Ski-Doo OLYMPIQUE 300 User manual

32
__ •••• _ ~ .. _ __ _ m_ _
IN ..,'. 24
emergency materials - assisting
stranded vehicles - trouble shootino.
TROUBLE SHOOTING
GUIDE ....
,... ....... 25
GUIDE.. 26, 21
._.. _,.".~ .._.' ... _~ ,. .__"._,. "'_'~,_,.," ....·M·"_'··_· __ ··._" __ "··· ....__.__
STORAGE 28, 29. 30
track -- suspension --- ski assembly -
fuel tank - carburetor -cylinder lu-
brication - chain case - controls -
pulleys - battery - chassis.
-" .•.."._.. _-~-~"-_._-_._,,~-,,,-_.~--_ .. _-_.~. __._.. _--,_ .. '._..--_._--._-",.. _.-
GLOSSARY., 31
--,-._ .. ,-----------
TO SNO'WMOIBllE
GENERALINTRODUCTION, .. 1
SERIES INTRODUCTION, 2
___ .,~. __ •• '. _,", ··_·_"_" ·.. ··_·,· ~~~·_··_·_···_.· ~ M .• ._~_ •. ,_._
SPECifiCATIONS....... .3
-----_ _-"_.~ ..,.._.. '.,.-..-.,_ _,_ _._ .. _--".~_._--'"-,. __ ._--"-~._,._--_ _-------
fUEL MiXiNG.......... 4, 5
fuel mixture ratio - which gasoline to
use - which oil to use - fuel mixing
procedure,
--_._,--"'---".,-,------~"--_._~_ .. _-- .,--"" -,.. ",._-,--_._-_._,--_ .._.. .._-._-_._._--"._.~-~-
CONTROLS &INSTRUMENTS. 6, 1
steering - throttle lever - brake lever
-ignition switch - light switch --
choke - decompressor - manual
starter - fuel level.
DO'S....... 14
---.. _--_._----_ ..
DON·TS....... 15
__________ ,, __ .' •• n ._'n •• __ ._._, •• __ "" , •• ·_ •••• .un ••• _ •• ,_ .•• , .. __
lUBRICATION 17
ski assembly - steering mechanism -
PRE-START
CHECK.. . ,... 8 throttle &brake - chain case oil level
fuel tank quantity -throttle operation _ bogie wheels - driven pulley _
-brake operation - steering opera- drive pulley - (SKi-DOO PRODUCTS),
tion - skis and ski legs - (BREAK-IN).
.--------------.----.-
___ ··,"·.._,· " __ " __ ~· •__ ._.·' M·. ._·-- •• -, .•• '-_.--.-.--,--- CUTAWAY VIEW. H......... 18
STARTING PROCeDURE ..... 9
---.----.--.-
electric starting - manual starting. MAINTENANCE 20, 21, 22, 23
------------ ... ------------ .. ------ spark plug(s) -- battery - suspension
DRIVING HINTS ., 10, 11 springs -- track -carburetor flange
driving positions - turning - surface nuts - carburetor "- drive belt con~
conditions -quick tips. dition .- rectifier fuse - brake -- drive
ClOTHING&-WEATHER-~-:-------'-12 belt wear - steering adjustments -
chill factor chart. engine head nuts - engine mount bolts
--- electrical wiring·- vehicle inspec-
NEW fEATURES ... . 13 tion (TOOL KIT &USES),
--_ _ ----_ .. _-----_.
I

ANUAL
Comptetelv !I!n<;,tr;o,tp,rl with over 150full-sized pages, the contents
mCI!JC!eS entire sections on -- Carburetor
susoenston _.- E!ectricals .,-
UI!,Ii!U'~UI.I and much more.
Previously available to Dealers and Service representatlves
Manual is the most authoritative of its kind .. ,contains every-
ever need to know about your Ski-Coo snowmobile.
1970
m1971
SKlmDOO SHOP

