Dr Pulley Variator 151202 40QMB Engines

Not for Yamaha Zuma only for 40QMB engines found in Chinese made Scooters

Always been here and always the best when it comes to the drive unit on a scooter the Dr Pulley products you can not go wrong on.

The ramp plate design is for torque and top end with a smooth trans action that gets speed when needed and torque for ridding todays roads.

Crank is 16mm taper with 21mm boss same as 40QMB engines used in Keeway, Benelli, CPI and many others includingJonway two stroke scooters

Most of these work in racing quads that are picking up across the country.