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:

Intake Air Pressure Sensor #2 Input Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the air cleaner housing (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter). Disconnect the intake air pressure sensor #2 connector and connect the measuring adapter [A] between these con ...

Intake Air Pressure Sensor #2 Installation
NOTE The intake air pressure sensor #2 is the same part as the intake air pressure sensor #1. Installation is basically the reverse of removal. Position the intake air pressure sensor #2 [A] between the projections [B] on the rubber damper. Install the rubber damper [A] on the brac ...

Fuel Hose Inspection (fuel leak, damage, installation condition)
If the motorcycle is not properly handled, the high pressure inside the fuel line can cause fuel to leak [A] or the hose to burst. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter) and check the fuel hoses. Replace the fuel hose if any fraying, cracks [B] or ...