For best results, set aside a recular
time each then follow the simole
ste s listed under 'Weekl ' or
. The few moments will
pay you handsome divide with
years of service,
Now that you are a member of the
u,nY!ri'", !::lfflA!'it snowmoblllnq traterni-
;:-'Ri-U'UU Snowmcbllers, we'll be
looklno on the Trails -mean-
it a
time to
SiITip!iifying and Lu-
brication and Maintenance nrocedures
in this so that may be
anyone,
orlor experience
KEEP the Manual, in its weather-
ptasnc envelope, with your Ski-
snowmobile times. in the
event that the happens, it
can you with a
inconvenience.
DO re£!LilEH and proper Lubrication
Malini:enan,ce, as in the
Manual.
At Bombardier
the vehicle
marily
for eruovrnent,
we start at
And of
new
owner "::llnn,~t be
Treat Maintenance as
of the overall fun and vehicle
will retain that look and
perforrnance as as you want
-1-
As impattent be to your
new ..,"',-
.... 'uu SrHJWimobil e. there are
three would !ike to
make
BOMBARDIER
each vehicle is backed
by an International Ski-Doo Distributor
and Dealer so that wherever
are, in Snow Parts and
Sp.lrvi(~p. are available.
Conqratulations on your of a
QI"-w'UU snowmobile and welcome
lothe that has the face
of winter. This year,
lim-
ited a ""<:11",,,\/
new
Whichever model have
will find to the
standards of quality and crattmansnlo
the world's manufacturer
snow Bombardier Ltd. - the
people who
oricinated snowmoblllno.

'(except Model 300).
MODEL 335E
--2-
This year, the world's most popular
snowmobile is so restyled
that chances are you didn't recognize it
at first rd~,nr'",
In addition to new aerodvnarnic
however, there's a host other features
including structural improvements, a
full console and newer, deeper seats.
This year, performance too has been
improved. With
track ,",o""nm
drifts better than ever. Four
new Modeis - 2 distinct body
STANDARD fEATURES INCLUDE:
15" New-Profile Track @Drum Brake
System eTilt Cab .. Wlnd-
<!I Trailer! ..
C(1,m~)arimlent @ Reflectors" Real'
Re,flect<mi '" full Console ef'ronf'a:md
Rear
Bumpers" New Merlol"! Polycar-
benate CabeColor-Coded Instruments

335 c.c, 899 C.C.
Optional
70 MJv1. 2x61 M.M.
Drum
99% 99% 99%
30% 30513
34% 34%
iS
N-t h."
15"
'v
15/34
15/34
16/34
Manual Electric Manual
40W 75W
Vv-240-T-1
335 c.c,
70 ~tM.
ONE ONE TWO
--_._--~-----
78 M.M. 78 M.i\-t 2 x64.5 M.M.
Optional
15 18 i8 24
._---~_._. __ ._---------_.-
7:1 8:1 8:1 8.75:1
99%
------_._-----"----
SPECIFICATIONS
ml.l$trated·
MODlEl335
-3--
#\Vhen order~ng rep18cefTI·ent spark p!ug(s), specify number shown above.

WARNING -Unless absolutely ne-
ce.tsary (111 case of do
not use outboard m1Wral
oil. Ne,er use mum-!liscosity oils.
-4--
fUEL MIX1URE RAllO
For the engine that
your snowmobile the
correct gasoline to oil mixture
IS
20 parts GASOliNE 10 1 PARl Oil.
The importance of the correct
Fuel Mixture cannot be overstressed,
Prior experience has shown the
single largest cause of
is from improper fuel mixtures.
WHICH GASOliNE 10 USE
The correct gasoline for your Ski-Doo
snowmobile is regular gasoline, (not
less than 75 octane), available from the
pump at ali service stations.
WARNiNG -Never experiment with
differing fuels Of fuel ratios. Never use
premium gasoline, naphtha, methanol
or similar prodw:::fs.
WHICH Oil 10 USE
Use only Ski-Doo Oil
available from any "''''h""i..,,..,r! ,Cl",-,nJU
dealer. This oll, especiallv blended
the Rotax
""V",..,,"
to carbon formation, excellent ann-wear
characteristics and reduces engine
to a minimum
fig. :.1
fig. 1 fig. :2
FUEL MIXING
Unlike an
WILL NOT OPERATE
gasoline alone to the fuel tank,
function properly, all engines, automo-
tive or snowmobile, must have OIL. With
asnowmobile the OIL must
first be added to the in pre-
measured amounts. Then both oil and
should be thoroughly mixed
tocether, BEFORE fueling the tank.
NOTE: A mixture containing too little oil
will cause overheating of the engine,
which could result in serious internal
as seizure or even
arod or ctenkstudt).
Amixture containing too much oil
cause excessive carbon re-
in pre -tonttion.
,v""'YI';>} and foss
5 GAllONS, REGULARGA.SOllNE,
1 QUART,SKI-DOO
Oil =CORRECT
fUEL MIXTURE.

