Montesa COTA 301RR 2023, Owner'S Manual

Page: 111 / 180

Engine servicing
4-48 4-48
(1) GUIDE PLATE (2) “UP” MARK
(3) BOLTS (4) DRUM SHIFTER
(5) SHIFTER COLLAR
Apply a locking agent to the center bolt threads and install
and tighten the drum center bolt to the specified torque.
Torque: 22 N•m (2.2 kgf•m, 16 lbf•ft)
Set the drum center in a position other than neutral.
Install the drum shifter with the guide plate while holding
onto the ratchet pawls.
Install the guide plate bolts and tighten them.
Install the shifter collar on the drum shifter.
(1) SHIFT DRUM CENTER
(2) CENTER PIN
(1) RETURN SPRING
(2) WASHER
(3) STOPPER ARM
(4) DRUM CENTER
(5) DOWEL PIN
(6) CUT-OUT
Install the return spring, plain washer and stopper arm
and tighten the stopper arm bolt to the specified torque.
Torque: 12 N•m (1.2 kgf•m, 9 lbf•ft)
Install the dowel pin into the shift drum.
Install the drum center by aligning the cut-out with the
dowel pin on the shift drum while holding the stopper arm
with the screwdriver as shown.
(1) DRUM SHIFTER
(2) SPRING
(3) PLUNGER
(4) RATCHET PAWL A
(5) RATCHET PAWL B
(6) GUIDE PLATE
Inspection
Inspect each part for wear or damage and replace if
necessary.
Installation
Apply transmission oil to the ratchet pawls, springs and
plungers.
Assemble the drum shifter, springs, plungers and ratchet
pawls in the guide plate as shown.
NOTICE
Note the direction of the ratchet pawl A and B.
5 4 3 2
1
6
6
5
4
3
2
1
2
1
5
4
3
3
2
1