Refer to “gearshift shaft / gearshift cam plate removal and installation” .
Gearshift shaft
Check the gearshift shaft for bend or wear.
Check the return spring for damage or fatigue.
If any defects are found, replace the defective part(-s).

Gearshift shaft oil seal
Inspect the gearshift shaft oil seal lip for damage or wear. If any defect is found, replace the oil seal with a new one.

Gearshift shaft bearing
Inspect the gearshift shaft bearings for abnormal noise and smooth rotation. Replace the bearing if there is anything unusual.

Gearshift shaft / gearshift cam plate removal
and installation
Gearshift shaft oil seal / bearing removal and installationSpecial tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Lubrication points”
Special tool
...
Clutch control system components
Push rod
Clutch release camshaft
Clutch release arm
Clutch cable
1 N·m (0.1 Kgf-m, 0.7
Lbf-ft)
6 N·m
(0.6 Kgf-m, 4.5 Lbf-ft)
10 N·m
(1.0 Kgf-m, 0.7 Lbf-ft)
Apply grease
Do not reuse.
...
Throttle body removal and installation
Removal
Remove the side cowlings. Refer to “exterior parts
removal and installation” in section 9d (page 9d-
6).
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” .
Remove the clamps (1).
Disconnect the iap sensor (2) from the vacuum
...