Horstman Executor CRF/XR50 Clutch, the leader in automatic clutches is proud to introduce a purpose built race clutch for the Honda CRF/XR50. Fact, low horsepower engines benefit greatly when inertia is reduced. The Executor clutch lowers inertia significantly by reducing the weight of the clutch compared to the factory model.... 50% more surface friction area. This translates to quicker starts and faster acceleration every time you grab a handful of throttle and go for it! Fully automatic  ….  no clutch lever or cable needed   Installs in minutes …. no machining or modification to engine needed. Weighted cam action levers …… 20% greater clamping for positive lockup. Works on stock 50cc power through fully modified 125cc. Easy maintenance … remove 5 cap screws to disassemble. Adjustable stall speed ….. a must for the serious racer. CNC machined from billet alloy steel and aluminum. Cryogenic treatment ….lasts longer….transfers heat quicker. Clutch includes 54T Spur Gear, hardware, special tools, and manual.     CRF/XR50 and Honda are trademarks of Honda Corporation.