TM
9-879
26
MOTORCYCLE, SOLO
(HARLEY- DAVIDSON MODEL
WLA)
1000
excess smoke in exhaust. CAUTION:
//
red light fails
to
Mile
MaintAnance
Mile
^o
out
after
engine
has
been started, stop engine at
once.
Refer
to paragraph 30
for
possible causes.
Instruments. Observe instruments for proper
or
normal
indication and functioning
of
system
to
which
they apply.
Speedometer and Odometer. Speedometer must
mdicate
vehicie speed without excessive noise or fluctuation; odom-
eter
must record trip
and
total
miieage.
Oil Pressure Signal Light, Note whether oil signal light
(red
light)
indicates
correctly;
After
ignition sw-itch
is
turned
on,
and
before
starting engine,
the red
light should
go
on, indicating no oil
circulation. When
engine is started,
light should go out.
Generator Signal Light. With switch
on.
and before
starting engine, the green signal
light
should
go
on, indi-
cating
discharge
of battery.
After
starting engine,
increase
engine speed
to a
medium fast
idle;
green signal
light
should
then
go
out. indicating generator is charging bat-
tery.
CAUTION: Continue observation of
signal
lights dur-
ing
road
test,
and if lights should fail to
operate
as
indi-
cated
above,
stop engine,
investigate cause,
and
correct or
report
trouble to proper authority.
Brake
Operation. Test foot brake for safe stop within
reasonable distance. Note squeaks or chatter that rmg"ht
indicate wet,
oily,
dirty, or loose lining, damaged drum, or
improper adjustment.
Apply hand-operated
front
brake
only in
conjunction
with
rear
brake and
observe whether it
operates
effectively in
assisting to make a quicker stop.
Clutch Operation. Before
moving
vehicie. make
sure
that
clutch pedal has
satisfactory free tiave! before
it
begins
to
disengage
clutch;,
that it
releases clutch completely before
reaching end of travel;
and
that
there are
no unusual noises
in
clutch-release
mechanism. When starting vehicle, ob-
serve whether clutch grabs, chatters,
or slips
when fully
engaged.
Gearshift.
Shift
through entire
gear
range
of
transmission
and
observe'
whether
mechanism
operates freely
without
clashing
or jumping
out of
gear.
Note
any
unusual
vibra-
tion that might indicate loose engine or transmission
mountings.
Unusual fVoises. During
entire road test, listen for unusual
noises that
might
indicate worn,
loose,
damaged, or insuffi-
ciently
lubricated parts in the entire motorcycle, particu-
larly
in
engine and accessories,
or in
the power train.
44
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