
1
Notice
This
manual
mobile is assembled correctly and given
presale preparation. Your
deserves a
formance
that
end.
selling dealer assumes sole
The
any
unauthorized
your
to
specifying Factory Directed
Claims)
mobile
to Dealers
is provided to ensure
customer
safe, reliable
of the steps listed here is essential to
modifications
Service
which
is
ready for sale.
Binder
must
be
snowmobile,
for
any Service
Modifications
performed
that
the
expects and
responsibility
prior
to sale. Refer
before
the
and per-
snow-
proper
for
Bulletins
(Special
snow-
SAFETY
THIS
SPECIAL
DURES WHICH,
LOWED, COULD RESULT
JURY,
THIS CAUTION SYMBOL IDENTIFIES SPECIAL INSTRUCTIONS
WHICH,
COULD RESULT
DESTRUCTION
Whenever
heed
ing and
WARNING
OR
IF
you see the symbols
their
instructions!
maintenance
INSTRUCTIONS
LOSS
AWARENESS
I
WARNING
SYMBOL
IF
NOT CORRECTLY FOL-
OF
NOT STRICTLY OBSERVED,
IN
OF
EQUIPMENT.
Always
practices.
I
IN
LIFE
.
OR
DAMAGE
IDENTIFIES
OR
PERSONAL IN-
PROCEDURES
shown
follow
PROCE-
TO,
OR
above ,
safe operat -
t
tr

· .
Assembly
Uncrate
Handlebar
Suspen
Skis ........
Headlight ................
Windshield
Tool Kit /
Safety
Clutch
Clutch
Drive
Chaincase
Brake
Circuit
Enrichen
Throttle
Ca
Ig
Spark
L
Fuel
Headlight
Ta
Fan Belt
Track Adju
Test Ride
Sp
ecific
Engine
Carburet
Fuel ...... ....................
Drive Syst
Electrical S
Torque
& Pr
..............
sion
Owner
Labels ...........
Alignment
Center
Chain
..
.........................
Board ......... .......... .....
er
' Cable ....................... ................ .........
rbu
retor
nition
ubrication
Timing
PI
ugs .... ....................
Mix ...................... .....
Adjus
il/ Brake
Tension
stments
(Operational
ations
...
...
or
em ......... ........ ........ ........ ......... ........
Chart ........
Table
eparation .. .................. ......... ......... .......... .......
......
..................... ...
........ .
. . ..............................
Distance
...........................
...................
Control..
Adjustments
tment ... .....
Light
....... .......... .......
.............................
Settings
ystem
...
.....................
..
........ ........
..
.................................................................... , ........
..
. .......................
Manual
...............
Check ....... ........
..
.......... .......................................................................................... ..............
.......... ..
.................
.....
.................................................... ....................................
......................
...
.... ..................
.. ..
.. .....
...
...
.. ..
........................
....................................................
................
..... .......
............................................................
Checks) ........................................................................................
..................................................
..
.........
....
...
...... .....................................
...
...........................
............................................................... .............................
...................................................... .... ... ................ .... .....
.. ..
..
..................
.. .........
.. ..
....
.................. ..... ............. ......... ................ ... ..
of
Conte
....... ........ .................. .......
....................................................................
....... . .... .............. ..
.. .. .. ..
.......................................... .......
............................................................................ 5
..............................................................................
.................. .......... .................... .........
............
........................................ ...............................................
.......................................
....
.......................
.............
.. ..
.......... .....
.................
..
..... ........ ...... ..................
..
.......... ....
.............. ..........................
............
.. .. ......
.............. .......
...
.......... ...................... .................................... 9
..
.....
.......................... ........................
.. ..
............ ........................ ......................................
..
............. ....
....
......................................................... ..... ......
.. ......
..... ................ ................ ..... . ..............
..
................... . ..........................
nts
....
.....
.. ............. . ........ ......... ........... 2
...... ......... ........
.. .....
.....
....
.............................................. 2
.............................. 3
..
.......
...................................
....
...............................
..........
.................
...............................
.. ... ..
....... ........
...................... .... ................................. 9
....
...........................
... .......... .. ..
..
............ ............
.....
...
..........
............
....
....
.....................
........................ 7
.. ..
.................. .................... 8
... .......... ....... ........... 8
.. .........
