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4. LUBRICATION SYSTEM
>
SERVICE INFORMATION
TROUBLESHOOTING
LUBRICATION SYSTEM DIAGRAM
4-1
OIL PUMP REMOVAL/INSTALLATION
4-3
4-1
OIL PUMP DISASSEMBLY/ ASSEMBLY
4-4
4-2
|
SERVICE INFORMATION
fA
J4
WARNING
•
Used engine
oil
(or
transmission
oil In
two-strokes)
may
cause skin cancer if repeatedly left in
contact
with the skin for
prolonged periods. Although this is
unlikely unless
you
handle used oil
on a
daily basis, it is still advisable to thoroughly
wash
your hands
with soap and water as soon as
possible after handling used oil. KEEP OUT OF REACH OF CHILDREN.
•
The oil pump can be serviced with the engine installed in the frame.
•
Replace the oil pump
as
an assembly.
•
For
oil pressure check, refer
to
section 4
of the Common Service Manual; for the switch location, see page 17-2 of this
manual.
•
For oil pressure
warning light inspection,
refer
to
section 25 of the
Common Service
Manual.
•
When removing and installing the oil pump
use
care
not to
allow dust or dirt
to enter
the engine.
•
After the oil
pump hoa been
installed,
check that there are no
Oil leaks and that oil pressure
is
correct.
TROUBLESHOOTING
Oil
level low
•
Oil
consumption
•
External oil
leaks
•
Worn
piston ring or incorrect piston ring installation
•
Worn
valve
guide
or
seal
No oil pressure
• Oil level
too
low
• Oil
pump
drive chain or oil pump drive/driven sprocket
•
Oil
pump
damaged (pump
shaft)
• Internal
oil leaks
Oil
contamination
(White
appoaronce)
•
From coolant mixing with oil
—
faulty
water
pump
mechanical
seal
—
faulty cylinder
head gasket
Oil pressure
warning
light does
not
work well
•
Refer
to
section 25 of the
Common Service Manual
High oil
pressure
• Pressure
relief valve stuck closed
•
Plugged oil filler, gallery
or
metering
orifice
Incorrect oil being used
Low oil
pressure
•
Pressure
relief
valve stuck open
•
Oil pump worn or damaged
*
Internal oil leaks
•
Incorrect oil being
used
•
Low oil level
I
A 1
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