Engine Top End

Cam Wear Inspection

~1min read
  • 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.)


Service Limit:

Exhaust 34.94 mm (1.376 in.)

Intake 38.14 mm (1.502 in.)

Cam Wear Inspection

Test yourself

A quick Kawasaki Ninja ZX-10R quiz: every answer comes with an explanation and a link to the manual page.