{"product_id":"dr-pulley-hit-clutch-for-minarelli-yamaha-2t-60deg-169-221","title":"Dr. Pulley HiT Clutch for Minarelli \/ Yamaha 2T - 60°","description":"\u003ch2\u003eZero Slip, Maximum Torque: Dr. Pulley HiT Clutch System\u003c\/h2\u003e\u003cp\u003eEliminate transmission lag and maximize power delivery with the \u003cstrong\u003eDr. Pulley HiT (High Torque) Clutch\u003c\/strong\u003e. Unlike traditional centrifugal clutches that rely solely on spring tension, the HiT system utilizes a patented \"pillow spring\" mechanism. This design uses centrifugal force to lock the clutch shoes against the bell, virtually eliminating slippage and ensuring every bit of power from your Minarelli engine reaches the rear wheel. It is the definitive upgrade for high-compression big bore builds, racing ATVs, and performance buggies.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented HiT Technology:\u003c\/strong\u003e Features an internal wedge mechanism that increases pressure on the clutch bell as RPMs rise, providing a positive lock-up that standard clutches cannot match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60-Degree Pillow Springs:\u003c\/strong\u003e Optimized for high-performance 50cc and 70cc cylinders, ensuring the clutch engages precisely at the power band's sweet spot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Heat Management:\u003c\/strong\u003e The included high-ventilation clutch bell is engineered to dissipate heat rapidly, preventing glazing and \"fading\" during aggressive racing or off-road use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Tunable:\u003c\/strong\u003e Comes with 3 sets of pillow springs and 6 sets of clutch springs, allowing you to fine-tune your engagement and \"lock-up\" speeds for your specific riding style.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis 105mm clutch and bell assembly is a direct performance upgrade for \u003cstrong\u003e50cc 2-Stroke Minarelli (1PE40QMB\/Jog)\u003c\/strong\u003e engines:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eBrand \/ Engine\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCompatible Model Series\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYamaha\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZuma 50 (Pre-2012), Jog 50, Vino 50, CT 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinarelli Clones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdly, Hammerhead, Keeway, Vento (1PE40QMB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eATV \/ Buggy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolaris Scrambler 50, various 2T 50cc-90cc Chinese ATVs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNote\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRecommended for modified or \"Big Bore\" cylinders.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBell Inner Diameter:\u003c\/strong\u003e 105mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBell Spline Count:\u003c\/strong\u003e 16 Splines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBell Height:\u003c\/strong\u003e 33mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch Type:\u003c\/strong\u003e HiT (High Torque) with 60 ° Pillow Springs\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e This is the last clutch you will ever need to buy for your Jog engine. \u003cstrong\u003eTuning Tip:\u003c\/strong\u003e Start with the medium springs provided in the kit. If your bike \"bogs\" off the line, move to a stiffer clutch spring to raise the engagement RPM. \u003cstrong\u003ePro Tip:\u003c\/strong\u003e While you have the CVT open, inspect your \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\"\u003eDrive Belt\u003c\/a\u003e\u003c\/strong\u003e; a high-lockup clutch like this will put more stress on an old, worn belt, making it the perfect time for a fresh \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\"\u003eKevlar Belt\u003c\/a\u003e\u003c\/strong\u003e upgrade!\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 169-221 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Scooterworks USA, LLC\u003c\/p\u003e","brand":"Scooterworks USA, LLC","offers":[{"title":"Default Title","offer_id":50627796336920,"sku":"169-221","price":299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/451924.jpg?v=1777055191","url":"https:\/\/www.scooterworks.com\/products\/dr-pulley-hit-clutch-for-minarelli-yamaha-2t-60deg-169-221","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}