BOMBARDIER ski-doo elan 1973 User manual

~----- ............ -
"Trademark Bombardier Limited

In 1957 and 1958, tests began on
what is considered the forerunner of the
Ski-Doo'. We experimented with many
different frames and enqines-i-in search
of a light machine for one or two pas-
sengers. By the fall of '58. the first pro-
totype was ready. Initial tests made it
obvious the machine could hold its own
in the recreation
market Production be-
gan one year later and 225 machines
were sold at about $1 ,000 each.
Like
it's predecessors the '73 Ski-Doo
snowmobile is a combination of light-
ness, economy, strength and depend-
ability And yet, with all this. it has one
other additional feature
... personality.
Each model in each senes has a com-
pleXity of characteristics that distin-
guishes itself as part of a bold breed
.. . the Ski·Coo snowmobiles,
At Bombardier. we fully realize that the
purchase of a snowmobile is a very im-
portant decision. For this reason. we
have ensured that each Ski-Doo snow-
mobile is backed up by an international
Ski-Doo Distributor and Dealer Network
whose factory trained personnel are
equipped to give you prompt and ef-
ficient service wherever you are in Snow
Country.
Furthermore, each dealer is prepared to
serve you with information, parts and
accessones Feel free to contact him
At this time we would like to thank you
for your patronage and welcome you to
Winter. Enjoy yourself but remember:
Safety depends on you. the driver. the
condition of your vehicle and nature of
the terrain.
All of the information, illustrations and
component! system descriptions con-
tained in this manual are correct at the
time of publication. However. Bomb-
ardier Limited reserves the right to
make changes in design and specifica-
tions.
and/ or to make additions to or
improvements in its products without
imposing any obligations upon itself to
install them on its products previously
manufactured.
This manual has been published by the
Technical Information Centre, Bomb·
ardier Limited. 8600 Decarie Blvd.
Montreal 307. Quebec. Canada
'Trademark Bombardier Limited

Skandlc
Carry-Boose
Bombardier
'The following are trade marks of Bomb-
ardier Limited.
Ski-Doo Valmont
Ski-Boose
T'NT
Nordic Elan
Alpine Blizzard
PATENTS and DESIGNS
This vehicle is covered by one or more of the Iol-
lOWing patents and desiqn registrations.
Canadian Patents
605.31 7 710.592
724,395 - 853,505
United States Patents 2.899242 ·3066546 -
3,536.153
Canadian Desiqns 01/217 F 128172 -D!! 249
F/31317 and '316 ·032,479·032,535-
032,655 to '657 . 032,661 to 669
33,982 -33,933 - 34,006 <mel '007
United States Desiqn Patents
Des. 221
,332 to '334 -
Des. 221,637 and '638
Des. 222,244 to '247
Others Swedish Design No. 6038 -
SWISS Desiqn No 104,756-
Norwegian Design No. 51 ,444
WHAT YOU SHOULD KNOW
BEfORE fiRST RIDE 2
SERVICE AREAS 3
DO'S 4
DONT'S 5
GOOD DRIVING TECHNIQUE
6,1
CONTROlS/INSTRUMENTS 8,9
fUEL MIXING 10,11
BREAK-IN PERiOD,
PRE-START CHECK
12, 13
iN CASE Of EMERGENCY 13
STARTiNG PROCEDURE 14
lUBRiCATiON 15, 16, 11
MAINTENANCE 18, 19, 20,21,22
EMERGENCY GUIDE.. 23
TROUBLE SHOOTING 24, 25
Off SEASON STORAGE 26, 21,28
PRE SEASON PREPARATION.......29
SPECifiCATIONS 30, 31
WARRANTY 32

