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Operation; Maintenance - Sears Free Spirit 298.488531 Owner's Manual

1.0 h.p. bicycle assist motor

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h. Make sure no part of the motor
touches
the fender or
tire. Tignten
screws on the clamp
brackets
A & B.
i, Tighten
axle shaft
nut (6),
Connect
sub muffler
(7)
with
rubber
joint
(8) and attache
spring
clips. ([-7)
j. Install
throttle
lever
in convenient
position
on bicycle
handle
bar. (1-8)
STARTING
INSTRUCTIONS
1.
BEFORE
STARTING
The
motor
uses a fuel
mix of 25 0arts
regular gesoline
to
1 part
two-cycle
oil.
The
fuel
shouldbe
premixed
prior
to pouring
into
the fuel
tank
(12),
Itis
recom-
mended
that
a quality
two-cycle
oil
be used in the
fuel
mix.
Failure
to mix
oil wi_h
gasoline
will
result
in seizure
and severe damage
to the motor.
2.
." _ :,'NOTE:
STARTING
OPERATION
a. Before
starting,
push
knobbed
area (A)
of Primer
Pump
(20) several
times by finger,
until
Fuel gets to
• Carburetor.
b. Push down
the roller
engage lever.' ([-9)
c,
Push the throttle
lever away
from
you (closed
posi-
tion).
d. Pedal the bicycle
at proper
speed.
e. Pull the
roller
engage
lever
up to start
the motor.
When
the motor
is cold,
the throttle
lever must
be
placed
at fully
closed
position
for
the carburetor's
pump:up
action.
f.
Keep pedaling
until
the motor
starts,
NOTE:
For
the
first
run,
a little
longer
pedaling
would
be required
n order
to pump
gas
into the carburetor.
g, After
the motor
starts,
gradually
open
the throttle.
NOTE:
As the
motor
has been
equipped
with
the
choke-less
carburetor,;the
motor
will start
if'the
throttle
lever is-positioned
at idle.
For
starting
in cold
weather,
a little
longer
pedaling
is required_
,When extremely
cold
use special
choke
lever (17).
3. DRIVING
INSTRUCTIONS
a, The bike
speed
is controlled
by ithe throttle
lever.
On
the throttle
lever
there
is als0 a "red"
motor
stop
switch
(16)
which
wil!
turn
the. motor
off
in a_qy position.
b, When
climbing
a steep
hill
some
pedal-assistance
from
you
may
be necessary,
Use your
bike's lower
gears if
necessary.
Remember,
mopeds
also
need
assistance
on
steep
hills,
but
they
don't
have the
gears you probably
have on your
own bike.
c. When slowing
down,
reduce
speed with
the throttle
"
or disengage
the driving
roller
off the wheel.
In an
emergency
stop,
just use.your
brakes
hard, and the
motor
will
stall
itself,
Drive
carefully
at all times•
,d. To re-start
after
a sudden
stop,
just follow
regular
starting
procedures.
e, When
going
down
a long
slo;3e,
do not use,engine
brake.
Disengage
the driving
roller.
f. On
bad. roads,
or going
cross-country,
operate
the
motor
at- moderate
speeds,
foi" your
own
safety,
and the protection
of the mo,:or.
4
PRIMER
PUMP
/
./
/
1-8
I-9
4. MOTOR
SHUTDOWN
Returri'
throttle
lever
to idle and depress
"red"
mot,
stop switch
MAINTENANCE
AND
ADJUSTMENT
SPARK
PLUG
Always
use the recommended
spark
plug
(NGK
BM-6
or
the
equivalent)
and
occasionally
check
the plug g_
which
should
be 0.6mm
(0.023
_
0.025
in.).
Und_
normal
circumstances
the electrodes
should
be perfectl
dry and light
brown
in col or. If the electrodes
are covert
with
carbon
or oil,
the plug should
be cleaned;
either
solvent
or by sand blasting.
Be sure to remove
all sotver
or grit before reinstalling
the spark plug,
([-t0)
GOOD
0 m
WRONG
2
0,025 in
WRONG
SCRAPE 'OFF CARBON
TIRE
INFLATION
I--lO
DECARBONIZING
-"
When the exhaust
port:of
the cylinder
and exhaust
ope_
ing
of the muffler
or
piston
are found
carbonized
an
narrowed
after
10ng use, the
motor
tends
to give insu
ficient
power,
tt is very important
that. the exhaust
pc4
of the cylinder
and exhaust
port
of the muffler
are ctear
ed with
utmost
care.
This ,should
be done
at least aft(
every 50hour's
operation.

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