Honda Prelude 1993 Service Manual page 123

Valve Guides
Replacement {cont'd}
7.
SliD a 6.5 mm (0.26 in) steel washer and the correct
driver attachment over the end of the driver (The
washer will absorb some of the impact and extend the
life of the driver).
T:-r-w
DRIVER 6.5 rm 10.26 hl
ATTACHME T
WAHSER
Insta,,the new guidels) trom the camshaft side ot the
head: drive each one in until the attachment bottoms
on the head. lf you have allsixteen guides to do, you
mav have to rcheat the head one ot two more times
Vdvo Guide Instatred Hoight:
Standard (Newl:
l m a k e : 1 3 . 2 5 - 1 3 . 7 5 m m
( O . 5 2 2 - O . 5 4 1 i n )
Erhaust: 13.75- 14.25 mm
( O . 5 4 1 - O . 5 6 1 i n )
VALVE GUIDE
Reaming
NOTE: For new valve guides only.
1. Coat both reamer and valve guide with cuning oil.
2.
Rotate the reamer clockwise the fulllength ofthe valve
guide bore.
3.
Continue to rotate the teamer clockwise while remov-
ing it trom the bore.
4.
Thoroughly wash the guide in detergent and water to
remove any cutting residue.
5.
check clearance with a valve (page 6-52)
o Verify that the valve slides in the intake and ex-
haust valv€ gurUes withoui exerting pressufe.
07984-65701OC ol
07984-657010D
REAMER HA'{DLE
VALVE GUIDE DRIVER,
6.6 mm
07942-65701fi,
6-54