Warning!
- Make sure the motorcycle is stabilised and adequately supported.
- A correctly supported motorcycle will help prevent it from falling.
- An unstable motorcycle may fall, causing injury to the operator or damage to the motorcycle.
Perform the following operations:
- Engine - removal
- Crankcases - removal
- Input and output shaft assemblies - removal
- Gear change shaft - removal
1. Remove and discard the fixings for the selector drum, input and output keeper plates/washer. Note the position of the washer and keeper plates for installation.
![](https://motoinstruction.ru/img/triumph/15/121293.jpg)
1. Fixings; 2. Selector drum keeper plate; 3. Input selector shaft washer; 4. Output selector shaft keeper plate
Caution! The two output shaft selector forks can be fitted incorrectly. Ensure the position and orientation of the selector forks are marked prior to removal. Incorrect fitting of the selector forks will cause gearbox damage.
Note: There are identification markings on one side of the fork. These markings must face the alternator side of the engine when installed. Note the orientation of the selector forks for installation.
2. Slide the output selector shaft from the crankcase in the direction of the clutch. Collect the two selector forks as they are released by the selector shaft.
![](https://motoinstruction.ru/img/triumph/15/121294.jpg)
1. Output selector shaft; 2. Sixth gear selector fork; 3. Fifth gear selector fork
3. Noting the position of the selector fork, remove the input selector shaft, leaving the selector fork in the gearbox.
![](https://motoinstruction.ru/img/triumph/15/121295.jpg)
1. Input selector shaft; 2. Selector fork
4. Withdraw the selector drum from within the crankcase.
![](https://motoinstruction.ru/img/triumph/15/121296.jpg)
1. Selector drum removal
5. Collect the input shaft selector fork from the crankcase.