5-22 ENGINE TOP END
Valves
Measuring Valve/Guide Clearance
•
Subtract the valve stem diameter from the valve guide
inside diameter to get the valve/valve guide clearance.
Valve/ Guide Clearance
Standard:
Inlet
0.055 ∼ 0.070 mm (0.0022 ∼ 0.0028 in.)
Exhaust
0.035 ∼ 0.050 mm (0.0014 ∼ 0.0020 in.)
Service Li mit:
Inlet
0.090 mm ( 0.0035 in.)
Exhaust
0.094 mm ( 0.0037 in.)
Valve Stem Cap Inspection
•
Visually inspect the valve stem cap [A] for wear.
If the cap is worn, replace it.
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