Chinese Timing Chain Guide Set - GY6 50cc 139QMB
Upper and Lower
This Chinese timing chain guide set is the replacement part for many 4-stroke Chinese 50cc scooters.
Timing chain guides description:
- Sold as set - upper and lower
- Upper guide as 6mm hole on one end
- Upper guide is 12mm wide at the widest point
- Upper guide is 201mm [7.93"] long
- Lower guide does not have the hole
- Lowe guide is 19mm wide at widest point
- Lower guide is 202mm [7.95"] long
- For 50cc 139QMB
It's always a good idea to consider replacing the chain and tensioner at the same time your replacing the guides. Please look at the pictures and read the descriptions before ordering.