{"product_id":"gymmeds-centrifugal-clutch-3-4-bore-10-tooth-with-40-41-420-chain-fits-2-6-5hp-engines-bolt-on-for-go-kart-minibike","title":"GYMMEDS Centrifugal Clutch 3\/4\" Bore 10-Tooth with #40\/41\/420 Chain — Fits 2–6.5HP Engines, Bolt-On for Go-Kart \u0026 Minibike","description":"\u003cstrong\u003eGYMMEDS 10-tooth centrifugal clutch is a bolt-on drivetrain part that automatically engages small engines (3\/4\" shaft) to drive single-wheel karts, minibikes and other light equipment.\u003c\/strong\u003e\n\n\u003cp\u003eThis compact clutch assembly pairs a durable 10-tooth drum with a matched #40\/41\/420 chain so you can convert popular 2–6.5HP engines into a centrifugal-driven final drive. Constructed from impact- and wear-resistant steel, the unit mounts to a 3\/4\" crankshaft using the included bolt, washer kit and wrench. It’s designed for single-wheel drive setups (tires up to 15\" tall) and is commonly used with Predator 212 clones and Honda\/Briggs-style small engines.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this clutch engage and transfer power?\u003c\/h3\u003e\n\u003cp\u003eAs engine RPM rises, centrifugal weights move outward to contact the inner drum, creating friction that turns the clutch drum and connected sprocket. This automatic engagement eliminates the need for manual clutches or belts for basic go-kart and minibike projects, providing smooth takeoff and reliable torque transfer at working RPMs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10-tooth sprocket matched to #40\/#41\/#420 chain for consistent drive.\u003c\/li\u003e\n  \u003cli\u003eCentrifugal weight system that engages progressively with RPM.\u003c\/li\u003e\n  \u003cli\u003eEngineered to handle typical 2–6.5HP output without external linkage.\u003c\/li\u003e\n  \u003cli\u003eFast heat dissipation from steel construction to resist wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and machines is this clutch compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis clutch fits any engine with a 3\/4\" crankshaft and a 3\/16\" keyway, including many Predator 212 clones, Honda GC\/GX series (and clones), and common Briggs-style small engines. It’s ideal for single-wheel drive go-karts, mini choppers, garden tractors converted for small tasks, generators, and similar DIY projects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit for 212cc Predator-style engines and many 5.5–6.5HP clones.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Honda GC160\/GC190\/GX120\/GX140\/GX160\/GX200 style engines.\u003c\/li\u003e\n  \u003cli\u003eWorks with Tecumseh and most engines using a 3\/4\" shaft plus 3\/16\" keyway.\u003c\/li\u003e\n  \u003cli\u003eIntended for single-wheel drive systems with tires ≤15\" tall.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThe package contains the 3\/4\" bore 10-tooth clutch, a matched chain, a clutch bolt, washer kit and a wrench so you can mount it straight out of the box. Installation is straightforward: slide onto the crankshaft, secure with the provided bolt and washer, and align the sprocket and chain to the driven sprocket. No special machining is required for most standard small engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 3\/4\" bore 10-tooth clutch and 1 × #40\/41\/420 chain included.\u003c\/li\u003e\n  \u003cli\u003eHardware kit includes clutch bolt, washer set, and installation wrench.\u003c\/li\u003e\n  \u003cli\u003eBolt-on mounting to crankshaft end; simple alignment of chain and sprockets.\u003c\/li\u003e\n  \u003cli\u003eRecommended to verify shaft diameter and keyway before fitting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features does the clutch use?\u003c\/h3\u003e\n\u003cp\u003ePrimary components are manufactured from high-grade, impact- and wear-resistant steel to withstand regular load cycles and heat from engagement. The design balances low weight with durability so the clutch responds quickly while offering long service life under normal hobbyist and light-commercial use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-impact steel drum and sprocket for abrasion resistance.\u003c\/li\u003e\n  \u003cli\u003eOptimized mass for quick centrifugal response and torque transfer.\u003c\/li\u003e\n  \u003cli\u003eSurface finish and geometry for faster heat dispersion during use.\u003c\/li\u003e\n  \u003cli\u003eChain size chosen for durability and availability (#40\/#41\/#420).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: builders, hobbyists and small equipment owners who need a reliable, quick-install centrifugal clutch to convert popular small engines into single-wheel drive powertrains. Ideal for go-kart and minibike projects, garden tractor conversions, portable generators and anyone working with Predator 212-style or similar 2–6.5HP engines that use a 3\/4\" shaft.\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 clutch fit my Predator 212 engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it fits Predator 212-style engines with a 3\/4\" crankshaft and 3\/16\" keyway.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What tire size is recommended for use with this clutch?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for single-wheel drive setups with tires up to 15 inches tall.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GYMMEDS","offers":[{"title":"Default Title","offer_id":48086196420766,"sku":"B0D6GVZLQC","price":43.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gymmeds-clutch-front-view_a90298ea-ac80-453f-a192-3d891f1d4e48.jpg?v=1785889460","url":"https:\/\/northtrailauto.ca\/products\/gymmeds-centrifugal-clutch-3-4-bore-10-tooth-with-40-41-420-chain-fits-2-6-5hp-engines-bolt-on-for-go-kart-minibike","provider":"North Trail Auto","version":"1.0","type":"link"}