• Oil the stem hole of each valve guide and drive the guide into
the guide
hole using the valve guide installer
and
attachment.
ditI
09916-44310: Valve
guide
removerfinstaller
0991&-53360: Valve
guide
installer
attachment
I
CAUTION
I
Failure
to
all
the valve
guide
hole
before
driving
the
new
guide
Into
place
may
result
in a
damaged
guide
or
head.
• After fitting the valve guides, refinish their guiding bores with
the valve guide reamer.
Be
sure to clean and
oit
the guides
after reaming.
aitI
09916·34570: Valve
guide
reamer
(5.0
mm)
09916
·3
4542: Reamer
handle
VALVE
SEAT
WIDTH
• Coat the valve seat uniformly with prussian blue. Install the
valve and attach a valve lapper onto
it. Tap the coated seat
with the valve face in a rotating
manner
, in order to obtain a
clear impression of the seating contact.
~
09916·10911: Valve
lapper
set
• The ring-like dye impression left on the valve face must be
continuous, without any breaks.
In addition, the width of the
dye
ring, which is the valve seat width,
must
be within the fol-
lowing
specification.
~
Valve
seat
width
®
Standard
: 0.9
-1.1
mm
(0.035
~
0.043
in)
If the valve seat
is
out
of
specification, re-cut the seat.
ENGINE
3-23
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