Yamaha YZ450F 2020 Owner's Service Manual page 248

Shift pedal bolt
12 N·m (1.2 kgf·m, 8.9 lb·ft)
TIP
Align the punch mark "a" on the shift shaft with
the punch mark "b" in the shift pedal.
1 1
b
a
2 2
5-58
SHIFT SHAFT