{"product_id":"gymmeds-centrifugal-clutch-3-4-bore-12-tooth-for-35-chain-steel-bolt-washer-kit","title":"GYMMEDS Centrifugal Clutch 3\/4\" Bore 12-Tooth for #35 Chain — Steel, Bolt \u0026 Washer Kit","description":"\u003cp\u003e\u003cstrong\u003eGYMMEDS 12-tooth centrifugal clutch (3\/4\" bore) is a bolt-on performance replacement designed to engage #35 chain drivetrains on 3\/4\" crankshafts like Predator 212cc and many Honda GC\/GX small engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact clutch converts engine RPM into smooth, automatic engagement for minibikes, go-karts, mini choppers and a wide range of garden and workshop equipment. Machined from impact- and wear-resistant steel and supplied with a bolt, washer kit and mounting screws, it’s intended as a direct-fit, durable alternative for engines with a 3\/4\" crankshaft and 3\/16\" keyway.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this clutch fit my engine and drivetrain?\u003c\/h3\u003e\n\u003cp\u003eThe GYMMEDS clutch is built for engines that use a 3\/4\" crankshaft and a 3\/16\" keyway. It is compatible with Predator 212cc engines and many Honda models such as the GC160, GX160, GX200 and similar small engines, plus common 5.5–6.5HP clone motors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/4\" bore with 3\/16\" keyway — standard for many small engines\u003c\/li\u003e\n  \u003cli\u003e12 teeth sized for #35 roller chain drive systems\u003c\/li\u003e\n  \u003cli\u003eIntended for use on minibikes, go-karts, mini choppers and small machinery\u003c\/li\u003e\n  \u003cli\u003eCheck crankshaft diameter and key slot before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and durability features does it offer?\u003c\/h3\u003e\n\u003cp\u003eManufactured from high-grade, impact- and wear-resistant steel, this centrifugal clutch is optimized for heat dissipation and torque transfer. The design emphasizes long service life under repeated engagement cycles, while remaining lightweight for sport applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-impact steel construction for improved wear resistance\u003c\/li\u003e\n  \u003cli\u003eFast heat dissipation to reduce overheating under load\u003c\/li\u003e\n  \u003cli\u003eBalanced for reliable engagement and reduced vibration\u003c\/li\u003e\n  \u003cli\u003e12-tooth profile matched to #35 chain for secure power transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult and what hardware is included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward with the included hardware and basic hand tools. The clutch mounts on the crankshaft using the supplied bolt and washer; two set screws provide secondary retention for a secure fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage includes clutch, bolt, washer kit, wrench and two screws\u003c\/li\u003e\n  \u003cli\u003eMounts on crankshaft end using provided bolt and washer\u003c\/li\u003e\n  \u003cli\u003eSet screws add extra security against axial movement\u003c\/li\u003e\n  \u003cli\u003eTypical install requires basic socket or wrench and torque per engine spec\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this clutch work for racing or heavy-duty use?\u003c\/h3\u003e\n\u003cp\u003eWhile designed for robust hobby and light commercial use, suitability for racing or heavy continuous loads depends on your setup and tuning. The clutch offers strong torque capacity for small-engine applications, but extreme or racing conditions may call for specialty clutches or staged modifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGreat for recreational go-karts and minibikes under normal loads\u003c\/li\u003e\n  \u003cli\u003eConsider performance tuning or higher-rated clutches for sustained racing\u003c\/li\u003e\n  \u003cli\u003eInspect engagement behavior and temperature after initial runs\u003c\/li\u003e\n  \u003cli\u003eCompatible with many 4–7 HP engines commonly used in DIY builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This GYMMEDS centrifugal clutch is aimed at DIY builders, garage mechanics and hobbyists upgrading or repairing minibikes, go-karts, small garden machinery and light equipment that use #35 chain and have a 3\/4\" crankshaft with a 3\/16\" keyway. It’s a practical replacement part for owners of Predator 212cc, Honda GC\/GX series and compatible clone engines who need a durable, easy-to-install clutch with included mounting hardware.\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 212cc engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It fits Predator 212cc and other 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: Is the #35 chain included with the clutch?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The clutch is sold without chain; it is sized to work with #35 roller chain.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GYMMEDS","offers":[{"title":"Default Title","offer_id":48084890255518,"sku":"B0D6GVKY5B","price":37.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gymmeds-clutch-front-view.jpg?v=1785865299","url":"https:\/\/northtrailauto.ca\/products\/gymmeds-centrifugal-clutch-3-4-bore-12-tooth-for-35-chain-steel-bolt-washer-kit","provider":"North Trail Auto","version":"1.0","type":"link"}