Cam Chain Adjuster Kit for CSC Go., GY6 50cc (139QMB) Scooters

Cam Chain Adjuster Kit for CSC Go and 139QMB Engines

This cam chain adjuster kit suits CSC Go and Pug scooters that run 139QMB engines. It takes the place of the factory tensioner and is built to keep working reliably. Listed among our GY6 50cc scooter parts, this adjuster keeps the right amount of tension on the cam chain, which matters for how the engine runs. Fitting this part can help avoid engine damage and keep your scooter running smoothly.

How the Cam Chain Adjuster Works

The cam chain adjuster keeps the cam chain at the correct tension inside the scooter's engine. When the adjuster is working properly, the chain does not go slack, and slack is what leads to noise or mechanical failure. If the engine starts making odd sounds or losing performance, the adjuster may need replacing.

Fitting Notes

Fitting the cam chain adjuster takes basic mechanical ability. The part sits in the designated spot on the engine, so swapping out a worn adjuster is a simple job. Let the engine cool completely first, and follow normal engine maintenance practice while you work.

Specifications

• Bolt Hole Spacing: 39mm
• OEM Part Number: 151-126, 151-20
• Fits: CSC Go, CSC Go Max and CSC Pug 50 scooters with 139QMB-based 50cc/80cc engines

Compatibility

Compatible with:

• GY6 50cc (139QMB) (139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD engine codes)
• CSC Go Max
• CSC Pug 50
• CSC Go

Location on diagram: part #12 on the cylinder crankshaft diagram for the GY6 50cc (139QMB), CSC Go; part #12 on the cylinder crankshaft diagram for the CSC Go Max; part #12 on the cylinder crankshaft diagram for the CSC Pug 50.

Browse related parts: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Cylinder Heads & Valves · Scooter Chains & Sprockets · Scooter Parts