.. ....... ..
......
................... ...........
.. ..
...... ........................
.... .. ...............................
....... ............. ......
...................
..
......... ........... 2
.......
...... ... 2
.. ..
................ 4
.......
.....
........
...
..........
........ 6
....
................... 6
...
....... 7
....
.............
..
...................
.....
...
..........
...
........
.......
....
..............
..
......... ........ 1 6
. ..........
...
..
5
...
5
..
6
10
10
11
12
.
12
13
15
13
..
15
16
16
16
16
16
.
16
TABLE OF
CONTENTS
1

1.
Position
front
arm
hole in
justing
measured
adjusting
the
suspension
. Put
the rear
the
nuts
from
bolt.
snowmobile
springs
suspension
suspension
to
1-1 / 2
the
washer
on its side and place
over
the
suspension
arm
inches
face
springs
and
tighten
(38 .1
to
the
through
mm)
end
the
when
of
the
the
ad-
the
Always
springs
equally.
breakage
slide
wear
adjust
on
each
Unequal
or
excessive
strips. See
the
side
tension
preload
of
the
wear
Figure
(tension)
suspension
can
cause
to
one
side
5.
of
the
arm
spring
of
the
Check
1. Place a long board (or
the
ski
against
clearance
ski so
the
the
that
front
alignment
edge
between
the
clearance
and rear
of
of
and
the
the
the
handlebar
suitable
track
board and ski.
measured
ski. See
straight
and
is
Figure
centering
measure
Position
the
same
7.
6
.
edge)
the
the
at
2.
Tighten
on
The
suspension
for average
the
suspension
by
following
Manual.
the
both
sides to 7/ 8
driver
front
suspension
spring
weight. The
adjustment,
the
procedure
inch
preload
to
outlined
(22.2
dimensions
operator
satisfy
Skis
With
the
snowmobile
stall
the
skis
with
side.
Torque
4.5 kg-m).
right
position.
the
then
See
still
the
nuts
return
Figure
positioned
bolt
28
to
the
6.
heads
32
snowmobile
spring
foot
adjusting
mm).
may
rider
in
on its side, in-
towards
pounds
given
change
comfort,
the
the
to
nut
are
Owner
out-
(3.9
to
its
up-
1. Tie Rod End
Straight
2.
3.
Measure
ASSEMBLY & PREPARATION
Edge
Against
Clearance
Track
Here
7
3

NOTE:
edge
2.
Be
sure
while turning the tie
Check
required
end
Figure 7.
If
inch
on
the
steering
the
, loosen
adjusting
the
dimension
(32 mm), reposition
the
ski
dimension
linkage failure. S
the
ski
remains
handlebar
the
bolt
to
I
WARNING'
spindle
and
rod
for
centering.
lock
nuts
center
shown
as
necessary
prevent
para lIel
to
the
straight
end adjusting bolt.
If
centering
and
turn
the
tie
the
handlebar.
exceeds
the
steering
to
1-1/ 4
arm
reduce
possible
ee
Figure
8.
is
rod
See
9
Headlight
1.
Tie Rod End
2.
Locknuts
3.
1-114 Inch (32
Adjusting
mm)
Bolt
Maximum
Secure
flat
washers
headlight
clamps
be
10
, and
pinched
.
the
wire
headlight
, and
lockwashers
harness
position
when
the
to
the
the
hood
through
wire
harness
hood
is closed . See
with
the
provided. Route
the
retaining
so
it
will
Figure
bolts,
the
not
1
3.
To
align
the
other
ski,
move
both
the
center
ing
bolt (located
distance
front
4. Torque
steeri ng
recommended
4
ASSEMBLY
linkage
from
and
all
system
ofthe
snowmobi
play.
Turn
below
rear
the
the
ski to ski
of
the
skis. See Figure 9.
hardware
. Ref
er
values.
& PREPARATION
le
the
tie
muffler)
when
(nuts
to
the
to
remove
rod
, bolts, etc.)
torque
ski
tips
the
end
adjusting
to
obtain
measured
chart
towards
steer-
equal
at
the
in
the
for
the
1.
2.
3.
Adj
Retaining
Headlight
Llsti ng
Clamps
Connector
Screws

NOTE:
cable
If a
loos en
tain the
Engine
free movement
djustment
the
locknut
corre
ct
flooding
of
the
and
clearance.
