E-Z-GO Engine, Shop Rebuild Manual

Page: 38 / 100

ENGINE MEASUREMENTS
Page C-8
Kawasaki Engine Shop Rebuild Manual
Measure Valve Spring Free Length
A.
Measure the valve spring [A] free length.
B. If the free length is less than the service limit, replace
the valve spring with a new one.
Valve Spring Free Length
Standard: 35 mm (1.38 in.)
Service Limit: 32.6 mm (1.28 in.)
Measure Valve Head Thickness
A.
Measure the thickness [A] of the valve head.
B. If the valve head thickness is less than the service
limit, replace the valve with a new one.
Valve Head Thickness
Standard: 0.4 mm (0.016 in.)
Service Limit: 0.4 mm (0.016 in.)
Measure Valve Stem Bend
A.
Place the valve in V blocks at each end of the stem,
and set a dial gauge [A] on the stem at a point half-
way between the blocks. Turn the valve to measure
the bend. The difference between the highest and the
lowest dial readings is the amount of bend.
B. If the valve stem bend is greater than the service
limit, replace the valve with a new one.
Valve Stem Bend
Standard: Less than 0.01 mm (0.0004 in.) TIR
Service Limit: TIR 0.05 mm (0.0020 in.)