Test Sequence
-- Insert the valve into guide. Valve stem end must be flush with the guide. Due to differences in valve stem diameter, make sure that only intake valves are used to check intake valve guides, and only exhaust valves are used to check exhaust valve guides.
-- Determine tip clearance.
Wear Limit
| Intake Valve Guide | Exhaust Valve Guide |
|---|---|
| 0.80 mm | 0.80 mm |
NOTE:
If wear limit is exceeded, measure using new valves. Replace the cylinder head if the wear limit is still exceeded.
If the valve is replaced during a repair, use a new valve for measurement.