ENGINE MECHANICAL SERVICE MANUAL NUMBER 22
Page 3A-46 90-860074--1 FEBRUARY 2002
VALVE GUIDES
1. Remove valve stem seals.
2. Insert new valve into guide.
3. Measure valve stem clearance as follows:
a. Attach a dial indicator to cylinder head. Position it against the valve stem and close
to the valve guide.
b. While holding the valve head off of the seat by about 2 mm (1/16 in.), move valve
stem back and forth in directions shown. Compare stem clearance with
specifications.
70435
Valve Guide Exhaust Intake
Maximum Clearance
0.093 mm ( .0036 in.) 0.073 mm ( .0028 in.)
a
b
a-Intake Valve Guide I. D. Measurement: 7.99 - 8.00 mm (.3145 - .3149 in.)
b-Exhaust
Valve Guide I. D. Measurement: 7.99 - 8.00 mm (.3145 - .3149 in.)
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