{"product_id":"dr-pulley-hit-clutch-for-minarelli-yamaha-2t-50deg-169-220","title":"Dr. Pulley HiT Clutch for Minarelli \/ Yamaha 2T - 50°","description":"\u003ch2\u003eRace-Ready Engagement: Dr. Pulley HiT Clutch (50 ° Version)\u003c\/h2\u003e\u003cp\u003eEliminate transmission lag and maximize power delivery with the \u003cstrong\u003eDr. Pulley HiT (High Torque) Clutch\u003c\/strong\u003e. This 50-degree version is specifically engineered for racing applications and highly modified 2-stroke Minarelli engines. By utilizing a patented internal wedge mechanism, the HiT system locks the clutch shoes against the bell as RPMs rise, ensuring zero slippage and instant power transfer that traditional centrifugal clutches simply cannot achieve.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e50-Degree Pillow Springs:\u003c\/strong\u003e Specifically tuned for high-revving engines, allowing the clutch to stay disengaged until the engine reaches its peak power band for explosive \"hole-shot\" starts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented HiT Lock-Up:\u003c\/strong\u003e Features an internal wedge that increases pressure on the bell under load, preventing the \"clutch fade\" and glazing common in high-heat racing scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision High-Flow Bell:\u003c\/strong\u003e The included 105mm clutch bell is balanced for high-RPM stability and features oversized cooling vents to maintain consistent friction levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Tuning Kit:\u003c\/strong\u003e Includes 3 sets of pillow springs and 6 sets of clutch springs, giving you the ability to customize engagement to match your specific exhaust and cylinder porting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis 105mm performance assembly is a direct fit for \u003cstrong\u003e50cc 2-Stroke Minarelli (1PE40QMB\/Jog)\u003c\/strong\u003e engines used in scooters and high-performance ATVs:\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\u003ePerformance ATV\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolaris Scrambler 50, Various 2T 50cc-90cc Race Quads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImportant Note\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDesigned for **Modified** cylinders (70cc+ Mid-Race\/Pro kits).\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\u003eSpline Count:\u003c\/strong\u003e 16 Splines (Standard Minarelli)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePillow Spring Angle:\u003c\/strong\u003e 50 Degrees (High-RPM Engagement)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponents:\u003c\/strong\u003e HiT Clutch, Vented Bell, Multiple Tuning Spring Sets\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e The 50-degree HiT clutch is a serious piece of racing hardware.   Performance parts are not covered by warranty.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003eSetup Tip:\u003c\/strong\u003e This version is intended for engines that need to \"scream\" before moving; if your bike is stock or has a mild \"Street\" kit, you may prefer the 60-degree version for smoother city riding.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e When installing, ensure your \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\"\u003eClutch Nut\u003c\/a\u003e\u003c\/strong\u003e is torqued to factory specs\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 169-220 \u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Scooterworks USA, LLC","offers":[{"title":"Default Title","offer_id":50627796271384,"sku":"169-220","price":299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/452575_95123232-28e4-4641-a928-e7598463555f.jpg?v=1777055574","url":"https:\/\/www.scooterworks.com\/products\/dr-pulley-hit-clutch-for-minarelli-yamaha-2t-50deg-169-220","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}