Throttle Cable
may
is less
than
enrichener
turn
the
occur
1/ 16
cable is
adjusting
if
the
enrichener
inch (1.5 mm).
required
screwto
ob-
Idle
The idle speed
,
open
to
adjust
Figure 22.
Make
lines
Screw
from
the
specifications
the
sure
are
secure
screw
coil
bound,
engine
the
fuel
init
(screw
page. Use a
idle speed
pump
and
free
ial
adjustment
turned
to
2,000
pulse li ne
of
kinks
is 3
in
tight), refer
tachometer
R.P.M . See
and
all the
or
sharp
turns
and
fuel
bends.
If
a gap
handlebar
full
on
the
cable
With
the
hold
the
that
check
1. The
opens
2.
The
gnp
If
adjustment
locknut,
cable as
22
ure
.
throttle
throttle
failure
air
silencer
throttle
:
throttle
fully.
throttle
.
and
turn
required,
[:~~~!!~~]
between
grip
, exc
.
lev
slide
lever is
of
the
the' adjusting
the
is
present
essive
cable ends
er
and
remov
at
the
ins
tight
throttle
tighten
stress
ed
ide
throttle
when the
which
from
full
the
against
is
screw
the
lev
lever
may
be
could
the
throttle
carburetor
the
required, loosen
on
locknut.
er
and
is
at
placed
cause
carburetor
position
handlebar
the
throttle
See Fig-
and
bore
the
Ignition Timing
1. Remove
2.
,
3.
both
cator
in
the
side
of
the
rotate
and
Disconnect
the
Connect
continuity
wire
to a
the
adjust
ignition
connector.
clean
Check
spark pl ugs
spark
plug hole on
engine. Manually
engine
the
the
one
tester
engine
dial
' red and
coil
test
to
Connect
to
Top Dead
indicator
primary
lead
the
ground.
and
install a dial
the
turn
Center (T.D.C.)
to
zero.
white
w i
of a timing
magneto
the
wires
ndings.
end
other
See Fi
right
the
tester
gure
hand
clutch
going
buzzer
of
the
23 .
indi-
to
to
or
red
lead
1.
Locknut
2. Adj usti ng
Screw
3.
4. Idle
Carburetor Adjustments
Air
Screw
The
carburetor
opened
cations
1.5
page
air
turns
and
screw
off
its
see
is
properly
seat. Refer
Figure 22.
Air
adjusted
Screw
Screw
to
the
when
specifi-
4.
Very
rection
soon as
dims
check
timing
inch
5.
Repeat
cylinder
spark plug
ing
magneto
1.
2.
slowly, rotate
of
rotation
the
buzzer
slightly
the
(0.145
the
reading
is
correct,
the
by
timing
end
, stop
mm)
timing
installing
hole
of
Continuity
Dial
the engine
on
the
before
procedure
on
buzzer
the
Light
Indicator
and
observe
changes
rotating
the
indicator
T.D.
the
the
left
or
continuity
white
dial
C.
dial
side,
wire
ASSEMBLY & PREPARATION
in
its
the
tone
or
the
engine
indicator.
will
be
See
for
the
indicator
and
connector.
normal
tester. As
the
light
and
If
at
0.006
Figure
light
23 .
left
hand
in
connect-
to
di-
the
the
the
9

Ignition Timing
1. If
the
ignition
move
the
move
the
muffler
the
muffler
up to rest
manual
Adjustment
timing
requires
mounting
on
top
starter
and
adjustment
nuts, and
of
the
engine
fan
pulley
re-
swing
. Re-
.
NOTE:
allows
hand
der
side of
toler
mechanism
cutout
The
the
cylinder.
can be
the
ance, a
in
cutout
adjustment
The
adjusted
flywheel.
weak
levers
the
flywheel.
on
the
of
points
through
If
spark
are
accessible
See
left
side
the
for
the
the
the
may
result.
Figure 24.
of
points
right
cutout
points
through
the
for
hand
on
are
The
flywheel
the
left
cylin-
the
right
out
of
advance
either
1.
Magneto
2. Breaker Point
5. Re
6.
