Driven Racing 420 Rear Sprocket for Kawasaki Z125 SSR the company was acquired by

the company was acquired by Motori Minarelli

Pulsed Secondary Air Injection System (PAIR) is an emissions control system used to lower hydrocarbon (HC) and carbon monoxide (CO) emissions by allowing air into the exhaust flow

Can be used on stretched Honda Ruckus with a shock arm extension — does not fit the factory Ruckus shock mount

red and silver

Includes Gasket: Ready to install with the included head gasket

Driven Racing 420 Rear Sprocket for Kawasaki Z125 SSR the company was acquired byDriven 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,