenance of chain, bearings, and clutch faces will maximize service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for regular recreational and utility applications, not continuous heavy industrial duty.\u003c\/li\u003e\n  \u003cli\u003eStandard clutch materials suitable for small-engine torque and RPM ranges.\u003c\/li\u003e\n  \u003cli\u003eLongevity increases with correct chain lubrication and periodic inspection.\u003c\/li\u003e\n  \u003cli\u003eReplaceable components make repairs and upgrades straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MOJTBE 30-series 212CC torque converter is for hobbyists, DIY mechanics, and small-vehicle owners wanting a bolt-on clutch solution to improve acceleration smoothness and top-end speed on machines powered by 3\/4\" straight crankshaft engines. It’s especially well suited to go-karts, mini bikes, mini choppers, riding mowers, small tractors, ATVs, and winch-driven water-sports equipment where a compact, reliable CV-style clutch is needed without complex transmission work.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this fit my 3\/4\" horizontal-shaft Briggs engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit is built for 3\/4\" straight crankshafts and fits most horizontal-shaft Briggs-style engines as a direct replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which chain sizes work with the included pulley?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 10T driver pulley supports #40, #41, and 420 chain sizes for common small-vehicle drivetrains.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MOJTBE","offers":[{"title":"Default Title","offer_id":48079872327838,"sku":"B08SLT7V9Q","price":90.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/mojtbe-front-assembly-212cc-torque-converter.jpg?v=1785773635","url":"https:\/\/northtrailauto.ca\/products\/mojtbe-212cc-torque-converter-kit-30-series-3-4-drive-10t-pulley-for-40-41-420-chain-smooth-acceleration-higher-top-speed","provider":"North Trail Auto","version":"1.0","type":"link"}