GRFD003"In the category of Transmissions and Gearing, Gearboxes"
The final drive gear in a motorcycle transmits power from the transmission to the rear wheel, providing the necessary torque and speed reduction to propel the bike forward.
This final drive gear will fit 50cc scooters with the following codes: 139QMa, 139QMB, BN139QMB
| Ref | Item Name | Price | ||
|---|---|---|---|---|
| 6 | ![]() |
Open Bearing 6204 P5 47 x 20 x 14mm BRG150 x 1
|
||
| 7 | ![]() |
Oil Seal 27 x 42 x 7mm OLSL031 x 1
|
||
| 9 | ![]() |
Gearbox Gasket 139QMA 139QMB GSKGB006 x 1
|
||
| 10 | ![]() |
Gearbox Output Shaft 125mm 139QMA 139QMB OTSH003 x 1
|
||
| 13 | ![]() |
Final Drive Gear 139QMA 139QMB GRFD003 x 1
|
||
| 14 | ![]() |
50cc Scooter Gearbox Input Shaft 139QMA 139QMB INSH003 x 1
|
||
| 15 | ![]() |
Open Bearing 6303-X3 42 x 17 x 12mm BRG158 x 1
|
| Manufacturer | Model | Diagram |
|---|---|---|
| BTM | BT49QT-9 | |
| Baotian | BT49QT-9 | |
| BT50QT-9 | ||
| Scout 50 | ||
| Benero | BT49QT-9 | |
| Lexmoto | Scout 49 [BT49QT-9LEX] | View parts diagram |
| Pulse | Scout 49 | View parts diagram |
| Rex | RS450 | |
| Superbyke | MPED 50 | |
| Yiben | Scout 50 [YB50QT-3] | |