Universal M-18 - Timing Gears, Camshaft; Checking Oil Clearance of Camshaft; Checking Camshaft Alignment

CHECKING CAM HEIGHTS OF INTAKE AND EXHAUST
1. Measure the height of the cam at its highest point with a micrometer.
2. If the measurement exceeds the allowable limit, replace the camshaft. See engine
specifications.
1. Cam Height
CHECKING GEAR BACKLASH
1. Install a lever-type indicator between the gear teeth.
2. Clamp one gear, rotate the other and measure the backlash.
3. If the backlash exceeds the allowable limit, replace. See engine specifications.
138
Cam height measuring points