CSC Speedometer Drive Gear for CSC Go., GY6 50cc (139QMB) Scooters

Speedometer Drive Gear for CSC Go. Scooters and 139QMB Engines

This speedometer drive gear is made for CSC Go. scooters and works with 139QMB 50cc and 80cc engines. It is a straight swap for the factory part and helps the speedometer show accurate readings. Among GY6 50cc scooter parts, it keeps the speedometer working dependably, which matters to any rider who wants to keep their scooter running well.

Build and Fit

Designed for a 12mm front axle, this gear takes the place of the original component with little fuss. It suits a range of engine codes, so it fits many scooter models. Check the compatibility details before ordering to make sure it matches your vehicle.

Signs It Needs Replacing

Swap out the speedometer drive gear if the speed readings look off or the gear shows damage. Checking it now and then can head off bigger problems in the speedometer system. If your scooter has trouble with speed measurement, this replacement is a simple place to start.

Specifications

• Inner Diameter of Center Hole: 12mm
• Thread Size (Speedometer End): M12x1.00
• Outer Diameter of Hub: 53.5mm
• Seal Size: 40x50x5
• Fits: CSC Go and CSC Go Max scooters with GY6 50cc (139QMB) engines, 12mm front axle

Fitment

Fits:

• GY6 50cc (139QMB) (12mm front axle)
• CSC Go Max (12mm front axle)
• CSC Go (12mm front axle)
• 139QMB-based 50cc and 80cc engines with codes 139QMA, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD

How to choose: Make sure the 12mm center hole matches your front axle diameter, and confirm your engine code starts with QM or FM.

Where it goes: part #9 on the front wheel assy diagram for the GY6 50cc (139QMB), CSC Go; part #9 on the front wheel assy diagram for the CSC Go Max.

Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Speedometers & Gauges · Scooter Transmission & Final Drive · Scooter Parts