2
To many of us, Winter is a revealing ex-
perience. Weather, atmospheric condi-
tions, snow surfaces, individual driving
habits and vehicle usage have consider-
able effects We ask
that you familiarize
yourself with them
... read the owner's
manual; it has been prepared to ac-
quaint you with the operation of your ve-
hicle, its safety aspects and systems as
well as preventative maintenance
procedures that must be periodically
upheld. . all aimed toward a more en-
joyable
Winter season.
Observe the following precautions:
• Throttle mechanism should be
checked for free movement before
starting engine.
• Engine should be running only
when
pulley guard is secured in place.
•Never run engine without drive belt
installed. Running an unloaded engine
can prove to be dangerous.
•Never run the engine at high RP.M.
when the track of the vehicle is raised
off the ground
• It can be dangerous to run engine
With the cab open.
• Prolonged sitting while riding over
rough terrain may cause kidney and / or
spinal discomfort, specially for the driver
or passenger having an existing back
weakness
• Gasoline IS flammable and explosive
under certain conditions. Always per-
form procedures in a well ventilated
area. Do not smoke or allow open
flames or sparks in the vicinity If gaso-
line fumes are noticed while driving, the
cause should be determined and cor-
rected
without delay.
•Under no circumstances should you
wear loose clothing or scarves
that
could become entangled with moving
parts of your snowmobile.
•Your snowmobile is not designed to
be operated on public streets, roads or
highways. In most States and Provinces,
it is considered an
illegal operation.
• Hidden telephone guy wires or road-
side ditches can
cause serious accidents.
• Your snowmobile is not designed to
be driven or operated on black top, bare
earth, or other abrasive surfaces. Abnor-
mal and excessive wear of critical parts
is inevitable.
•Always wear an approved snow-
mobile safety helmet. Be informed on
local laws legislating the sport.
•Maintain your vehicle in
top mechani-
cal condition at all times.
Please read and understand all other
warnings contained elsewhere in
this manual.

CANADIAN DISTRIBUTORS AMERICAN DISTRIBUTORS
TAYLOR EQUIPMENT CO Alaska
PO Box 3338, Anchorage,
Alaska
99501
Name of Distributors
ALPINE DISTRIBUTORS
3206 28th Ave, Vernon, BC
ATLANTIC SKI-DOO LTD
PO Box 670, Shediac. N,B
BOMBARDIER ONTARIO LTD,
28 Curne
St. Barrie Ont
BOMBARDIER QUE, LTD
1350 Nobel si.Boucherville, Que
BROOKS EQUIPMENT LTD
Box
9B5, Winnipeg 21, Man,
HUDSON'S BAY CO
121 Richmond
W,
Toronto.Dnt
JWRANDALL LTD,
PO Box 757, Corner Brook,
Newbundland
TRACT EQUIPMENT LTD,
14325 - 114th Ave,
Edmonton, Alta
Coverage Area
British Columbia
Prince Edward Island
Magdalen Island
Nova Scotia
New Brunswick
Ontario
Quebec
Manitoba
Saekatchowan
North-West
rerritories
Newfoundland
Yukon
Alberta
Name of Distributor!!
BOMBARDiER EAST INC.
Railroad Si.. Lee,
Massachusetts
01238
BOMBARDIER WEST INC,
609 West Broadway,
Idaho Falls, Idaho
83401
ELLIon &HUTCHINS INC,
East Main Street Road,
Malone, New York
12953
Coverage Area
Massachusetts
Connecticut
Rhode Island
California New
Mexico
Nevada Arizona
Montana Kansas
Idaho Nebraska
Wyoming Washington
Utah Oregon
Colorado
New York
Pennsvlvanis
New Jersey
Maryland
Delaware
District of Columbia
Virginia
HALVORSON INCORPORATED
325 South Lake Avenue,
Duluth 2, Minn 55802
HEATH INTERNATIONAL INC
33737 - 32 Mile Road,
Richmond,
Mich 48062
TIMBERLAND MACHINES INC
10 Main si.North, Lancaster,
New Hampshire 03584
North Dakota
South Dakota
Minnesota
Wisconsin
Iowa
Illinois
MIssouri
Upper Michigan
Lower Michigan
Indiana
Ohio
Tennessee
Kentucky
WVirginia
Maine
New Hampshire
Vermont
3

