50cc QMB139 Engine Bearing Set for 139QMB/QMA GY6 4T Scooters
This 101 Octane bearing set contains all the relevant bearings found within the engine. A complete kit, at a low price. Crank main bearings not included. Not available as single items, owing to the huge risk on the timing chain sit of the crank when installing. Where new main bearings are required, we recommend buying a new crank. The bearings come pre-installed and there is no danger of damaging the engine.
This 101 Octane bearing set contains all the relevant bearings found within the engine. A complete kit, at a low price. Crank main bearings not included. Not available as single items, owing to the huge risk on the timing chain sit of the crank when installing. Where new main bearings are required, we recommend buying a new crank. The bearings come pre-installed and there is no danger of damaging the engine.
![[12 - 32 - 10] ball bearing 6201](https://www.racingplanetusa.com/images/gross/ip20973_kugellager_offen_6201_web.jpg?language=en&shop_ID=1 "[12 - 32 - 10] ball bearing 6201"){kind=small}
![[17 - 40 - 12] ball bearing 6203](https://www.racingplanetusa.com/images/gross/ip20971_kugellager_offen_6203_web.jpg?language=en&shop_ID=1 "[17 - 40 - 12] ball bearing 6203"){kind=small}
![[20 - 42 - 12] ball bearing 6004.2RS](https://www.racingplanetusa.com/images/gross/kugellager_2rsh_neutral_shop.jpg?language=en&shop_ID=1 "[20 - 42 - 12] ball bearing 6004.2RS"){kind=small}
