Kawasaki Ninja Service Manual: Air Suction System Damage Inspection

Kawasaki Ninja Service Manual / Periodic Maintenance / Periodic Maintenance Procedures / Engine Top End / Air Suction System Damage Inspection

Separate the air switching valve hose [A] from the lower air cleaner housing [B] (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter).

Air Suction System Damage Inspection

Connect the following parts temporarily.

Fuel Pump Lead Connector [A] Extension Tube [B] Air Cleaner Housing (see Air Cleaner Housing Installation in the Fuel System (DFI) chapter)

Special Tool - Extension Tube: 57001-1578

Air Suction System Damage Inspection

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 System chapter) or air suction valve (see Air Suction Valve Inspection in the Engine Top End chapter).

Air Suction System Damage Inspection

Valve Clearance Adjustment

To change the valve clearance, remove the camshafts (see Camshaft Removal in the Engine Top End chapter) and valve lifters. Replace the shim with one of a different thickness. NOTE Ma ...

Clutch

Clutch Operation Inspection Pull the clutch lever just enough to take up the free play [A]. Measure the gap between the lever and the lever holder. If the gap is too wide, the clutch may no ...

Other materials:

Subthrottle Valve Actuator Resistance Inspection
Turn the ignition switch to OFF. Disconnect the subthrottle valve actuator connector [A]. Connect a digital meter to the subthrottle valve actuator connector [A]. Measure the subthrottle valve actuator resistance. Subthrottle Valve Actuator Resistance Connections: Y/BK lead [1 ...

ECU Communication Error (Service Code 39)
ECU Communication Line Inspection When the data is not sent from the ECU to the meter unit for more than about 10 seconds, the service code 39 is displayed. The data is sent through the CAN communication line. The service code 39 is detected with the meter unit. When the user mode, this commun ...

Transmission Assy Removal
Remove: Engine Sprocket (see Engine Sprocket Removal in the Final Drive chapter) Gear Position Switch (see Gear Position Switch Removal in the Electrical System chapter) Collar [A] O-ring [B] Remove: Clutch (see Clutch Removal in the Clutch chapter) Shift Shaft Assembly ...