Honda Civic Service Manual page 147

Rocker Arms and Shafts
Clearance Inspection
Measure both the intake rocker shaft and exhaust rocker
shaft.
1.
Measure the diameter of the shaft at the first rocker
locatron.
2.
Zero the gauge to the shaft diameter'
I
3 .
M e a s u r e t h e i n s i d e d i a m e t e r o f t h e r o c k e r a r m a n d
check for an out of-round condition.
Rockel Arm-to-Shaft Clearance
Standard (Newl:
lntake:
0.017 - 0.050 mm
{0.0007 - 0.0020 inl
Exhaust: 0.018 - 0.054 mm
(0 0007 - 0 0021 in)
Service Limit:0.08 mm {0.003 inl
Repeat these measurements on all the rockers.
- lf the clearance is over the service limit, replace the
rocker shaft and all over tolerance rocker arms.
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