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Honda TRX70 Fourtrax 1986 User Manual

Honda TRX70 Fourtrax 1986
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CYLINDER
HEADIVAlVES
Drive
in
the
new
valve guide
from
the
top
of
the
head.
Check
to
be
sure
the
new
guide
was
not
damaged during in-
stallation,
then
ream
the
guide.
TOOL
:
Valve
guide
driver.
5.5
mm
07742
-
0010100
or
07942-3290100
Ream
the
new
valve guide
after
installation.
NOTE
Use
cutting
oil
on
the
reamer during
this
operation.
Rotate
the
reamer
in
the
same
direction
when
inserting
and
removing
it.
Rafsee
the
valva seat.
Clean
the
cylinder head
tho
r
oughly
to
remove any
metal
parti
-
cles.
TOOL:
Valve guide reamer
07984
-
098000A
or
07984
-
0980000
(U
.S.A.
onlyl
VALVE
SEAT
INSPECTION/REFACING
Clean
both
intake and
exhaust
valves
tho
roughly
to
remove
carbon deposits.
Apply
a
light
coating
of
prussian blue
to
each
valve face. Lap each
valve and seat
using
a rubber hose or
other
hand·lapping
tool.
NOTE
Take care
not
to
allow
the
compo
und
to
enter
between
the
valve stem and guide.
Afte
r lapping,
wash
out
the
compound
comp
letely and
apply a
coat
of
engine oil
to
the
valve face and saat.
Measure
the
w
idth
of
the
each valve
face
.
SERVICE LIMIT:
1.6
mm
(0
.
06
In)
CAUTION
The valves cannot be ground.
If
the valve fact! is rough, worn
unevenly,
or
con
ta
cts the seat improperly, the valve
must
be
reo
placed.
6-8
(1)
VALVE
GUIDE
DRIVER
,
1

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Honda TRX70 Fourtrax 1986 Specifications

General IconGeneral
BrandHonda
ModelTRX70 Fourtrax 1986
CategoryOffroad Vehicle
LanguageEnglish

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