BOMBARDIER ski-doo T'NT F/A 340 1973 User manual

LUBRiCATlON ".....,..15, 16, "1
MAiNTENANCE Ut 'I 21,.22
EMERGENCY GUIOE..".", ,.. 23
TROUBLE SHOOT!NG 25
---,--~_.~-~----
Off SEASON STORAGE..,26, 28
-------
PRE SEASON PREPARATION ....... 29
s~fiCATIONS-=.:~:~: .. ,,.,30, 31
WARRANTY , " 32
fUEL MiXING ..'.. m.' ,...,.. '10,'I i
-~~-+>--~~----
BREAK·iN
PRE-START CHECK".,.a""..."",,.! 3
IN CASE
Of EMERGENCY.. "'''' 13
STARTING "" ,.,14
WHAT YOU SHOULD KNOW
BEfORE fiRST RIOE...,.",,,,,,,,,,,.,,,,," 2
--~--~-
-SERVICEAREAS ""',m", ... """"" ", :3
DO'S ,,,,,,, .,.,,, ,, ,, 4-
DONT'S "."" " m5
-~-----
GOOD DRIVING TECHNmUE 6,"1
liNSTRUMENTS " 13, 9
60;:;8 -
104,756 -
,3 /' - 710.1592
"The are trade marks of Bomb-
ardier "-"""L'c;,;,~.
Ski-Doo Vaimom:
Ski-Boose
T'NT
Nordic
Patents:
72
c".395
853,505·''''A''''.~ q ''',,...,.,,:-- v~
United StaiB~;3teni:3: 2,8~';~,,i4.L -...1,Vtlo,.b40 -
Canadian Uti",,,,,,,,. DI/2:; F/28172 -.0,1,/249
13 7 and '316 -D32.479 - 032
032"355 to 657 . D2~2561~;~
33,982 -33.933 - 34.000 2nd uu7
United Sta1es
Do::rs.221
Oes.221
222,244
Blizzard
PATENTS end OES~GNS .. ,
Thisvehicle 18 covered one or rr.ore ot the rot-
low,ng patentsarid des;:~n reg,SlrB:"JriS

with
could become
of your snowmobile
@ Your snowmobile ill !'lot [0
be on streets, roads or
In most States and
is considered an
e Hidden guy wires or road-
side ditches can cause serious a©cidell'l;$i.
@Your snowmobile hill not to
be driven or on black bare
earth, or other abrasive surfaces.
rna! and excessive vvsar of critical
is inevitable
@wear an snow-
mobile helmet. informed on
local laws the sport.
e Maintain your vehicle top mecnaru-
cal conoition at times.
fIGi!lI$$ read arid Wlfid®f$tand ®I! o1i"l®r
©Ofi't&llfl$d
®i$$w!1@Jr®
thil* mamHmt
over
and/or
driver
back
to run
or scarves
wear loose
GGasoline is flammable and explosive
under certain conditions. per-
form !?l a well ventilated
area not smoke or
allow
T!EH116S or in
linefumes are noticed while
cause should be determined cor-
rected without
®lfmhs!" !"'I@ circum$tl)1m;®~ should
can prove to be dangerous.
@Ni!vs!" run the
when the; track of
off the W'JUI'U.
®It can be dangerous
with the cab open,
@
@
Never without drive beit
mstatled. an unloaded
Ob$efV®1he
fo!!owwi!19 plr0©l:u.!tio!1l!:
@ Throttle me c a ism should be
checked for free movement before
To many of us, Winter is 8 6X-
perience Woather, condi-
snow surfaces, individual
habits and vehicle
US8Q6 have consider-
able affects We ask that familiarize
the
owners
manual, to ac-
operation of your ve-
aspects and systems as
maintenance
that must be
an aimed toward a more en-
Wint(.,f season.

