Gearshift Mechanism - Generic TR 125 Service Manual

13.5 Gearshift mechanism

Disassemble
Remove the stop arm.
Remove the gearshift locating plate.
Remove the gearshift shaft combination
Remove the parts.
(Please refer to the exploded view of the
variable-speed shift assembly)
Inspection
The gearshift plate should be pulled back flexibly without clamping stagnation before being disassembled.
Check whether the gearshift plate and the gearshift shaft combination are worn. If badly worn, replace it.
Check whether the gearshift locating plate is worn. If badly worn, replace it.
Check whether the gearshift shaft is bent. If excessively bent, replace it.
Check whether the force of the return spring is weakened, and replace it if necessary.
Loosen the nuts and washer of the right
crankshaft to remove the clutch drive
gear using electric or pneumatic tools.
Remove the nuts of the countershaft to
remove the sprockets and bushings.
Stop arm
Gearshift
locating plate
Gearshift shaft
combination
Nut
Clutch
drive gear
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