Rocker Arms and Shafts

Clearance

Measure both the intake rocker shaft and exhaust rocker shaft.
1. Measure the diameter of shaft at the first rocker location.

2. Zero the gauge to the shaft diameter.

3. Measure inside diameter of rocker arm and check for out-of-round condition.
Rocker Arm Radial Clearance: Service Limit: 0.08 mm (0.003 in.)

4. Repeat for all the rockers.
- If the clearance is over the service limit, replace the rocker shaft and all over-tolerance rocker arms.