Driven Racing 420 Rear Sprocket for Kawasaki Z125 porting This layout guarantees seamless plug-and-play

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

95mm variator pulley — larger than OEM for extended variator range

and 6 Gram Dr

This tool keeps flywheels

Driven Racing 420 Rear Sprocket for Kawasaki Z125 porting This layout guarantees seamless plug-and-playDriven 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,