Note

Remove the valve cotters by compressing the valve springs with the valve spring compressor (2 and the valve spring compressor attachment

Valve spring compressor

90890-04019, YM-04019 Valve spring compressor attachment

90890-04108, YM-01253

4. Remove:

Identify the position of each part very carefully so that it can be reinstalled in its original place.

EAS00239

CHECKING THE VALVES AND VALVE GUIDES

The following procedure applies to all of the valves and valve guides. 1. Measure: • valve-stem-to-valve-guide clearance

Valve-stem-to-valve-guide clearance = Valve guide inside diameter @ -Valve stem diameter ®

Out of specification guide.

Replace the valve

Valve-stem-to-valve-guide clearance Intake

0.010 - 0.037 mm (0.0004 - 0.0015 in) <Limit>: 0.08 mm (0.0031 in) Exhaust

0.025 - 0.052 mm (0.0010 - 0.0020 in) <Limit>: 0.10 mm (0.0039 in)

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