-check
change
Install the dial ind i
plug
continuity
wir
e.
indicator
and
after
hole
Adjust
the
the
and
light
reads 0.
advance
Spark Plugs
Base
timing
tightening
cator
connect
to
the
the
points
138
levers
Mounting
Mounting
to
be
the
into
the
opposite
to
break
inch
are
Screws
Screw
sure
screws
the
opposite
timing
when
(3.5
at
full
it
.
ign
mm)
advance
did
not
spark
buzzer
ition coil
the
dial
B.T.O.C.
.
or
Adjust
2.
mm).
neto
3.
Turn
tation
(3.5
mm)
full
advance, (levers
when
the
flywheel),
in
this
assembly.
4. Rotate
poi
nts
dims
mounting
1.
2.
one
When
base
the
engine
until
B.T.O.C .
rotated
position
the
break
slightly)
screws.
Cutout
Advance
set
of
properly
mounting
in
the
dial
towards
and
to
magneto
(buzzer
, and
in
Flywheel
Lever
points
adjusted,
screws.
the
indicator
Move
against
the
hold
the
adjust
base
changes
tighten
See
Figure
to
normal
the
advance
outside
flywheel
the
assembly
the
0.014
loosen
See
direction
is
at
the
magneto
tone
magneto
25.
inch
the
Figure
of
0.138
levers to
stop
diameter
and
levers
until
or
the
(0.
35
mag-
25.
ro-
inch
pins
of
base
the
light
base
Adjust the spark plug gap to 0.
to 0.6 mm). See
Figure 26
1. Gap
2. W a
.
sher
020to 0.024
inch
(0.5
26
10
ASSEMBLY & PREPARATION

Before
is
Install
pounds
installing
the
installed and the seat on
the spark plug and torque
(2 .5 to 2.8 kg-m).
lubrication
If
requir
ed,
lubricate
ing
column
pressure) greas
with a low
e.
See Figures
spark plugs, be sure
the
the
suspension
temperature
cylinder
27
head is clean.
it
to
18
arms
E.P. (extreme
and
28
the
washer
to
20
and steer-
.
foot
Excessive
bearing
of
the
damage
With
a hand operated grease gun, apply
of grease into the
may
end
.
grease
cause
cap
resulting
fitting
applied
the
seal
on
See Figure 29.
to
the
front
to
be
pushed
in
possible
bearing
three
the
axle bearing end cap.
axle
out
pumps
1.
Grease Fitting
2. Axle Bearing End Cap
3.
Seal
29
ASSEMBLY & PREPARATION
11

move a spacer
reduce
crease
the
the
from
between
belt
deflection,
belt
deflection. Re-install
or
the
pulley
add a
the
Test Ride
(Operational Checks)
halves
spacer
fan
to
to
in-
guard.
1.
Idler
2. Edge
3.
Dimension
When
on
Fan
track
alignment
both
rear axle
Belt Tension
Remove
a
10
deflection
See Figure 37.
the
pound
fan
(5 kg)
should
Wheel
of
Track
adjusting
guard
force
be 5/
Equal
On
is correct,
bolts
to
test
applied
32
inch
Both Si
tighten
.
fan
belt
to
des
the
tension. With
the
belt,
(3.5
to
4.5 mm).
lock
the
nut
belt
Test ride
following:
•
CONTROL
The
throttle
without
ing
position
•
STEERING
Steering
with
lock
linkage.
•
ENGINE
Recoil
starts
and re
•
SUSPENSION
Adjusted
smoothly.
•
EMERGENCY
the
snowmobile
CABLES
and
binding
.
should
no excess ive
starter
promptly.
turn.
for
average
brake
and
be
smooth
works
Test
STOP
and
controls
return
and
looseness
proper
for
good thr
driver
weight
SWITCH
check
freely
free
ly
and
must
in
from
in
the ste
the
ottle
and
for
operate
any
steer-
lock-to
ering
engine
response
operates
the
-
. I
If
adjustment
move
the
1. 5/
of
outer
32
4.5
the
pulley
Inch (3.5
mm)
fan
belt
from
to
Deflection
tension
the
fan
is
required,
shaft
and
rere-
Check
•
CLUTCHES
Test
R.P
operation
for
smooth
.M.
(340-6,500/400-6,800)
• BRAKES
When
quate
leased,
During
(rattles, squeaks,
and
When
thoroughly
or
oil leaks.