CANAD!AN DiSTRiBUTORS
,-,
c
!Hmois
MiSSOUri
Upper !\/iichigan
North Oakora
SCUH1 Dakota
rVlinnesota
V\/isconsin
lowe
Lower f·.j\ich~gan
indianB
Ohio
TiMBERLAND MACHiNES iNC
10 fviain St.
New Hampshire
HEATH iNTERNATIONAL lNC
33737 - 32 Mile
Richrnond,
NewYc,-k
Caiitornia Nevy iviexico
Nevada Arizona
Montana Kansas
tdaho Nebraska
VVashjn~:r:on
Oregon
Connecticut.
Rhode ls1and
~\lew
Maryjand
DeLaware
District Columbia
\/;rg~nia
Colorado
West 8rCiad\N8V
~daho Fans,
CRAiG TAYLOR EQUiPMENTCO
PO.8ox Anchorag0,
Alaska
8C)MBtIR[)It"R WEST iNC.
ELLIOTT '" HUTCHINSiNC
East ~Aam Street
f'AslanB, New York 1
l\I!lml'lof Di",tdl:mwl'll
80M8AFiDIER EASTINC.
Railroad St. Lee.
Massachusetts 01238
COWfllg®A.rl'Jl!!
British Columbia
Prince Edward ls!and
Magdalen island
Nova Scotia
Nevv Brunsw.c':
Ontario
iV1anitoba
Saskatchewar"
Yukon
A!bef"ta
Nonh-West
Territories
NeVfl(',undlBnd
I'l"m@ of Distributors
ALPINE DISTRIBUTORS
3206 28th ,/':;,V8., Vernon, 8.C
ATLANTIC SKi-DOD LTD
P.O. Box
670, Shediac. N,8.
HliD~;OI~'S SAl' CO
Richmond W.
Toronto.Dnt.
BROOKS EQUIPMENT LTD
Box 985, \AbnmpBg2.1, \'vlan.
BOf~,H~,ARD;ER o.UE. LTD. OLiebec
1350 Nobel St. BoucherviiJe. QUia.
J IN RANDALLLTD
P.O. Box 757, Corner Br'Jok,
Ne'Jlifound~afld
TRACTEQUIPMENTLTD
14325 - 114th Awe"
Edmonton, Alta.
8()fviiBt~RIJH:R ONTA,RlO LTD.
Currie SL Barria, Ont.

are
your Ski-Doo snow-
at both ends,
,::lover i""',\-'JUU
trailerthen check
chain are secure and that brake,
make a fun stop then 100k
C3refU!!V in both directions before cross-
When or a
group, have one member direct the oth-
ers across
ttasners. position and
wn,d, "1"11 order ~
@When
mobile. secure it
protect with a
@travel with at least one other
snowmobile, in unfami\iar ter-
rain or on rides. Even in snow-
rn(lr)!illll~' abeats one of 8kind.
@you are to
<H",eaS, l,save word o·f. your a, noroxrmate
wneresocuts and esnmatec
vvith someone
your actions
of the main
Show the driver how to
orooerrv handle a snowmobile.
event that the vehicle becomes
or stolen:
@Obtain your State
let on
information on the ne.ohoourmc
mobile trails and the nn\fA'Cn;nn
snowrnobile
landowners altcw snow-
their property You can
as much fun. even more so,
jT~{\iAi!nn elsewhere.
@your Ski-Doo snowmobile at
nearest Bureau, where
or Provincia! Laws it. and
affix Plate to vehicle.

rider that for
® Don't lend your snowmobile to
or drivers. In
® Don't get hands or feet :(1 track or
parts.
your vehicle
stand to one squeeze
lift the rear
handle. and
out the machine.
Check State or Provincial rrun-
imurn age limits for drivers.
$ "If you drink don't snowmobile! !f
vo!..! snowmobile, don't drink!" Re-
member alcohol and don't rrux
an alternate
vehicle.
If at an doubt.
route.
eUniess you are certain of a
never travel further than /2 of the
Even then,
Ri'3rnem-
ber that a snowmobile
travel the same distance each
ti016 on the sarne amount of fuel A iot
snow conditions
me of the
* Don't cross a river or jake first
oosit.ve that the thickness of the
ice is sufficient both you and
tracks. The
machine V\sljth needless and
Don't U
mooue. Th
@Never cut th,·,~" ,nh fences or atterllpt
over tnstn
should be
"stunt" men
@of the iine
travel of another snowmobile Don't tail-
gate. collision, or
senous with anv
sound of
e Don't
vehicle
track rnanv
Provinces snowrnobil
tracks constitutes
law
5