running time under varvinn conditions.
A idea is for you to rate the
torrnance of snowmobile at
first with afuli fuel
of
your ceparture.
Then note time elapsed until is
half-full. Repeat on different
occasions
to a mean average of your snow-
and of
The Fuel Consumption
be construed as approximate
suits have been
static tests under full
take into account such factors as snow
conditions, less-than-ideal carburetor
adlustrnents, etc,
SAViNG TIPS *
enlCJ!118 idle for more than
brief oenocs. waitino for
compa-
nions to catch <::tnnninn to
rest on the your ionltion
Not only do you save
lessen the chance of
*Don't run
open. You wi!! find
""""fr-r",,, as efficientlv
determine, it is safe
to do so) bring vehicle up to full throttle.
then off throttle until vehi-
cle starts to lose before
vehicle loses speed the
point of high
speed efficiency.
MIXiNG PR~JC!::D!JIRE
To mix the and oil
use aclean comainer. ,Never
mix in your Ski-Doo snowmobile tank,
2. Pour the full amount of Ski-Doo Oil
for the total mixture into the
container, add half the
amount of and
shake tnorouoruv
3. ,A.dd the remainder of the
and thoroughly aqitate
tainer.
4, a funnel with a fine mesh
screen Fig. 2) to prevent the
of water and foreign transfer
the fuel from to tank.

CONTROLS & IN
STEERING
Your Ski-Doo snowmobile follows the
direction in which the handlebars are
rotated. To
turn to the rotate
handlebars To turn
rotate left.
NTS

Sta.ndard eouiornent on Electric Model
is located on
i rvr cxrvrn cx ring), Push
pops up autorna-
FUEL GAUGE
wish minor readiustrnent !l'OW
I8VElL
nut at base of headliqht assembly
unsioe ,clockwise to
counter-clockwise to raise
it For
remove bolt on retract
clockwise to
IntE,H-ICIOcK'WI~;e to lower
LIGHTER (I)
your
Two
en-
-pull
vides
TE: The
easier com-
pression, However, deccmotee-
sor while running can aemeae
your Use
decompressor
ALWAYS DISENGAGE IM-
ENGINE HAS STARTED,
DECOMPRESSOR
Models except 399)
Two position,
located on
To
The purpose of the choke is to
reduce the amount at air
ffolN/ng u ,'i ,n,',-, ,,
in effect an.r/cii,/ng
lue'li cut mixture, However. 16,av,inp
on after activates
carbon the
RI ',11R \!',"; tum choke to
Dr1I"tinD has stetted.
MANUAL STARTER (G)
Automatic rewind
UGHT SWITCH (IJ)
switch located on left
,Illuminates
t:::>iilin"t with engine
model), with or
(electric model),
ilil,mii'1;:,tA
swrrcs (Cl
Manual Start Models have
2switch
Electric has spring-loaded
contact
ION! START), to
activate starter mechanism,
on lever.
CHOKE
Two position, dial lo-
eated on lower left side at engine
con-
sole, To engage choke, turn dial clock-
wise to ON To turn
counter-clockwise to OFF positron
The
choke should be used for
easier cold engine After 0,",,"1;""'"
is warmed however, it is not neces-
sary to use when
::ita, 1II Iy
BRfl~KE LEVER
Located on left handlebar
IS depressed, h'<:1,lti",n
When autornaticany
to the OFF
-1-

PREmaSTART
CHECK
(daily~ before
first run)
fUEL TANK. QUANTITY
Check that there is sufficient fuel in the
tank
for your trip. A habit to ac-
quire is to 'top off' the tank before
starting out each day.
S,:nce mixed fuel has a tendency to
settle overnight, agitate the fuel in the
tank by standing on the footboards and
r(){"kin,r, the vehicle from side to side.
THROTTLE OPERATION
Depress and release throttle lever sev-
eral times to
check that throttle opens
and smoothly and returns to the
position swiftly when released. if
it does not return swiftly, light ma-
chine oil machine on the
cable, at cable {See Fig.
BRAKE OPERATION
Depress and release brake lever several
times to
check that lever nn.c.r",toC'
and returns to OFF
when released. Brake should
when lever is % II ,~lo",r"",.~,,\\
from the handlebar
STEERiNG OPER,ATiON
Check operation of steering mechanism
rotating the handlebars several times
from side to side. If roughness or bind-
ing is felt, check for ice or snow that may
be blocking the mechanism.
SKiS AND SKI lEGS
Check the condition and alignment of
the ski assembly, particular at-
tention to ski (bolt iolnino
ski to ski leg). if necessary.
-8--