4
4& Register your Ski-Doo snowmobile at
your nearest Licensing Bureau, where
State or Provincial Laws require it, and
affix Registration Plate to the vehicle.
Carry your registration certificate with
you It provides proof of ownership In
the event
that the vehicle becomes lost
or stolen.
•Obtain your State or Provincial book-
let on snowmobiling. It gives valuable
information on the neighbouring snow-
mobile trails and the laws governing
snowmobiling In your particular area.
• Observe all posted snowmobile signs
Not all private landowners allow snow-
mobiling on their property You can
have Just as
much fun, even more so, by
traveling elsewhere.
• When with others, limit your actions
to the experience of the main body
Show the Inexperienced driver
how to
properly handle a snowmobile.
• Always travel with at least one other
snowmobile, especially in unfamiliar ter-
rain or on trail rides Even in snow-
mobiling, a pair beats one of a kind
• If you are planning to explore new
areas, leave word of your approximate
whereabouts and estimated time of re-
turn with someone.
•Always make a full stop then look
carefully in both directions before cross-
ing roads When traveling in pairs or in a
group, have one
member direct the oth-
ers across singly.
8
• Use a riqid hitch or tow-bar when pull-
Ing any sled or trailer behind your Ski-
Doo snowmobile. Rigid hitches prevent
tailgate collision when going downhill or
on sudden stops.
• Be extremely careful when aiving chil-
dren a ride Go more slowly ~nd check
frequently Small children, are far safer
In a Ski-Boose" sled than on the seat of
your snowmobile.
• When trailerinq your Ski-Doo snow-
mobile, secure it solidly at both ends,
protect It with abright cover (Sk:-Doo*
cover) then check
that trailer hitch and
safety chain are secure and that brake
flashers, position and parking lights
ar~
all in working order.
"Trademark Bombardier Limited

• Don't cut across in front of the line of
travel of another snowmobile.
Don't tail-
gate; collision, or the threat of It, is
serious with any moving vehicle.
•
Don't risk injury or damage to your
machine with needless and foolish
stunting Don't "jump" your snow-
mobile This part of snowmobiling
should be left to the professional
"stunt" men.
•Never ride on railway tracks. The
sound of your moving vehicle down
out noise of approaching trains Your
vehicle may also become caught in
track Junctions In many States and
Provinces snowmobiling on railway
tracks constitutes an infraction of the
law.
• Never cut through fences or
attempt
to run over them.
•
Don't cross a river or lake without first
being positive that the thickness of the
ice is sufficient to support both you and
your vehicle Your life may depend on
it. If at all In doubt. take an alternate
route.
• Unless you are certain of a fueling
stop, never travel further than
Y2 of the
fuel remaining
In your tank. Even then,
leave yourself asafety margin Remem-
ber that asnowmobile does not neces-
sarily travel the same distance each
time on the same amount of fuel. A lot
depends on speed, snow conditions of
the trail and adjustment of the
carburetor.
•
Don't drive your snowmobile in the vi-
cinity of skiers and keep off ski trails. Al-
ways respect the rights of those who
enJOY Winter in another way
• "If you drink don't snowmobile! If
you snowmobile,
don't drink!" Re-
member alcohol and qasoline don't mix.
• Don't lend your snowmobile to
inexperienced or under-age drivers In
many cases it IS the vehicle owner and
not the rider that is responsible for
mishaps. Check State or Provincial min-
imum age limits for drivers.
•
Don't leave your keys in the ignition
switch. It presents an Invitation to
thieves and a danger to children.
•
Don't get hands or feet in track or
moving parts. If your vehicle gets
"bog-
ged" down, stand to one side, squeeze
the throttle lightly, lift the rear grab
handle, and walk out the machine
5

