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COOLING SYSTEM
SERVICE INFORMATION
GENERAL
AWARNING
Removing the radiator
cap while
the engine
is
hot
can allow
the
coolant
to spray
out, seriously scalding you.
Always let the
engine and radiator cool
down before
removing the
radiator
cap.
NOTICE
Using coolam
with
silicate corrosion inhibitors may
cause
premature wear of water pump
seals
or
blockage
of radiator
passage. Using tap water may cause engine damage.
•
Add coolant
to
the system at
the reserve tank.
Do not
remo
.... e
the
radiator cap except to refill or
drain
the system.
•
All cooling
system service can
be done
with
the
engine installed in
the
frame.
•
Avoid spilling coolant on painted surfaces.
•
After servicing
the
system, check
for
leaks with
a
cooling system tesler.
•
For
engine
temperature indicator and
cooling
fan
motor inspection,
see lights/Meters/Switches section
(page 24-9).
SPECIFICATIONS
ITEM
-C
= oO
o
"
l a
C nCtCcC aC pcac
cc;ty
~-----'
Radiator and engine
Reserve tank
Radiator
cap relief
press~u",~.~~
_ _ _
~~
_ _
_
Thermostat
Begin to
open
~I open
Valve
lift
Recommended
antifreeze
I
SPECIACATIONS
3.3
liters
(3.5
US qt, 2.9
Imp
qt)
0.6 liter (0.6 US qt, 0.51mp qt)
93
-
123 kPa
(0.95
- 1.25
kgf/cm""),
14
~-..:
'
;8fP"'S,,;)
_ _ _
_
80
84"C (176
- 183°F)
95°C
(203°F)
8
mm
(0.3 in)
minimum
at
95°C (203°F)
Pro
Honda HP Coolant or
an equivalent
high quality
ethylene
glycol antifreeze
containing
silicate-f
ree
corrosion
"
!I@<~==========_
.=====t==
; n
= h
=
;=b=;t=O='S====~rn,
Standard coolant concentration
_
1:1 mixture
with distilled water
TORQUE VALUE
Coolant
bleed bolt
(at thermostat cover)
12
N·m
(1.2
kgf·m, 9Ibf·ft)
TROUBLESHOOTING
Engine
t emperature
too
h igh
•
Thermostat
stuck closed
•
Faulty radiator cap
•
Insufficient coolant
•
Passage blocked in
radiator,
hoses or water
jacket
•
Air in system
•
Faulty
cooling fan motor
•
Faulty
water pump
Coolant
leaks
• Faulty water pump mechani
cal
seal
•
Deteriorated
O-r
ings
•
Faulty radiator
cap
•
Damaged
or deteriorated
cylinder head
gasket
•
Loose hose
connection or clamp
•
Damaged or deteriorated hoses
7-3
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Table of Contents
Troubleshooting