taqe. Place
the
hill.
Wasl1il1g: Side l'ii!is and steep
net recomrm:mded for a begi!1il1sr.
shocks.pre-
knows. or should know, the
difference between asnowmobiler
and {2 poor l\/lost think
that
not so,
to go about it. Here are some of
ferred methods
An alternate recommended kn!3e!ing
sit ion and one that !S iil;:!'t.!!,iC;fili"i
to both knees on
one foot on each side ..
dU'C!ii\M the seat.
desire or
driver
manoeuvers.
conditions. the turns
Ea.ch
VI/here enter asnowmobile
tr·o.:,-.:nn nr,~.n'r",(n Thorouqhiv know your
drive it before at-
!1",,,l,,,,,,, Positions.
There are three
6

re-
enough to 6X-
areas, not turn as wide
an arc as and look for firrner
trails
Surface,
Ice or snow can
be difficult to as both skis and
track do not have much traction. Best
advice is slow down and avoid
acceleration or bff3klng.
Use the
mended earlier
tinues to make reasonable h",,,,,rl,,,.'"''
to
way back on tho seat. Avo!d
foot inside the support braces
footboard
WillI'
l;M'Id!or
driver Of pa~l'l~r
back Wtla!ule~.

gencv situations
W<!min!J: If me button has been used in an
emergency situation the source mal-
function should be determined arid cor-
rected before res:ti31r'tirl!:l
Kill Button IE}
.A. push button switch located on
side of handlebar. To stop the
press button down into lower position.
Before alwavs depress
button released upper The
driver of icle should tamiliarize
himself with the function
the head beam
prior to deliverv.
remove
I-JU~"-WU!l switch located on of
illurni-
Pull
nates
out to Hlum(nate
it is stror,;q!'!! recemmended that
you f'lI'nHiarize with the eosittve
ection of tnissvstem.
The dimmer switch .. located left side
of handlebarIallows correct selection
headlarnp Of
beam
returns automaticaliv to idle.
and the ell'ga!~elner;tof the transmis-
5ion~ When lever released the
Throttle
side of hand leoar.
depressedIthe lever controls the
Mounted on left side of handlebar, vvhen
hvdraulic disc ,)'/3-
hn:nclin,Cl the vehicle to a fast smooth
stop.
handlebar are the dimmer switch, kill
button, brake and throttle levers.
Rotation c,[' the handlebar causes a push-
action on the
forces the skis to tum
rection,
beam position.

to nm
compartment. Ideal
Irope, etc.
items should be
it can be
with cab
open.
roam or similar material Th is vvi!\ prevent
while over
Recessed underseat
location tor spare
Pressure lock fastened. To jock
or slacken adjusting nut
of
C;jb
tank cap
both sides where
that
rS,Jisters the
level, unscrew
"i",""'I\/ to the
Uine(~T·'rF;rln;n{l dial indicates
rni'es per hour
records the
For "those procedures
open, unlock latches on
cab meets frame cab
until stopped bV restrainincdevice.
number of miles travelled.
the maqneto. dial indicates,
in thousands, the number of revolutions
per minute {R.P.M
The tachometer
Tachometer
or
pull
started" Never
choke on"
is warmed however, it is
not necessary to usechoke when Qb,,·tinn
Note: The purpose or the choke is to re-
duce the amount of
I\lhmu!l! Starter
Auto-rewind type located at
console cab recess, To start
<";t,,;rtlnn Procedure}"

