""
*
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'-='
•
Trouble
Main drive casing- over-
h
ea
ts
Front fork
knocking
Cause
3.
Key
bolt loosened
L
No
oil or
oil
of
inade-
quate grade
2.
Component parts worn
or broken
Symptoms and
fault
tracing
I
I
3 Too great axial play
of
the uni versal jotnt
l.
Check the presence and
quality
of
oil
I
2 Dismantle the main drive
and check it for condition
at
i maintenan
ce
shop
I
Running
Gear
L Play
of
steering
col
umn
in
radial bearings
2.
Play
of
tapered end
pie-
ces
of
fork legs
in
traverse
du
e to clamp nuts
g-etting-
loose
3.
Fastenin.:
of
tlie front
fender or headlamp
is
dis-
turbed
4. Bushings
of
the fork leg
tubes are excessive
ly
worn,
lower bushing disconnected or
dropped
L Brake the front wheel
and, holding the motorcycle
by
the handlebar, push it
backward and forward to
de-
termine whether there
is
a
play
in
radial bearings
2. Check for the p
la
y by
pushing the motorcycle
for-
ward and backward with the
front wheel braked
3.
Examine and ·check the
nuts for proper lightening
by
using a wrench
4.
Place the motorcycle
on
a support and raise the front
whee
l.
Too great a play,
re-
vealed when shifting the legs
up
and down, indicates that
the front fork
is
faulty
Continued
Remedy
3.
Tighten
up
the nut
of
key
bolt
I.
Acid
oil
or replace it
2.
Repair the main drive.
Replace
worn component parts
L Eliminate the play by
tightening
the bearings
2.
Eliminate the play by
screwi
ng
in
the nuts
3.
Eliminate
th
e fault by
tightening the nuts
4.
Repair the front fork.
Check the component parts
for
condition, rep lace
t
h~
bush_-
ings
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