- How To Adjust Your Clutch for 48cc 50cc 66cc 80cc Motorized Bike

— In this video, ’s Technician, Matt T., explains how to adjust your 66cc, 80cc, or 48cc bicycle engine clutch the easy way. This is great for any 2-stroke bike engine kit like, Grubee SkyHawks, StarFires, Flying Horses, RAW, and much more! Adjusting your clutch, when when done right, will improve your motor performance. Matt gives clear advice in properly adjusting your clutch on your motorized bicycle for both novice and expert riders! -