6
Everyone knows, or should know, the
difference
between a good snowmobiler
and a
poor one Most beginners think
that snowmobiling is Just a matter of
starting the engine and nding away
It's
not so There are right and wrong ways
to go
about it. Here are some of the pre-
ferred methods.
Tips
Where possible, enter asnowmobile
training program. Thoroughly
know your
vehicle and
how to drive it before at-
tempting difficult or rapid manoeuvers.
Driving Positions.
There are three driving positions on a
snowmobile-Standing, Kneeling or Sit-
ting Each presents certain advantages
depending on the nature of the terrain,
snow conditions, the turns you desire or
the personal preference of the driver
Standing-This position is undoubtedly
the best for climbing steep hills, trav-
eling ashort
stretch of bumpy trail or
when manoeuvering In deep snow In
this position, however, always keep your
knees slightly flexed to absorb surface
shocks
Kneeling-crossing asteep slope, for
example,
from side to side, you will find
the kneeling position adefinite advan-
tage Place one
foot on the footboard
(on the high side of the hill), the oppo-
site knee on the seat then lean into the
hill.
Warning: Side hills and steep slopes are
not recommended for a beginner.
An alternate recommended kneeling po-
sition and one
that is frequently used, is
to place
both knees on the seat, with
one foot on each side, loosely pressing
against the seat.

Sitting-for all normal driving Feet
should be on the footboards, body mid-
way back on the seat
Avoid placing
your foot inside the support braces of
the footboard.
Warning: Prolonged sitting while riding
over rough terrain may cause kidney
and/or spinal discomfort, specially for the
driver or passenger having an existing
back weakness.
Turning.
To snowmobile properly you must learn
to
"body english", (using the weight or
position of your body). Shifting
to left or
right as the turn demands and keeping
your center of gravity as
low as possible
will give you the mark of an experienced
snowmobiler
Moving your body
weight toward the
front of the vehicle, particularly In hard-
packed snow. adds pressure to the skis
and ski run so that they bite more
deeply Into t
now surface.
Icy Surface.
Ice or extremely hard-packed snow can
be difficult to negotiate as both skis and
track do not have much traction. Best
advice IS to slow down and avoid rapid
acceleration or braking.
Deep Snow.
Use the standing position recom-
mended earlier and if your vehicle con-
tinues to make reasonable headway, re-
sponding to light changes In
acceleration, you are safe enough to ex-
plore
new areas If not, turn In as Wide
an arc as possible and look for firmer
trails
7

8
Steering
Rotation of the handlebar causes a
push-pull action on the steering linkage
and forces the skis to turn In the re-
quired direction Incorporated in the
crash padded handlebar are the
dimmer
switch, kill button, brake and throttle
levers.
Throttle lever (A)
Located on right side of handlebar
When depressed, the lever controls the
engine speed and the engagement of
the transmission. When lever is re-
leased the engine speed returns auto-
matically to Idle
Brake lever (B)
Located on left side of handlebar When
lever is depressed, the brake is applied
When released, it automatically returns
to its original position. Braking effect is
proportionate to the applied pressure on
the lever.
Ignition/ lights Switch (C)
(Manual Models only)
Key
operated, 3 position switch
(OFF/ ON / LIGHTS) To start engine,
first turn key clockwise to ON position.
To stop engine, turn key counter-clock-
wise to OFF position. Turning key fully
clockwise, with engine running, illumi-
nates both headlamp and taillight
Ignition/ lights Switch
(Electric Model only)
Key
operated, 4 position switch
(OFF/L1GHTS/ON/START) To start
engine, turn key fully clockwise to
START position and hold Return key to
ON position immediately engine has
started. To illuminate both headlamp
and taillight turn key to LIGHTS
position.
Headlamp Dimmer Switch (D)
The dimmer switch. located on left side
of handlebar, allows correct selection of
headlamp beam. To obtain HI or Low
beam Simply depress switch.
Note: The angle of your headlamp
beam has been pre-adjusted prior to de-
livery Should you wish readjustment.
remove headlamp chrome ring and turn
upper or lower adjusting screws to ob-
tain desired beam position
Kill Button (E)
A push button switch located on right
side of handlebar. For emergency stops,
press button down into
lower position.
Before re-starting engine always de-
press
button Into released upper
position.
The driver of this vehicle should familiar-
ize himself
with the function of this de-
vice by using it several times on first

