NCY Secondary Sliding Sheave Assembly; Dio, Elite, Buddy 50 rolf Fuel Line for CSC go

Fuel Line for CSC go or 139QMB Chinese Scooters

SYM DD50: (All Years)

Integrated Pickup Coil: Includes a pre-aligned pulsar/pickup coil to ensure perfect ignition timing and smooth engine idling

By reducing the rotational mass of the drive pulley

Plug Style: 5-Pin

NCY Secondary Sliding Sheave Assembly; Dio, Elite, Buddy 50 rolf Fuel Line for CSC goThis NCY adjustable Secondary Sliding Sheave Assembly is compatible with Genuine, Honda, SYM and 139QMB GY6 50cc engines. The assembly comes with two sets of ramp angles, one steeper than the other, which allow you to adjust how quickly the pulley engages. A quicker engagement means more power off the line, and more gradual engagement gives you more power at speed. Specifications: Rear Pulley Plate OD: 118. 5mm, Shaft ID: 17. 43<21mm, OD: 34<45. 1mm,