to
knob
(f)
disenqaqe choke (E) •
manual starter handle (G)
pull until a resistance
is Then pull
Hll1,'W{)j and 21l1"'l1nP.
will start. If Anrlln",
handle to return
position and repeat the
NOTE: Do not
fullest extent or aI/ow stertina
back" to its nrhlini'il position.
5. Push in
trnrnediatety encine has ",t,;,,'i'Or!
MAI'IUJJll STARTING
Ski-Doo snowmobile is equipped
with amanual starter (auto-rewind type)
located on the flywheel side of the
To start the engine
1, Insert key in ignition (C) and turn
to ON,
2. Pull decompressor knob (F) (green
out. Model so equipped).
En(J8QI8 choke (E), Choke is not nee-
enqine is warmed
5, Release throttle
ON ",nnlir!l::>
6. Push in, and otsencace
NOTE: If tor
cannot be
live 'HClliv'.
fof/ow the oroceoure
-9-
4. Insert key in ignition and tum
clockwise until starter engages.
Do not engage starter longer than
seconds.
After 30 seconds, allow
not starter to cool for 2minutes.
enqine does not start on first try, key
turned back to OFF each
before reoeetino procecute.
ELECTRIC STARTING
For Models with electric starter:
1. Pull decompressor knob (f)
ring) out.
2, choke
necessary if
3, Test throttle
throttle lever
STARTING PROCEDURE

furthest FORW,A,RD for
on snow, when
passengers or
r'ClI.ITDL: for all normal
BACK
snow
UU'!aLIV terrain,
Use
TRACK TENSiON
As one of many new the
track of Ski-Doo snow-
mobile is A slotted
anchor holds top of the track ten-
stoner ngs (2), and tension IS
~f:~u~~~'ti~~~rn:,.,,,,;,.,,n the to any
position often
for better
no,'mite you to roc,nr,nr!
mn,\/o'l"l",'nf of your snowmobile
control. With this
alwraY~3kElepyourkneesQ!i(1hthl
",h'~(')rh surtace shocks.
undoubtedly the best for
down, a
h' ,<"nY',',' tY",il or when
(2) SiUing- for all norma! rlri"inr'
most comfortable is the
position, Toes be held loosely
the stirrups, about
midway back on
the and
weicht distributed
evenly between the seat
and footboards,
crossinq aside, you will
wn,,,,,,linn position adefinite ad-
IIor,t,,,,,,,, Place one foot on the foot-
the side of the the
knee on the then
the hill. if left foot
should be on the
your
knee on the and vice-versa.
An alternate recommended kn,OlA!inn
sition and one that is trequentty
is to both knees on
one on each IOCISel\! n,,,,,,,,,I"'11
",,,,,i,..,,,1· the seat. This pos.tton
you encounter ournovtraus
is uncomfortable.
are even.
When remember that snow-
moblles have a flat
track in con-
tinuous contact with so that
the vehicle starts to slow
of its own accord as soon as the throttle
is released. For most circum-
",tont"::'<:< this natural action
pressure on the are more
than sufficient to the vehicle.
DRIVING POSlllONS
There are 3 main rlri"i,.,,,, nositions
a snowmobile .~ (1
and
Driver
confidence and
the to fui!
c,n;r.'/lYlplnt
Ski-Doo For
runs, select alarge clear
oractice the uses and r"''''I"\(')ln<:<"..,
various controls and
balance of your vehicle,
When first throttle and
most and release the
levers too causing a
corre-
of the machine.
lnc;IAArl squeeze levers firmly and
so acceleration and braking
DRIVING HINTS

