2-24 PERIODIC MAINTENANCE
Periodic Maintenance Procedures
Engine Top End
Air Suction System Damage Inspection
Remove the fuel tank (see Fuel Tank Removal in the Fuel
System (DFI) chapter).
Separate the air switching valve hose [A] from the right
air cleaner housing.
Connect the following parts temporarily.
Fuel Pump/Fuel Level Sensor Lead Connector [A]
Fuel Hose [B] (see Fuel Tank Installation in the Fuel Sys-
tem (DFI) chapter)
Start the engine and run it at idle speed.
Plug the air switching valve hose end [A] with your finger
and feel vacuum pulsing in the hose.
If there is no vacuum pulsation, check the hose line for
leak. If there is no leak, check the air switching valve
(see Air Switching Valve Unit Test in the Electrical Sys-
tem chapter) or air suction valve (see Air Suction Valve
Inspection in the Engine Top End chapter).
Clutch Operation Inspection
Start the engine and check that the clutch does not slip
and that it releases properly.
If the clutch operation is insufficiency, inspect the clutch
When test riding the vehicle, be aware of surround-
ing traffic for your safety.