TEST
activated,
smooth
there
the
test
correction
the
test
inspect
RIDE
.
ride is
in
all
switch
operation
the
brakes
stopp ing
should
ride, listen
etc
be
.)
that
completed
the
engine
should
of
the
no
brake drag.
for
may
compartment
(OPERATIONAL
positions
and
correct
at
result
track;
any
unusual
warrant
, open
CHECKS)
.
engine
full
throttle
when
inspection
the
hood
for
in
ade -
re-
noises
and
fuel
15
.

SPECIFICATIONS
ENGINE
Type ..............
Displa cemen t ..............
Bore X Stroke
Number of
Ignition System ....
Ignition Timing .................................................................
Spark Plug ......
Spark Plug Gap ..................................................................
Carburetor Make and Model ......................................................................... .......
Engine R.P.M. at Full Trottle .
CARBURETOR
Air
Screw .....
Idle Scr e
Cylinders
w......
...
....
...
.....................
...
.................... .................................
................
...
...........
.. ..
.. ..
...
................................................................. ................................................
...... ................
..............
........................................ (340)
................
...
.....................................
........
...
......................
(440) 2.
.. ..
..........
....
.......................................................
0.
138
inch B.T.D.C. (3.5 mm) Full advance position
................................................................
.. ..
.......
.. ..
................. .... (340)
2.362
0.006
0.
.............................. (340)
677
inch B.T.D.
020
to 0.
x 2.
x 2.
SETTINGS
.......... ....
............
...............................................................................
....
....
............
... 3 turns
open
from
coil
bound
FUEL
........................ (340)
(440)
20.7
C.1.
(339
(440)
26.6 C.1.
362
inches
362
inches
C.
.. ..
024
inch (0.5 to 0.6 mm)
.. ..
...
.. ..
. 1.5
initial
(60 x
(68 x
.. ..
.................... 2
(0.
145
.....
..
......
Mikuni
(440)
turns
(2,
000
mm) Static
NGK BR-8ES
6,500
6,800
R.P.M. final)
340
TA
440
TA
.3 cc)
(436
cc)
60
mm)
60
mm)
Magneto
VM34
R.P.M.
R.P.M.
off
seat
-
Gasoline ....
Oil .......
Gasoline/ Oil Ratio ...................................
DRIVE
Drive Belt
Drive Belt Outside
Clutch Offset .....
Clutch Center Distance .......... .............
ELECTRICAL
Type ................................................................................................ ............
Headlight .....
Tail/ Brake Light ...................
Instrument
TOOL SIZE
10
mm
7/ 16 inch
.............. ...................... Regular leaded
...
......
.. ..
..............
....
..................................................................... .
SYSTEM
Width
...............
Circumference
...
................................
...
.................................................
........................
SYSTEM
............................
Lights
...........
.. ..
..............................................
.. ..
................................................
.....................
.........
TORQUE
BOLT
DIAMETER
6
mm
1/ 4
(minimum
............................. (25 to
to 6.
.......
.........................
...............
...............
....
................................
....
............. .......
....
....
..............................
CHART
pump
25
................. 10.3
........
...
............
posted
...
..... B.
1) 1 quart
gallons
............. 1-1 / 4
.. .. 43-1/2 inches (1,
..........................
(23.6
.. 0.454
......
.. ..
............... G.E. No.
...
..........
...
RECOMMENDED
5
TO 6 ft
7
TO 9 ft
Ibs (0.7 TO 0.8 kg-m)
Ibs (1.0 TO 1.2 kg-m)
octane
IA
12
............. G.E. No.
certified
(0.
94
liters)
inches
inches
inches
Volts -
Stanley
number
liters)
of
gasoline
(31
105
(11
(262 mm)
120
TORQUE
89)
T.C.W.
of
oil
.7 mm)
mm)
.5 mm)
Watts
A5988
1035
57
112 inch
16
inch
9/
5/ 8 &
16
SPECIFICATIONS
11/16
inch
5/
3/ 8
7/
16
16
14
28
47
TO
TO
TO
18
ft
Ibs (2.0 TO 2.5 kg-m)
32
ft
Ibs (3.9
52
ft
Ibs (6.5 TO 7.2 kg-m)
TO
4.5 kg-m)