{"product_id":"gymmeds-centrifugal-clutch-for-go-kart-1-bore-14-tooth-fits-40-41-420-chain-6-5-8hp-212cc-up-to-2300-rpm","title":"GYMMEDS Centrifugal Clutch for Go-Kart 1\" Bore 14-Tooth — Fits #40\/#41\/#420 Chain, 6.5–8HP (212cc) up to 2300 RPM","description":"\u003cp\u003e\u003cstrong\u003eGYMMEDS 1\" bore centrifugal clutch with a 14-tooth sprocket designed for #40\/#41\/#420 chains delivers reliable torque transfer for 6.5–8HP (212cc) small engines up to 2300 RPM.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis clutch is an engineered replacement part for small-engine applications such as go-karts, mini bikes, mini choppers, generators and light garden equipment. Built to match a standard 1\" output shaft with keyway, the unit provides a compact, durable way to engage power without complex modifications. It ships ready-to-fit and includes mounting screws; chain is not included.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this centrifugal clutch engage and protect my engine?\u003c\/h3\u003e\n\u003cp\u003eThe clutch uses centrifugal shoes that move outward as engine speed rises, engaging the sprocket and transmitting power once the engagement threshold is reached. That automatic action reduces stalls at idle and allows the engine to rev freely when disconnected from the load, improving usability and drivetrain longevity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngagement threshold suitable for up to 2300 RPM operating speed.\u003c\/li\u003e\n  \u003cli\u003eCentrifugal shoe design reduces shock loads during engagement.\u003c\/li\u003e\n  \u003cli\u003eAutomatic disconnect at low idle to prevent stalling and wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines, shafts and chains is this clutch compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis clutch is made for engines that have a 1\" diameter output shaft with a standard keyway and are typically found on 6.5–8HP, 212cc engines. It fits sprockets with 14 teeth and is optimized for #40, #41 and #420 roller chains. Always verify shaft diameter and keyway type before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1\" bore with a standard keyed shaft interface for secure mounting.\u003c\/li\u003e\n  \u003cli\u003e14-tooth sprocket profile matched to #40\/#41\/#420 chains.\u003c\/li\u003e\n  \u003cli\u003eCommon fit for 212cc small engine family (6.5–8HP range).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and build details ensure durability and performance?\u003c\/h3\u003e\n\u003cp\u003eThe clutch body and components are produced from high-impact, wear-resistant steel engineered for heat dissipation and sustained torque transfer. Lightweight yet strong construction minimizes rotational mass while maintaining resistance to wear under repeated engagement cycles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-grade steel construction for impact and wear resistance.\u003c\/li\u003e\n  \u003cli\u003eDesign favors fast heat dissipation to reduce overheating risk.\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined components for consistent engagement and long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what comes in the package?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for mechanically experienced users: slide the clutch onto the keyed 1\" shaft, align, and secure using the included screws. The package contains the clutch and two mounting screws; a compatible chain and any necessary spacer or washer hardware must be sourced separately.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage includes 1 x 1\" bore, 14-tooth clutch and 2 mounting screws.\u003c\/li\u003e\n  \u003cli\u003eRequires a keyed 1\" output shaft—measure before ordering.\u003c\/li\u003e\n  \u003cli\u003eChain and additional fasteners are not included; check clearance and alignment during fit-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This GYMMEDS centrifugal clutch is intended for DIY mechanics, kart builders, and small-equipment owners who need a dependable replacement or upgrade for 212cc (6.5–8HP) engines. It suits users who want a compact, automatic engagement solution for go-karts, minibikes, generators, mini choppers, garden tractors and snow throwers—provided the engine has a 1\" keyed output shaft. If you’re uncertain about fitment, measure your crankshaft diameter and keyway before purchase or contact customer support for verification.\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 a 212cc engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—if your 212cc engine has a 1\" keyed output shaft; it’s designed for 6.5–8HP 212cc engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the chain included with the clutch?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The clutch ships with two screws; you must supply a #40, #41 or #420 chain separately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GYMMEDS","offers":[{"title":"Default Title","offer_id":48084891140254,"sku":"B0D6HJ56H2","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_b8e67a37-3bc4-4a06-93eb-c15509c46b8f.jpg?v=1785865334","url":"https:\/\/northtrailauto.ca\/products\/gymmeds-centrifugal-clutch-for-go-kart-1-bore-14-tooth-fits-40-41-420-chain-6-5-8hp-212cc-up-to-2300-rpm","provider":"North Trail Auto","version":"1.0","type":"link"}