Kawasaki Ninja Service Manual: Idle Speed Inspection

Kawasaki Ninja Service Manual / Periodic Maintenance / Periodic Maintenance Procedures / Fuel System (DFI) / Idle Speed Inspection

Start the engine and warm it up thoroughly.
With the engine idling, turn the handlebar to both sides [A].

If handlebar movement changes the idle speed, the throttle cables may be improperly adjusted or incorrectly routed, or damaged. Be sure to correct any of these conditions before riding (see Throttle Control System Inspection and Cable, Wire, and Hose Routing section in the Appendix chapter).

Idle Speed Inspection

WARNING

Operation with improperly adjusted, incorrectly routed or damaged cables could result in an unsafe riding condition. Follow the service manual to be make sure to correct any of these conditions.

Check the idle speed.

If the idle speed is out of specified range, check the idle speed control valve (see Idle Speed Control Valve Inspection in the Self-Diagnosis System chapter).

Idle Speed Standard: 1 100 ±50 r/min (rpm)

Idle Speed Adjustment

NOTE

This motorcycle is equipped with the idle speed control valve. The idle speed is adjusted automatically at the specified value (1 100 r/min (rpm)) by the idle speed control valve system. Therefore, it is not necessary to adjust the idle speed normally.

Engine Vacuum Synchronization Inspection

NOTE These procedures are explained on the assumption that the intake and exhaust systems of the engine are in good condition. Situate the motorcycle so that it is vertical. Remove: Fuel Ta ...

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 Syst ...

Other materials:

Catalytic Converter
This motorcycle is equipped with a catalytic converter in the exhaust system. The converter reacts with carbonmonoxide, hydrocarbons and nitrogen oxides to convert them into carbon dioxide, water, nitrogen and oxygen resulting in much cleaner exhaust gases to be discharged into the atmosphe ...

Intake Air Pressure Sensor #1 Removal
NOTICE Never drop the intake air pressure sensor #1 especially on a hard surface. Such a shock to the sensor can damage it. Remove: Air Cleaner Housing (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter) Intake Air Pressure Sensor #1 Connector [A] Remove the intake air ...

Spring Plate Free Play Measurement
Insufficient clutch free play will cause the engine braking effect to be more sudden, resulting in rear wheel hop. On the other hand, if the free play is excessive, the clutch lever may feel “spongy” or pulsate when pulled. Hold an extra drive shaft in a vise and install the following c ...