mixtu'e.
Not,,: To facilitate fuel oil should
be at room temperature.
fmlil Miximig Ratio
The of the correct fuel
mixture cannot be overstressed. Prior
ovnori",nr-o has shown that an incorrect
fuel ratio results in serious dam-
. The correct fuel /oir ratio 40/ 1
1
correct fuel
Which em to Us®
Use ©ollC$r1trated Ski-Doo" oil available
from your Ski-Doc dealer. This type 0'[
oil has formulated oil bases to
meet the Iubrication of the
Bombardier-Eota x
Caution: The carburetors of the 1973
Ski-Doo snowmobile havebeen calibrated
for amixture of and concentra-
ted Ski-Doo all.
Unless necessary, do not use
snowmobile oil. if such oil is
instructions on the con-
tainer. Never use outboard or
mineral oils,
stations.
Caartloil: Never
eXii1A'nr,1f'lrit
ent rue! or fuel
or no lead """n";no
or similar [J")ULI',l.~.
With Ski-Doo snowmobiles, the oil must
be added to the pre-mea-
sured amounts both oil and
line should be
b®vora
Which Gasolil'l® to Usa
On ali models the correct rs
Premil.m~ less than 98
available all service

wi!!
time under "'""",,,.,,... conditions.
tem~::Ili!rature$,
overflow.
Fuel consumption
A good idea is for you to rate the fuel
,m,-,t""" of snowmobile at the
opportunity. C:.y",,'t'nn with a full fuel
your
then until tank is
halt-full. on different occasions
a mean average of your snow-
mr\h!ip~' and of
the
approximately half the amount of
@Pour the full amount of Ski-Doo oil re-
for the total mixture into the
container.
@a funnel with a fine mesh
screen to prevent the of water and
transfer mixture from
container into the snowmobile tank,
Note: When al-
ways shake the container as
the oil has a to settle.
@Shake the container u 11.)1 ouumv
<$ Add the remainder of the gasoline
@Once
container.
fuel Mixing Pl'ocE!I:h.me
To mix the and oil use a
separate container Never mix
in your snowmobile tank For
best results. two containers, ei-
ther or metal. Draw from one un-
til empty then use the second one.
Wamil'lg: Gasoline is fiamml3lble and
explosivG !.mder certain conditions.
A.lways perfeem proeedures in a well
ventilated erea. Do not smoke or al-
low open flames or sparks in tne vi-
cinity. If gasoline fumes are notioed
while driving, the ccu.lse snould be
determined and corrected withollt
deisy. Never add hu~1 While en~ine is
rUl'ining.
Never pi tank before
vMicllil in a warm area,At certain

OPSf8It!On or mechanism
n,j';,t,'nr: the handlebar several times
from side to side" or bind-
is "felt, check for ice or snow that
Traci" before first
Under certain climatic conditions the
track of a snowmobile left
overnicht rnav freeze to the
surface, make sure
Since mixed fuel has a to
the fuel in the
"'T~,,,r;;,,,., on the footboards and
vehicle from side to side
fuel 'rlilrlk OLI'U'ltit:v
Check that there is sufficient fuel in
tank for your
Jl\ habit to ac-
is to refill tank before ",t",rti,nn
out each
throttle
break-in. Continued wide
accelerations,
With Ski-Doo a
tne at full throttle. rv4anu-
iacturers recommendation Tor the
Bombardier-Rotax 0 to 5
hours
maximum throttle
However. brief fun accelerations and
variations
contribute to a
may be blockinc the mechanism
Aiter the break-in vve suggest
that '33Ch Sk1-[)OO snowmobile an
check. This is at
discretion and e,xpense
or the \'''6-
hicle
12

and
of a 'fouled
tools which the
vou should carrv
or defective
drivG belt.
In
manufacturer orovides
the fc!io\ivinc.
Tools: Genera!
able Wrench
ErrNi!lm€;rI~:V Materials
to those
Ahidden
situations are accepted
10 ddficuiti~as encountered on trai
can be fixeo on the spot. Howevere you
must carrv at least a minirnum assort-
ment of Tools and Spare Parts to enable
\/0 u to effect (ni nor
"fuel tank
ards VIj';th
an empty
miles trorn anvwhere, can
varvinq deqreesof inconvenience,
automobile .whicn has distinct
advantaqe that service stations are usual ..
distance], snowmobiles
spf.!cifiicaily dtH,i!~nlJ,d to travel off the
hi!~h\l\Ia''1$. When the unexpected happens,
the driver often has own
remove cable and/or
Re-check lever ope-
!~~ correct when
clearance from
throttle lever several times to
not return
Throttte mechanism should he
checked for
fni!e movement befom stall'til'!!l
Once all components am checked
you can start
yotlr SkH'Joo snowmobile.
check thaL ~t operates easi and smoothly
The throttle should return to the idle
the lever does