Ski-Doo
to follow to rrururmze
stranded are
on known trails and familiar
with or in company
other and
lubrication and maintenance
aUfCKTIP
SURFACE CONDITIONS
Deep Snow - Your new
snowmobile is to nej;:joj'iate
almost any snow
or newiv-rauen snow.
Important however- (1)
don't over-
load your machine travel alone, not
with and maintain a
reasonable at all times.
accelerate the track's
to with surface under-
and
the recommend-
ed earlier and vehicle continues
to make headway, respond-
ing to light in you
are safe to new areas.
if not, turn in as wide an arc as possible
and look for firmer trails.
~cy Sur~ace - Ice or extremely hard-
packed snow can be difficult to nego-
tiate as both skis and track do not have
much traction. Best advice is to slow
down and avoid acceleration or
quickly find that
toward
in
pressure to the
ski runners so they bite
into the snow surface.
the the-
leaning
inner of the
turn you increase the pressure on that
of the track and corresponclnqly
lichten the other In
create a bank of snow under the
so that the vehicle is banked
TURN~NG
In
often
alone turn within
Part
0'1 the fun of snowmobilinc
each turn
rl"';"I",r\r!",
radius of the vehicle vlJ'''''''~,
conditions and the
To make those
the mark of the experienced
must learn to use
of your
the turn demands and
centre of as IO\N as possibte.

Ltd, and
local authorized
you are
when
15 20 26
MilES PER
veiocrty or snowmobile speedl
Agood rule to when comfort with a
r<al~ir<in" what to wear, is to dress to the weather
Inot the temperature.
mitts and boots are
for
hands and sufficient move-
ment as you are subject to
faster than other areas of the
n, d-fiHinn from head to
all - and Bornbardtsr Ski-Doo
nA,'inlr::. who know snow-
considered wear certified .
...,,,,-, ''iH! sportswear
when coupted
As the accornpanylnq
To hundreds of thousands of enthu-
Snowmclbiling has added an en-
new dimension to winter. To
the there is one
as
or
i-''''U''''-''' a often as
as 20 to 30 rlt>fWt'",,<c below thermometer
CLOTHING
ER

your track ten-
of snow
tensloner
s-posmon slotted
ADJUSTABLE TRACK TENS~ONER
l)lPRINGS
OTHER
fEATURES (Not nh.ls~!'ated)
@Deep Cushioned Sea~
$ Bigger, Safer Tailli9h~ lens
ill Side Reflec:~ors
$ Improved S~eerln9 Mechanism
@ Stronger Suspension Springs
@ Color~Coded Ins~rumenb
-13-
SElF-ADJUST~NG DRIVE CHAIN
had to the drive
perlodicaily. This friction-
sormo-roaceo arms just the
amount of pressure
On orelirninarv examination
almost this track to
in the direction. And
the tpr:hnirRI explana-
easily understandable. the
each instead of
SKi lEG HOLDER BUSHiNGS
Hardy, friction-free (See Fig.
5) now make it no necessary to
grease the ski
-- and they last for
the life of the mOl""""""
YeST after continues
to be the of Snow-
mobiles and Snow-related
Why? one of the many
would have to be our
continuous and rrnorovement
This year, for A.,u~m!nip
more new features in any other
year in our in addition to brand
new for here are
afew many innovations that you
will on your new Ski-Doo snow-
mobile.
NEW FEATURES

do
vehicle
encounter an emergency ,
knowino what to do can often make the
difference between stranded
and returning
Register your Ski~Doo snowmobile at
YOllr nearest
Licensing Bureau, where
state
or laws require it, and
affix to rear of veht-
cleo your re~listration certificate
with you. It proof of owner-
ship in the event that the vehicle
becomes test or stolen.
8e careful when urvrnu
children a Go more
check Small children, Bre
far safer a sled than em
the sea! of your snowmobile.
carry emergency materials and
Insure
your snowmobile aoamst Public
When your Ski-Doo snow-
mobile, secure solidly at both
it with acover 'uc,,-w'vv
; then check trailer
safety chain are secure and that
flashers and are all in
workino order.
lise a hitch or tow-bar when
plIliing any sled or trailer behind YOUi'
Ski»Doo snowmobile. Rigid hitches
nl'll'!vp.'n~ i2!i!gate collision when
downhill or on sudden
Ah!\la}IS make a full then look
ca ~y in both di before
crossing railroad tracks or roads.
When in or in a group,
have one the others
across,
:::ilill:jiY.
check to be sure
member of
with <:>lIHi,r-itHlf
helmets.
at ali times.
If you are new
areas, leave
word
whereabouts and tlme of
return with someone. Remember, a
snowmobile can often travel farther in
15
minutes than you can walk in a
Show and to other
and to
DO'lS
Before you start
that you and each
pa
are
warm clothing
Use the 'buddy' travel
with at least one other
in unfamiliar terrain or on
rides. Even in
snowmobilino
beats one of a kind.