Driven Racing 420 Rear Sprocket for Kawasaki Z125 porting This gasket set is a

This gasket set is a direct replacement for the 250cc Liquid-Cooled (172mm) engine family:

This layout guarantees seamless plug-and-play integration with factory Razor variable-speed twist throttles

Products under the Prima brand are specifically engineered to fit seamlessly and color-match when appropriate with a wide range of well-known scooter manufacturers

If your bike runs an unaltered 105mm setup

Driven Racing 420 Rear Sprocket for Kawasaki Z125 porting This gasket set is aDriven Racing EVO TECH rear sprocket for Kawasaki Z125 with 420 chain. Driven Kawasaki Z125 rear sprockets are available in 30t and 32t options. A few rules regarding gear ratios for sprockets are as follows: Drop teeth on front add teeth to rear = increased torque, increased acceleration, wheelies, racetracks with short straights Add tooth on front reduce teeth on rear = increased top end speed, open road cruising, lowers RPMs, better gas mileage,