Up!'@! position
before starting
anglns.
LOWilf position
to stoP 0ngln~~"
not
try to start the
Release thmttle lever immedi€l<
after starts,
If wi!1
not start, check for possible
cause.
If cold is difficult to start, contin-
ued "hni--in" will lead to a "flooded"
condition.
If has started after the first
few trvs but aooears ready to start, return
choke to throttle
lever
4. Re!ease throttle and choke
im,m~~diiHl,!Y enqine has started.
5. Allow the to warm up before
at
full throttle.
at
vehicle
then
choke. (Choke is not necessary
is warmed
Test throttle
lever
manual starter handle and
until a resistance is felt then
will start. Allow
handle to return slowly to its po-
sition. does not start, repeat the
NeIJar run the
flPM when the track of
raised off the l:l"J''''''.
To start the engine:
Before the make sure the
kil] button is in the released upper
tion.
Note: Do not pull rope to its
fullest extent or auow startinq handle to
back" to its rlCl""n"" position.
14

Drive Belt Removal
. Tilt cab and
the driven
half and hold in
20 the bottom of belt in toward the
then slackened belt over
of driven
3. the from tne cnve
install, follow reverseprccedure.)
Never start or run the
witl"loYt drive ~it iilstaiiecl.
pin trorn
bracket.
Wllimil'lg: Never start the
te tile vooie!e without the
imrtalle,l,
Guard Removal
Tilt cab, out upper retaininc
remove nut.
ward. To remove cornoletelv
and
"
II
16
15
0'_' _
6
Hvdraullc Disc Brake
L4
L2 ChaincaseOil Level
15

'--~-~-,._-~~_.,--_._.
anddrive
toward
Tilt cab, remove
belt.
2. PUSl1
Wamin!j: Do not dissemble drive
or ill necessary,
your
Cl'lainc<ls® Oil level
Remove filler
case
6025.
Stlil,sriwltl Mechanism
bolts. Lubricate ski
until new greaseappears
6

COf1-
at least once
Inver" Close bleeder valve and allow brake
lever to return
4. Continue
lever ulltll the
tainer is
air free.
5. Disconnect bleeder hose;recheck brake
level and instal! reservoir cover.
of dirt or
fluid may consti-
reservoir leve!
1> Remove reservoir cover and
fluid level.
Note: Retain
out the; rn!!"""!,,n procedure.
done:
2, Connect ableeder drain to thf3 valve
and insert end of bleectt:i nose
container of brake
If reservoir
entered the system ('r~':"t;nl1
action, the
The
",,,,,·ti,·I,,,, into the
ttl'te system f!l!$hi!1~.
arid B i€ledirl;:l
hvdraulic brake ,
Ski-Doc" dealer. i;,Jever
obtained bV hi""",;",,,
check fluid leve~ fhandlebar to
and remove reservoir cover located
on handlebar. Fluid must reach top of
reservoir.
Caution: Use
available from
re-use brake
The brake mechanism on
bile is an essential
is mechanisrn in orooer ",,·,,·I.·;~,,~
tion. Above alii do 'not
snowmobile without 8f"8C:tl\,;e
system.
Brake hoses should be checked for aora-
sian and of !"""',d;~"'.
in the master
checked
'7

and connect wires.
Cal.ltiol1: If, when co-
you find that the is not run-
under ideal conditions, contact
your
authorized Ski-Doo" dealer,
1or
condi-
wires and rerno-
1" Disconnect spark
ve
2.
excessive
@Agrey insulator indicates a
lean mixture caused carburetor
mixture too
heat range, incorrect
or a seal or