Dr. Pulley Zuma 50cc Hit Clutch Yamaha Zuma 50 Prebug The KOSO Main Jet Kit

The KOSO Main Jet Kit is the Ideal kit to set up and tune your carburetor

Since this an OEM component all the specs are stock

0 gram Roller Weight Size

The Ruckus Tail Light Bracket will bolt right up under the stock seat with NO cutting or grinding

Dr. Pulley Zuma 50cc Hit Clutch Yamaha Zuma 50 Prebug The KOSO Main Jet KitThe Dr. Pulley Zuma Clutch enables high contact pressure not only through centrifugal force but using a double wedge system. The package includes the regular clutch springs and newly designed pillow springs which will give you more power to the ground. The stronger your engine the more response the Dr. Pulley clutch will achieve. Most clutches can give you a fast take off out of the hole but will start to slip at higher revs. However, the Dr. Pulley