outing. thereby being mentally prepared
for emergency situations requiring its
use. After such a situation, the source of
malfunction should be determined and
corrected before re-startmq engine.
Decompressor
(f)
(Single cylinder engine only)
Two position, (OFF ION). push-pull
knob. located on left of dashpanel. To
engage. pull decompressor knob fully
out.
Caution: The decompressor provides
easier starting by reducing engine com-
pression. However. leaving decompres-
sor engaged while running will damage
your engine Use decompressor when
starting but always disengage immedi-
ately engine has started
Manual Starter (6)
Auto-rewind type located at lower right
side of console. To start engine, pull
handle. (See Starting Procedure)
Choke (H)
Two position,
(OFF/ON) dial knob, lo-
cated on lower left side of console. To
engage choke. turn dial clockwise to
ON
position. To disengage, turn
counter-clockwise to OFF position. The
choke should always be used for easier
cold engine starts After engine is
warmed up however, it is not necessary
to use choke when starting
Note: The purpose of the choke is to re-
duce the amount of air flowing through
the carburetor. in effect enriching the
fuel/air mixture.
Cab
latches
For those procedures that require cab
open, unlock latches on both sides
where cab meets frame then lift cab
gentiy up until stopped by restraining
device.
Warning: It can be dangerous to run en-
gine with cap open.
fuel level
Fuel level can easily be checked. at any
time. by opening cab and glancing at
translucent tank.
Rear Compartment
Recessed underseat compartment
Ideal location for spare plugs. belt. rope.
etc. Pressure lock fastened. To adjust
lock simply
tighten or slacken adjusting
nut.
Tips
Emergency materials should be
wrapped in foam or similar material.
This will prevent possible damage to
breakable Items when traveling over
rough or bumpy terrain.
9

10
With Ski-Doo snowmobiles. the oil must
be added to the gasoline in pre-mea-
sured amounts then both oil and gaso-
line should be thoroughly mixed to-
gether before fueling the tank
Which Gasoline to Use
On single cylinder models, the correct
gasoline is regular gasoline, (not
less than
88 octane) available
from all service sta-
tions.
On
twin cylinder models, the correct ga-
soline to be used is premium (not less
than 98 octane).
Caution: Never experiment with other
than recommended fuels or fuel ratios.
Never use no lead
qasolinej .naphtha.
methanol or similar products
are not conclvswe enough therefore do not recommend
use of no-lead qasolines
Which Oil to Use
Use concentrated Ski-Doo" oil available
from your Ski-Doo dealer. This
type of
oiI has specially formulated oiI
bases to
meet the lubrication requirements
of the
Bombardier-Rotax engine.
Caution: The carburetors of the 1973
Ski-Doo snowmobile have been calibrated
for amixture of gasoline and concentra-
ted Ski-Doo oil.
Unless absolutely necessary, do not use
regular snowmobile
oil. If such oil is used,
observe mixing instructions on the con-
tainer. Never use outboard or straight
mineral oils.
40:1
fuel Mixing Ratio
The importance of using the correct fuel
mixture cannot be overstressed. Prior
experience has shown
that an Incorrect
fuel ratio results in serious engine dam-
age The correct
fuel/oil ratio is 40/1.
5 gallons, recommended gasoline plus 1
pint Ski-Doo oil = correct fuel
mixture.
Note: To facilitate fuel mixing, oil should
be kept at room temperature.
"'Trademark Bombardier Limited

Fuel Mixing Procedure
To mix the gasoline and oil always use a
separate clean container. Never mix
directly in your snowmobile tank. For
best results, acquire
two containers, ei-
ther plastic or metal. Draw from one un-
til empty then use the second one
Warning: Gasoline is flammable and
explosive under certain conditions.
Always perform procedures in a well
ventilated area. Do not smoke or al-
low open flames or sparks in the vi-
cinity. If gasoline fumes are noticed
while driving, the cause should be
determined and corrected
without
delay. Never add fuel while engine is
running.
• Pour the full amount of Ski-Doo oil re-
quired for the total mixture into the
container
• Add approximately half the amount of
gasoline to be mixed
• Shake the container thoroughly.
• Add the remainder of the gasoline.
• Once again thoroughly agitate the
container
• Using a funnel with a fine mesh
screen to prevent the entry of
water and
foreign particles, transfer mixture from
container into the snowmobile tank
Note: When usmq pre-mixed fuel, al-
ways shake the container thoroughly as
the oil has a tendency to settle
Warning: Never 'top up' gas tank before
placing vehicle in a warm area.
At certain
temperatures,
gasoline will expand and
overflow.
Fuel consumption
A good idea is for you to rate the fuel
consumption of your snowmobile at the
first opportunity. Starting With a full fuel
tank, mark the time of your departure
then note time
elapsed until tank is
half-full. Repeat on different occasions
to get a mean average of your snow-
mobiles' consumption and length of
running time under varying conditions.
11

