{"product_id":"megaflint-centrifugal-go-kart-clutch-sprocket-10t-3-4-bore-3-16-keyway-for-40-41-420-chain-fits-2-6-5hp-engines","title":"Megaflint Centrifugal Go-Kart Clutch Sprocket 10T — 3\/4\" Bore, 3\/16\" Keyway for #40\/#41\/420 Chain, Fits 2–6.5HP Engines","description":"\u003cstrong\u003eMegaflint's 10-tooth centrifugal clutch is a heavy-duty replacement clutch sprocket with a 3\/4\" bore designed to drive small go-kart and mini-bike setups using #40, #41, or 420 chain.\u003c\/strong\u003e\n\n\u003cp\u003eThis clutch sprocket is built for DIY go-kart and small-engine projects that need a reliable centrifugal drive component. Machined for durability, the unit fits engines with a 3\/4\" bar shaft and 3\/16\" keyway and pairs with common 2–6.5 HP small engines — including a wide range of Predator and Honda models. It works with single-wheel belt direct-drive karts and belt-drive centrifugal clutch systems commonly used on 196–212cc and under engines.\u003c\/p\u003e\n\n\u003ch3\u003eWhat engines and power ratings will this clutch work with?\u003c\/h3\u003e\n\u003cp\u003eThe Megaflint 10T clutch is intended for small gasoline engines in the 2–6.5 HP range and is commonly used on 196–212cc Predator-style motors and many Honda GX\/GC series engines. It’s sized to match a 3\/4\" bore and 3\/16\" keyway, ensuring a secure fit on standard bar shafts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 2–6.5 HP engines including Honda GC160, GC190, GX120, GX140, GX160, GX200.\u003c\/li\u003e\n  \u003cli\u003eWorks on Predator 196–212cc 2–7 HP belt-drive applications.\u003c\/li\u003e\n  \u003cli\u003eFits motors with 3\/4\" shafts and 3\/16\" keyways for proper torque transfer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the 10-tooth sprocket affect drive ratio and performance?\u003c\/h3\u003e\n\u003cp\u003eA 10-tooth sprocket provides a balanced combination of acceleration and top speed for small karts and utility machines. It reduces initial wheel torque slightly compared with larger sprockets, which can help prevent wheel hop and make acceleration more controllable on compact frames.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10T delivers moderate final drive ratio suitable for lightweight go-karts.\u003c\/li\u003e\n  \u003cli\u003ePairs well with #40, #41, or 420 chain sizes for common aftermarket setups.\u003c\/li\u003e\n  \u003cli\u003eHelps smooth engagement in centrifugal clutch systems for predictable starts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my centrifugal clutch and chain type?\u003c\/h3\u003e\n\u003cp\u003eThis Megaflint clutch sprocket is made to work with #40, #41, and 420 roller chains used on many small vehicles and builders’ projects. It is compatible with heavy-duty centrifugal clutches designed for Predator-style belt drives and similar clutch housings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned specifically for #40\/#41\/420 chain widths and tooth profiles.\u003c\/li\u003e\n  \u003cli\u003eMatches centrifugal clutch assemblies for 6.5 HP and smaller motors.\u003c\/li\u003e\n  \u003cli\u003eUse with single-wheel belt direct-drive karts with tires up to 15\" tall for appropriate gearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain the Megaflint 3\/4\" bore clutch?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires aligning the 3\/4\" bore over the engine’s bar shaft and securing it with the 3\/16\" key for torque transfer; check for correct key seating and tighten any retaining hardware per engine specs. Routine inspection of chain tension, sprocket wear, and clutch engagement will extend service life and maintain safe performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSlide onto a 3\/4\" shaft, align the 3\/16\" keyway, and torque retaining nut to manufacturer spec.\u003c\/li\u003e\n  \u003cli\u003eMaintain correct chain tension and inspect sprocket teeth for wear regularly.\u003c\/li\u003e\n  \u003cli\u003eKeep the clutch and mounting hardware clean and periodically check for play or loosening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Builders, hobbyists, and light-duty vehicle owners who need a durable, drop-in centrifugal clutch sprocket for small engines. Ideal for home-built go-karts, mini-bikes, lawn-equipment conversions, and replacement parts for 2–6.5 HP engines where a 3\/4\" bore 10-tooth sprocket for #40\/41\/420 chain is required. Avoid use on oversized tires or high-horsepower applications beyond the listed engine compatibility.\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: Does this clutch fit a Predator 212 engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it fits many Predator-style 196–212cc engines with a 3\/4\" shaft and 3\/16\" keyway compatible with 2–7 HP setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What chain sizes work with this 10T sprocket?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This sprocket is compatible with #40, #41, and 420 roller chain commonly used on small go-karts and mini-bikes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Megaflint","offers":[{"title":"Default Title","offer_id":48086083502238,"sku":"B07QFW55Q4","price":42.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/megaflint-clutch-front-profile.jpg?v=1785883777","url":"https:\/\/northtrailauto.ca\/products\/megaflint-centrifugal-go-kart-clutch-sprocket-10t-3-4-bore-3-16-keyway-for-40-41-420-chain-fits-2-6-5hp-engines","provider":"North Trail Auto","version":"1.0","type":"link"}