wsm M108S Workshop Manual page 236

M108S, WSM
Shift Fork Rod and Fork
1. Interlock balls (5) restrain the movement of the 1st-2nd shift fork rod and 3rd-4th shift fork rod at the same time.
As a result, double engagement of the gear is prevented.
2. Detent ball prevents the self disengagement of the gears.
3-M17
TRANSMISSION
(1) 3rd-4th Shift Fork Rod
(2) 1st-2nd Shift Fork Rod
(3) Shaft
(4) 3rd-4th Shift Fork
(5) Interlock Ball
(6) Detent Ball
(7) Safety Switch
(8) Spring
(9) Cam
(10) Select Lever
(11) Select Arm
(12) Positioning Screw
(13) Ball
W1013349
KiSC issued 05, 2012 A