ENGINE MEASUREMENTS
Page C-10
Kawasaki Engine Shop Rebuild Manual
CAMSHAFT AND TAPPETS
Measure Camshaft Bearing/Journal Wear
A.
Measure the height of each cam lobe [A].
B. If the cam height is less than the service limit for
either lobe, replace the camshaft.
Cam Lobe Height
Standard:
Inlet 29.95 ~ 30.05 mm (1.179 ~ 1.183 in.)
Exhaust 29.95 ~ 30.05 mm (1.179 ~ 1.183 in.)
Service Limit:
Inlet 29.86 mm (1.176 in.)
Exhaust 29.86 mm (1.176 in.)
C.
Measure both camshaft journals at several points
around the journal circumference.
D. If the journal diameter is less than the service limit,
replace the camshaft.
Crankcase Side Camshaft Journal Diameter
Standard: 19.967 ~ 19.980 mm (0.78610 ~ 0.78661 in.)
Service Limit: 19.94 mm (0.7850 in.)
Crankcase Cover Side Camshaft Journal Diameter
Standard: 49.959 ~ 49.975 mm (1.9669 ~ 1.9675 in.)
Service Limit: 49.93 mm (1.966 in.)
E.
Measure the inside diameter [A] of the camshaft
bearing on the crankcase at several points.
F. Replace the crankcase if the inside diameter is more
than the service limit.
Camshaft Bearing Inside Diameter (Crankcase)
Standard: 20.000 ~ 20.013 mm (0.78740 ~ 0.78791 in.)
Service Limit: 20.07 mm (0.7902 in.)
G.
Measure the inside diameter [A] of the camshaft
bearing on the crankcase cover at several points.
H. Replace the crankcase cover if the inside diameter is
more than the service limit.
Camshaft Bearing Inside Diameter (Crankcase
Cover)
Standard: 50.000 ~ 50.025 mm (1.9685 ~ 1.9695 in.)
Service Limit: 50.09 mm (1.972 in.)
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