it does not include an electrical kill-switch
The flywheel weighs in at 1
An expansion chamber exhaust significantly improves engine power output by enhancing its volumetric efficiency resulting in more power and better performance across a wider RPM range
or 170i models
Wide Profile: The 30-inch width offers increased leverage and a comfortable
Air Injection Valve; CSC go., 139QMB Scooters filly it does not include anComplete secondary air intake replacement assembly for Chicago Scooter Company go, go MAX, Pug 50, Nitro Sport 50, Bella Classic 50 and 50cc 139QMB bikes. Specifications: Includes air injection valve, tension spring, air hose, air modulator, gasket, and screws and clips to mount and secure the assembly Compatibility: CSC Bella Classic 50 CSC Nitro Sport 50 CSC Pug 50 CSC go CSC go MAX 139QMB based 50cc 80cc engines with the following engine codes: