If the guide pin on any shift fork is less than the service limit, the fork must be replaced.
Shift Fork Guide Pin Diameter
Standard: 6.9 
7.0 mm (0.272
0.276 in.)
Service Limit: 6.8 mm (0.268 in.)
If any shift drum groove is worn over the service limit, the drum must be replaced.
Shift Drum Groove Width
Standard: 7.05 
7.20 mm (0.278
0.283 in.)
Service Limit: 7.3 mm (0.287 in.)
Shift Fork/Gear Groove Wear Inspection
Gear Dog and Gear Dog Hole
Damage InspectionMain Throttle Sensor Output Voltage Inspection
Measure the output voltage at the main throttle sensor in
the same way as input voltage inspection, note the following.
Disconnect the main throttle sensor connector and connect
the setting adapter [A] between these connectors.
Special Tool - Throttle Sensor Setting Adapter: 57001
-15 ...
Air Switching Valve (Service Code 64)
Air Switching Valve Removal/Installation
Refer to the Air Switching Valve Removal/Installation in
the Engine Top End chapter.
Air Switching Valve Inspection
Refer to the Air Switching Valve Unit Test in the Electrical
System chapter.
If the air switching valve [A] is normal, check ...
Air Intake Duct Assembly (Other than US, CA and CAL Models)
Install the seals [A] as shown in the figure.
Fit the projections [A] of the air intake valve to the hole [B]
of the air intake ducts.
Tighten:
Torque - Air Intake Duct Assembly Screws: 1.5 N·m (0.15
kgf·m, 13 in·lb)
Hang the shaft [A] to the air intake valve securely ...