Honda Prelude 1993 Service Manual page 159

Rocker Arms and Shafts
Clearance
Measure both the intake rocker shaft and exhaust rocker
shaft.
1, Measure diameter of shaft at first rocker location.
2. Zero gauge to shaft diameter.
MICROMETER
3. Measure inside diameter of rocker arm and check tor
out-of -round condition.
Rocksr Arm-to-Shatt Clearance:
l sko and Erhaust
Standard {N€w}: 0.025-0.052 mm
(O.OO1O 0.OO2O in)
S€wice Limit: O.08 mm (0.003 in.)
Surface should be smooth.
Repeat for all rockers.
- lf over limit, replace rocker shaft and all ove.-
tolerance rocker arms.
NOTE: lf any rocker arm needs replacement, replace
all three rocker arms in that set (primary. mid. and
secondarvl.
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