12
With Ski-Doo snowmobile engines, a
break-in period is required before run-
ning the vehicle at full throttle Manu-
facturer's recommendation for the
Bombardier-Rotax engine IS 10 to 15
operating hours During this period,
maximum throttle should not exceed %
However, brief full accelerations and
speed variations contribute to a good
break-in. Continued wide open throttle
accelerations, prolonged 'cruising'
speeds and lugging are detrimental dur-
Ing the break-in period
Inspection
After the break-In period, we suggest
that each Ski-Doo snowmobile has an
inspection check. This inspection is at
the discretion and expense of the ve-
hicle owner.
Fuel Tank Quantity
Check that there is sufficient fuel in the
tank for your trip. A good habit to ac-
quire IS to refill the tank before starting
out each day.
Since mixed fuel has a tendency to
settle overnight, agitate the fuel in the
tank by standing on the footboards and
rocking the vehicle from side to side
Track (Daily, before first run)
Under certain climatic conditions, the
track of a snowmobile left outdoors
overnight may freeze to the ground or
snow surface. Always make sure that
the track is free before attempting to
start the vehicle (This procedure will
eliminate unnecessary drive belt wear).
Steering Operation
Check operation of steering mechanism
by rotating the handlebar several times
from side to side. If roughness or bind-
ing is felt, check for ice or snow that
may be blocking the mechanism.

Throttle and Brake
Depress and release levers several
times to check
that they operate easily
and
smoothly The throttle lever should
return to the idle position when re-
leased The brake lever should be fully
applied when it has minimum clearance
from the handlebar gnp (see
Main-
tenance. Brake) If the levers do not re-
turn swiftly, remove cables and/or
housings and replace. Re-check lever
operation. Do
not start the engine until
levers return swiftly
Warning: Throttle mechanism
should be checked for free move-
ment before starting engine, Once
all components are checked and
functioning properly, you can start
your Ski-Doo snowmobile,
Emergency Situations are accepted haz-
ards With any moving vehicle. A hidden
rock or
stump on the trail, aburnt light
bulb while driving at night, an empty
fuel tank while miles from anywhere,
can all cause varying degrees of incon-
venience. Unlike an automobile,
which
has a distinct advantage In that service
stations are usually Within walking dis-
tance, snowmobiles are specifically
designed to travel off the highways.
When the unexpected happens, the
driver often has only his own Ingenuity
and that of his companions to return
home safely Fortunately, 9 out of 10
difficulties encountered on the trail can
be fixed on the spot. However, you must
carry at least a
minimum assortment of
Tools and Spare Parts to enable you to
effect
minor repairs
Emergency Materials
In addition to those tools which the
manufacturer provides. you should carry
the
following
Tools: General Purpose Pliers-Adjust-
able Wrench (%" openinqj-c-Flashtiqht.
Spare Parts: Spark Plug-Drive belt-
Headlamp and Taillight bulbs-Throttle
Cable and HOUSing-Starting and tow-
ing rope-Fuse (electric models).
Important: Always carry spare plugs
and drive belt Check condition of spark
plug
frequently and look for Signs of a
fouied or defective plug.
13

