Kawasaki Ninja Service Manual: Idle Speed Inspection

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

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.

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:

Throttle Control System Inspection
Check the throttle grip free play [A]. If the free play is incorrect, adjust the throttle cables. Throttle Grip Free Play Standard: 2 3 mm (0.08 0.12 in.) Check that the throttle grip [B] moves smoothly from full open to close, and the throttle closes quickly and completely by the ...

Engine Sprocket Installation
Replace the sprocket washer and axle cotter pin. Install the engine sprocket onto the output shaft. Apply molybdenum disulfide oil solution to the threads and seating surface of the engine sprocket nut. Tighten: Torque - Engine Sprocket Nut: 145 N·m (14.8 kgf·m, 107 ft·lb) NOTE ...

Piston Ring Groove Width Inspection
Measure the piston ring groove width. Use a vernier caliper at several points around the piston. Piston Ring Groove Width Standard: Top [A] 0.82 0.84 mm (0.0323 0.0331 in.) Second [B] 0.82 0.84 mm (0.0323 0.0331 in.) Service Limit: 0.92 mm (0.036 in.) Second 0.92 mm (0.036 in.) ...