30
Fig. 3.
73
Oil filter
OIL
FILTER
ROTOR
Oil
FILTER
CAP
3.
ENGINE
(31
Clearance between
the
pump
and plunger.
(Play
by
wear!
(41
Steel ball
(broken
or seized.I
(51
Mesh
of
pump
filter
screen
(blocked).
(61
Oil
filter or oil
passage
(blocked).
(cl Inspection
should
be
performed
with
sufficient
attention
because
wrong lubrication decreases per-
formance
of
the
engine, and
causes
seizure, noise
and other trouble.
B.
Operation
of
oil filter
In
CB
125
and 160, trouble concerning
the
engine
oil
is
prevented by double filtering, wire
mesh
and
filter.
(Refer
to
Fig. 3. 73)
Before being
sucked
up
by
the
pump,
oil
is
filtered
by
the
filter
screen
and
oil impurities are eliminated
by separation filtering
using
centrifugal force.
This
oil filter at
the
same
time collects oil impuri-
ties at
the
ribs
of
the
oil filter cap by gravity, gives
collective
flow
to
oil, and
supplies
clean oil
to
each
unit.
I.
Disassembly
For
the
operation conducted
when
the
crankcase
cover
·is
removed, refer
to
Section 3. 5.
l.
The
following section describes
the
operation conducted
when
the
crankcase cover
is
not removed.
l.
Remove
the oil filter cover.
2. By
using
plier, clip
the
rib
of
the
oil filter cap
and pull out
in
parallel. (Refer
to
Fig. 3. 75)
3.
By
using
a screw driver, bend the 16
mm
lock
washer from
the
groove
of
the
lock
nut.
4.
Pull
out the lock
nut
by
-usifJ9
the
l 6
mm
lock
Fig. 3. 74 Oil filter ports
nut
tool and remove
the
lock washer from
the
crankshaft.
5. Next, pull out
the
oil filter rotor.
fig. 3.
75
Removing
Iha
oil
,filler cop
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