OFF
-START
LIGHTS
14
Warning: Never run the engine at
high
RPM when the track of the ve-
hicle is raised off the ground.
Note: Before starting the engine make
sure the kill button is In the released up-
per position.
Electric Starting:
1. Insert key in ignition switch
2. Pull decompressor knob fully out.
3 Engage choke. (Choke IS not neces-
sary If engine IS warmed up).
4. Test throttle operation then apply
throttle lever slightly
5. Turn ignition key clockwise until
starter engages.
Caution: Do not engage starter longer
than
30 seconds If engine does not
start on first try, key must be turned fully
back to OFF each time. Allow starter to
cool for 2 minutes before repeating
procedure
6. Release throttle and key immedi-
ately engine has started.
7. Disengage choke and push in de-
compressor knob
8. Allow the engine to warm up before
operating at full throttle
Caution: Never operate the Ski-Doo
snowmobile with the battery removed or
disconnected.
Manual Starting
1 Insert key in ignition and turn to ON
position
2. Pull decompressor knob fully out.
(Single cylinder only)
3 Engage choke. (Choke is not neces-
sary if engine is warmed up).
4. Test throttle operation then apply
thrott Ielever slightly.
5. Grasp manual starter handle firmly
and pull slowly until a resistance is felt
then pull vigorously and engine will
start.
Allow handle to return slowly to
Its original position. If engine does not
start, repeat the procedure.
Note: Do not pull starting rope to its
fullest extent or allow starting handle to
"fly back" to its original position
6. Release throttle. disengage choke
and push In decompressor,
immedi-
ately engine has started
7.
Allow the engine to warm up before
operating at full throttle.

Above Items In the lubricanon chart will be serviced dur-
ing all dealer inspections.
Console Removal
For any procedure that may require re-
moval of the console, proceed as
follows:
1. Push
(Jerk) the console in a down-
ward movement.
Code
Wl
W2
W3
W4
Code
M1
Code
BMl
Weekly (10 hours)
Steering Mechanism
Chain Case Oil Level
Bogle Wheels
Rear Axle
Monthly (40 hours)
Driven Pulley
Bi-Monthly (80 hours)
Drive Pulley
Page
16
16
16
16
Page
17
Page
17
2. On single cylinder models, slide man-
ual starter handle (right hand side)
through slot.
3. Tilt console away from engine and re-
lease (unhook) the spring attaching con-
sole to engine To reinstall, reverse
procedure.
Pulley Guard Removal
1 Tilt cab and remove console
2. Pullout retaining clip and pull on
spring bolt to disengage pin from
bracket.
3. Push pulley guard forward to disen-
gage from frame and lift out from
vehicle.
Warning: Engine should be running
only
when pulley guard is secured in
place.
Drive Belt Removal
1. Tilt cab. remove console and pulley
guard
2. Open the driven pulley, (larger pulley.
most forward) TWist and push the slid-
ing half then hold In open position
3. Pull the bottom of belt tn toward the
front of the driven pulley then slip slack-
ened belt over the top edge of the slid-
Ing half.
4. Slip
the belt out from the drive pulley
(centrifugal governor) and remove com-
pletely from vehicle by passing It be-
tween muffler and end of driven pulley.
To Install drive belt. reverse procedure
Warning: Never run the engine with-
out drive belt installed. Running an
unloaded engine can prove to be
dangerous.
15

16
(W1) Steering Mechanism
USing light machine oil, lubricate the
two (2) steering column bushings Lubri-
cate the ski legs
at grease fittings until
new grease appears at the Joints,
(W2) Chain Case Oil Level
Pry oil level inspection plug (smallest
plug), from chain case, Check if oil is
visible at bottom lip of hole, If not. fill to
this level with Ski-Doo' chain case oil
The chain case has an oil capacity of
approx 8 ozs. To replenish supply. re-
move upper Inspection cover and fold it
into a V shape, USing cover as a funnel,
refill chain case to required level.
(W3) Bogie Wheels
Lubricate the suspension bogie wheels
with low-temp, grease. using a low pres-
sure grease gun Pump through the
grease fitting at the centre of each
wheel until
new grease appears at the
joint of inner side of shaft,
(W4) Rear A;de
Lubricate the rear axle with low-temp,
grease, Pump grease through the rear
axle fittings,
Caution: Always use a low-pressure
grease gun,

