Tokawa gear box race with longer ratio for the 1st and 2nd gear .
Updated to reduce the risk the 3nd gear leave out. Reinforced at the gear kick support and for the 3rd tooth
Fit only with the updated drum reference 4121
 and the mainshaft reference 4940
For needles bearing assembly on the right side.
From left to right :
Ø63.05 / 34 teeths
Ø56.3 / 29 teeths
Ø49.9 / 23 teeths
Ø45.6 / 20 teeths
The full set, main and second gear shaft + drum fir all YX and YCF engines