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LUBRICATION SYSTEM
SERVICE INFORMATION
GENERAL
ACAUTION
Used engine oil may cause
skin
cancer
if
repeatedly
left
in
contact wi th
Ihe
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.
This
section covers service of
the
oil
pump
.
The oil pump can be serviced with
the
engine installed in the
frame
.
The service procedures
in
this section
must be
performed
with
the engine oil drained
.
When removing and instaUing
the
oil
pump, use care not to allow dust or
dirt to
enter the
engine.
If any portion of the oil pump is wom beyond the specified service limits, replace the oil pump as an
assembly.
After the oil pump has been
installed,
check thai there are no oil
leaks.
SPECIFICATIONS
pump
TORQUE VALUE
ITEM
Oil pump cover screw
TROUBLESHOOTING
Eng ine
oil
level
too
low
011 consumption
External oil leak
Worn piston rings (page 9-6)
Improperly installed piston rings (page 94)
Worn valve guide or stem
seal
(page 8-21)
Worn cylinder (page 9·5)
Oil
con
t
amination
Worn piston rings (page 9-6)
Improperly installed piston rings (page
94)
Worn valve guide or stem seal (page 8-21)
Oil not changed frequently enough
Clogged oil strainer screen (page 3·11)
a'TY
THREAD
TORQUE
REMARKS
DIA.
(mm)
N'm
(kgf'm, IbHt)
3
5
5
(0.5. 3.7)
7-3
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Troubleshooting
