Kawasaki Ninja Service Manual: Throttle Control System Inspection

Kawasaki Ninja Service Manual / Periodic Maintenance / Periodic Maintenance Procedures / Fuel System (DFI) / Throttle Control System Inspection

If the free play is incorrect, adjust the throttle cables.

Throttle Grip Free Play Standard: 2 3 mm (0.08
0.12 in.)


If the throttle grip does not return properly, check the throttle cables routing, grip free play, and cable damage. Then lubricate the throttle cable.

If the idle speed increases, check the throttle cable free play and the cable routing.

Throttle Control System Inspection


If necessary, adjust the throttle cable as follows.

Throttle Control System Inspection


If the free play can not be adjusted with the adjusters, replace the cable.

Fuel System (DFI)
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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 ...

Other materials:

Cam Wear Inspection
Remove the camshafts (see Camshaft Removal). Measure the height [A] of each cam with a micrometer. If the cams are worn down past the service limit, replace the camshaft. Cam Height Standard: Exhaust 35.043 35.157 mm (1.3796 1.3841 in.) Intake 38.243 38.357 mm (1.5056 1.5101 in. ...

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 ...

Exhaust Butterfly Valve Actuator Inspection
NOTE Be sure the battery is fully charged Remove the front seat (see Front Seat Removal in the Frame chapter). Turn the ignition switch to ON. In the left side view of the motorcycle, check to see the pulley [A] clockwise [B] and counterclockwise [C] smoothly. The pulley turns ...