Dr. Pulley Clutch & Bell Kit Yamaha Zuma 50A Dr. Pulley Clutch assembly enables the high contact pressure, not only through centrifugal force but using a double wedge system. The kit 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.

This is done by using a single pipe to reduce metal fatigue that can possibly be caused by welds

They do not work well with upgraded engines including big bores or larger carburetors

This makes it ideal for GY6 Swaps for tuning and obtaining more power

This unit is compatible with popular oil coolers such as the ones from RRGS

If you've ever installed piston rings you understand the annoyance of simply getting them on

Vehicle Type Motorcycle

3 Different Maps

Many of these brackets are bulky or have too many extra designs

OKO PWK Carburetor

For convenience

It comes in a sleek black finish

It features a larger knob for easy pull and grip