Kawasaki Ninja Service Manual: Cam Wear Inspection

Kawasaki Ninja Service Manual / Engine Top End / Camshaft, Camshaft Chain / Cam Wear Inspection

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.)


Service Limit:

Exhaust 34.94 mm (1.376 in.)

Intake 38.14 mm (1.502 in.)

Cam Wear Inspection


Camshaft Runout Inspection
Remove the camshafts (see Camshaft Removal). Set the camshaft in a camshaft alignment jig or on V blocks. Measure the runout with a dial gauge at the specified place as shown in the figure. ...

Camshaft Chain Removal
Remove: Camshafts (see Camshaft Removal) Timing Rotor (see Timing Rotor Removal in the Electrical System chapter) Front and Rear Camshaft Chain Guides (see Cylinder Head Removal) Remove ...

Other materials:

External Shift Mechanism Inspection
Examine the shift shaft [A] for any damage. If the shaft is bent, straighten or replace it. If the serration [B] are damaged, replace the shaft. If the spring [C] is damaged in any way, replace it. If the shift mechanism arm [D] is damaged in any way, replace the shaft. Check the s ...

Crankshaft Side Clearance Inspection
Insert a thickness gauge [A] between the thrust washer [B] on the crankcase and the crank web [C] at the #3 main journal to determine clearance. If the clearance exceeds the service limit, replace the thrust washers as a set and check the width of the crankshaft #3 main journal. Cra ...

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 ...