2. | Slide the valve out of its guide about 10 mm, then measure the guide-to-stem clearance with a dial indicator while rocking the stem in the direction of normal thrust (wobble method).
- If the measurement exceeds the service limit, recheck it using a new valve.
- If the measurement is now within the service limit, reassemble using a new valve.
- If the measurement with a new valve still exceeds the service limit, go to 3.
Intake Valve Stem-to-Guide Clearance:Standard (New): | 0.04-0.10 mm (0.002-0.004 in.) | Service Limit: | 0.16 mm (0.006 in.) |
Exhaust Valve Stem-to-Guide Clearance:Standard (New): | 0.10-0.16 mm (0.004-0.006 in.) | Service Limit: | 0.22 mm (0.009 in.) | |