The following instructions are written on the assumption that the gearbox is being reassembled without any changes to the constituent parts. Should it be necessary to renew any parts of the gearbox assembly it may be necessary to select different shim-washers. The instructions for this will be found on page.
Although the gearbox assembly is shimmed when built it will not be necessary to select new shims, if a complete gearbox is being transferred from one set of crankcases to another.
| Spacer | A outer chamfer facing right. |
| 3rd gear | B 28 teeth, dogs facing left. |
| Needle bearing | C |
| 2nd gear | D 24 teeth, longer shoulder facing right |
| Bottom gear | E 20 teeth, longer shoulder facing right |
| Thrust washer | F inner chamfer facing left |