(M 1) Driven Pulley
With cab tilted. lubricate the driven
pulley shaft as follows.
1.Rernove console. pulley guard and
drive belt Open the driven pulley (Twist
and push sliding
half)
2, Thoroughly clean the driven pulley
shah .
3. Apply alight coat of low temp. grease
on the shaft.
Note: Activate the sliding half several
times to distribute lubricant over full
length of
shaft 8e careful that lubricant
does not get on Inner halves of pulley
Always lubricate lightly and wipe off
surplus
(BM1) Drive Pulley
1 With cab tilted. remove console.
pulley guard and drive belt
2.. Remove centrifugal governor as
follows:
IIlI Remove spark plug and POSition the
piston %
fI to 1% fI before top
dead center, making sure that the
piston closes the exhaust
port
•Accede by the spark plug hole and
pack the cylinder
with 3116 fI dia
rope
Note: On twin cylinder engine, both
spark plugs should be removed and the
rope Inserted Into the left Side cylinder,
(PIO Side)
IIlI Pull manual starter to rotate crank-
shaft until piston bears against
"cushioning" .
IIlI Unscrew centrifugal bolt, remove
centrifugal governor, outer pulley
half and spring. Pull rope from spark
plug hole
3 Thoroughly clean the Inner pulley
shaft uSing fine steel wool and clean
cloth. Inspect all components for exces-
sive
wear
4. Apply alight coat of low temp. grease
on the attaching points of the centrifugal
levers.
5. Install spring and outer pulley half and
pack inside of pulley shaft
with low temp.
grease.
6. Rotate crankshaft until same o.sron
(c!utch side) is
%" approx after top
dead center Insert rope Into same
cylinder
7. USing light machine ali. lubricate the
governor
bait threads Install governor
and torque bait to
33-40 ftl lbs.
Warning: Make sure that the gover-
nor bolt is fully tightened before ra..
moving rope from cylinder.
17

Carbonized
Normal
Burnt
18
Code Weekly Page
W1 Spark Plug 18
W2tBattery (electrolyt,jlevel) 18
W3
Suspension Springs 18
W4
Track 18
W5 Track
Tension 19
W6 TrackAI
ignment 19
W7 Carburetor Adjustment 20
W8 DriveBelt Condition
21
W9 Steering Mechanism 21
Code Monthly Page
M1 tBattery (connections) 21
M2 Carburetor Flange t\lLJ~~ __ .?~_
M3 DriveBelt Wear 21
M4 Brake 21
M5 Steering Adjustment __ ~ __
M6 Engine Head Nuts 22
M7
Engine Mount Nuts 22
M8 Muffler Attachment 22
M9
Vehicle General Inspection 22
t(Electfic Model only)
Above items will be serviced durm~1 all dealer mspecuons
(W1) Spark Plug
1Tilt cab and disconnect spark plug
wire.
2. Remove spark plug using box wrench
supplied In tool kit.
3. Check condition of spark plug Nor-
mal color
IS "brownish".
If spark plug color is abnormal (black or
light grey), the engine is not running un-
der Ideal conditions, due to either
• Use of
incorrect fuel mixture
•Carburetor Incorrectly
set
• Wrong type of spark plug. (See
Specifications for correct spark
plug heat range)
4Check spark plug gap using a wire
feeler gauge Gap must be
020" ,ad-
Just and / or replace If necessary Rein-
stall plug
(W2) Battery
Remove battery caps then check elec-
trolyte level at each cell. Electrolyte
level
must touch bottom of filler' hole If
necessary, add distilled
water up to this
level
(W3) Suspension Springs
With engine off, visually inspect bogie
wheel springs and iink plate springs. Re-
place any weak or broken spring
(W4) Track
lift the rear of the vehicle and support it
off
the ground so that the track is free to
turn With engine off, rotate track by
hand and visually Inspect track condi-
tion. If bad cuts or missing inserts are
noted, see your dealer.
Note: Without these inserts continual
abrasion would wear and cut the track
therefore, always replace amissing or
damaged insert as soon as possible