Service manual
~t'·':4Mlal
SERVICE
AND
REPAIR
I~
carburetor-to-tank
recirculating
gas
line
discon-
n
ected.
When
adjusting
the
carburetor,
best
results
will
be
obtained
if
the
adjustments
are
made
on a
warm
engine.
During
carburetor
adjustments,
DO
NOT
FORCE
ADJUSTMENT SCREWS INTO SEATS.
NOTE: To
gain
access
to
the
carburetor
adjust-
ments,
remove
the
console
door
assembly
by
turning
the
door
fastener
cOWlterclockwise
to
release.
• TO ADJUST CARBURETOR -
Close
the
high-
speed
jet
shown
in
figure
8
(DO
NOT FORCE).
Then
open
as
shown
in
the
carburetor
adjustment
chart,
figUre 9.
SKI-DADDLER
MODEL
CARBURETOR
MK
-IV
Tillotson
HD
39A
(AMF No. 37258)
MK-V
Tillotson
HD
39A
(AMF No. 37258)
•
Disconnect
the
battery-to-solenoid
positive
(+)
cable
at
the
battery
to
prevent
sparking
and
possible
shorting.
•
Disconnect
the
sOlenoid-to-starting
motor
cable
at
the
starting
motor.
•
Back
off
the
upper
nut
securing
the
battery-to-
starting
motor
negative
(-) groWld
cable.
•
Back
off
the
two
nuts
securing
the
starting
motor
assembly
to
the
engine.
Remove
the
groWld
wire
from
the
engine
wiring
harness
and
the
battery-to-
s
tarting
motor
groWld
wire
attached
to
the
upper
stud
and
remove
the
starting
motor
assembly.
•
Reassembly
is
the
reverse
of
removal.
CARBURETOR
ADJUSTMENT
LOW-SPEED
JET
HIGH
-SPEED JET
(TURNS)
(TURNS)
1-1/8
+
1/8
Open
-
0
3/4
:
~/8
Open
1-1/8
+
1/8
Open
1
+
1/8
Op
-
0
-
o
en
Figure 9
•
Turn
the
low
speed
jet
(idle-mixture
screw)
shown
in
figure10
'
all
the
way
in
(DO NOT FORCE),
then
open
as
shown
in
figure
9
for
the
particular
model
sled.
This
adjustment
controls
the
mixture
at
idling
speeds.
A
lean
idle
mixture
will
result
in
poor
acceleration.
Keep
the
idle
speed
slower
than
the
clutch
engaging
speed
by
adjusting
the
idle-speed
screw.
NOTE: Do
not
use
the
low-speed
jet
to
adjust
for
idle
speed.
NOTE:
Figure
10
shows
a
throttle~wire
adjustment
screw.
If
the
throttle
plate
fails
to
open
completely
when
the
throttle
control
lever
is
depressed,
loosen
the
throttle-wire
adjustment
screw
and
readju
st
the
wire
as
required
to
open
the
throttle.
To
Remove
Starting Motor
Ass
emb
ly- Mark V Only
•
Remove
the
hood and
headlight
assembly.
Refer
to
Hood RemOVal and
Installation.
Always
disconnect
spark
plug
wire
before
working
on
the
engine
or
drive
elements.
Figure
JO
JO
)
)
)