BOMBARDIER 1996 Ski-doo MX Z440 User manual

1996 RACER HANDBOOK
TABLE OF CONTENTS
HOW TO COMMUNICATE ● mmmmmmmmmmmmmmmmm ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 01-3
WHATS NEW FOR 1996 ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ mmmmmmmmmmmmammmmm ● m
02-1
CHASSIS PREPARATION ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ mmmmmm=mmmmmmmmmmm ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 9 03-1
ENGINE PREPARATION ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 04-1
TRANSMISSION SYSTEM ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ● mmmmmmmmmmmmmmmmmm ■ mmmmammmmmmmmmmm 05-1
COMPETITION BULLETINS - RACING PARTS . . . . . . . . . . . . . . . . . . . . . . 06-1
COMPETITION PREPARATION
■ mmmmmmm mmmmmmm mmmmm9m mmmmmmm mmmmmmmmmmmmmmmmmm
07-1
+
WARNING : This information relates to the preparation and use of snowmobiles in
competitive events. Bombardier Inc. disclaims liability for all damages and / or injuries
resulting from the improper use of the contents. We strongly recommend that these modifica-
tions be carried out and / or verified by a highly-skilled professional racing mechanic. It is
understood that racing or modifications of any Bombardier-made snowmobile voids the vehicle
warranty and that such modifications may render use of the vehicle illegal in other than sanc-
tioned racing events under existing federal, provincial and state regulations.
KEEPING YOUR MACHINE LEGAL IS YOUR RESPONSIBILITY
Read and know your rule books.
01-1

Section 01 HOW TO COMMUNICATE
If you have any suggestions on new information and ideas to improve next year’s handbook,
including any errors or omissions, please mail or fax to;
Ski
Doo Race Department
Bombardier Corp.,
PO BOX 8035
Wausau, Wise.
54402-8035.
For additional information or to pass on your feedback and suggestions please contact the
following people (by fax only) using the racer report format.
Your information is important to us
Ovals, Drags, Speed runs
Bill Rader Phone hotline [phone]
Fax hotline [phone]
Mountain, hill climb, deep snow
Mark Thompson
Fax hotline [phone]
Cross-Country, Sno Cross
Bill
Rader
Phone hotline [phone]
Fax hotline [phone]
To ensure timely and accurate response to questions we will respond by fax, whenever possible.
A wide range of excellent publications and special tools are available to support your racing
activities.
See Section 06-1, Competition bulletins-racing parts, useful publications.
NOTE : Order all items through your local Ski
Doo dealer.
01-3

Section 01 HOW TO COMMUNICATE
12
B
OVAL,
AITN :
FAX : [phone]
Date :
Driver Name : Driver Phone
RAGS, RADAR RUNS
II Rader
.
.
Dealership Name : Dealer Phone Number :
Vehicle Type :
Odometer Reading : Serial Number:
Race Type :
Class :
Location : Finish Position :
Temperature : Altitude : Main Jet :
Surface Conditions :
Top Speed Observed :
RPM Observed :
OPTIONAL :
TRA: Spring : DRIVEN : Spring :
Ramps : Cam :
Adjuster Position : Pre-Load :
Pins : CHAINCASE Top :
GEARING :
Arm Type : Bottom :
LIST PROBLEMS OBSERVED AND RECOMMENDED SOLUTIONS OR SUGGESTIONS,
PLEASE INCLUDE SKETCHES :
“Your information is important to us”.
01-4

Section 01 HOW TO COMMUNICATE
MOUNTAIN
HILLCLIMB,
AITN : Mark Thompson
FAX : [phone]
Date :
Driver Name : Driver Phone Number :
Dealership Name : Dealer Phone Number :
Vehicle Type : Odometer Reading : Serial Number :
Race Type : Class :
Location : Finish Position :
Temperature : Altitude : Main Jet :
Surface Conditions :
Top Speed Observed : RPM Observed :
OPTIONAL :
TRA : Spring :
DRIVEN : Spring :
Ramps : Cam :
Adjuster Position :
Pre-Load :
Pins :
CHAINCASE Top :
GEARING :
Arm Type : Bottom :
LIST PROBLEMS OBSERVED AND RECOMMENDED SOLUTIONS OR SUGGESTIONS,
PLEASE INCLUDE SKETCHES :
“Your information is important to us”.
01-5

Section 01 HOW TO COMMUNICATE
CROSS-COUNTRY, SNO CROSS
ATTN : Bill Rader
FAX : [phone]
Date :
Driver Name :
Driver Phone Number:
Dealership Name : Dealer Phone Number :
Vehicle Type : Odometer Reading : Serial Number:
Race Type : Class :
Location :
Finish Position :
Temperature :
Altitude : Main Jet :
Surface Conditions :
Top Speed Observed :
RPM Observed :
OPTIONAL :
TRA : Spring :
DRIVEN : Spring :
Ramps :
Cam :
Adjuster Position :
Pre-Load :
Pins : CHAINCASE Top :
GEARING :
Arm Type :
Bottom :
LIST PROBLEMS OBSERVED AND RECOMMENDED SOLUTIONS OR SUGGESTIONS,
PLEASE INCLUDE SKETCHES :
“Your information is important to us”.
01-6

Section 02 WHATS NEW FOR 1996
Table of Contents
MX Z 440 m.. ,.. ,.. .,. ,., ,,, ,,. `,, .,. ,,. ,,m. .,, ,., .,, ,,. ... .,. ,,. .., ,.. .., .,, .., ,,. .,, .,. .., ...
m
.. ... .mmmmm. m.mm.
mm
02-3
MX Z 583 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-3
SUMMIT 670 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-4
FORMULA SS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-5
SUMMIT 583 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-6
FORMULA Ill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-7
FORMULA SLS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-8
GRAND TOURING 500 . . . . . . . . . . . . . . . . . .m. ... ... ... .m. m.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-8
SUMMIT 500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-8
GRAND TOURING 580 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-8
FORMULA STX, STX LT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-8
GRAND TOURING SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
02-9
MACH 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .m. ... ... m.. .. m... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-9
FORMULA SLS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-10
GRAND TOURING 500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
02-10
SUMMIT 500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-10
GRAND TOURING 580
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-10
FORMULA STX
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-11
FORMULA STX LT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-11
GRAND TOURING SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-11
MACH 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-11
02-1

Section 02 WHATS NEW FOR 1996
@ Engine speed at which maximum power is achieved. BTDC: Before Top Dead Center
@ At 6000 RPM (engine cold) with headlamp turned on. ATDC : After Top Dead Center
@ Force applied midway between pulleys to obtain specified deflection.
PTO : Power Take OFF side
MAG : Magneto side
02-3

Section 02 WHATS NEW FOR 1996
A dot (0) on right indicates changes from 1995 model.
8
0
0
0
4
MODEL SUMMIT 670
Ermine Tv~e
I
670
Maximum
HP RPM 0
RPM I 7600-7800
Rotary Valve
P/N
Opening (BTDC) /
420924500
Closing (ATDC)
144° J 72°
Carburetor Type
PTO VM 40-81
MAG VM 40-82
●
Main Jet
PTO 380 MAG 370 ●
Needle Jet 224 AA -2
●
Pilot Jet I
75
Needle Identification
–
cliD r30sition
7DP11 -3
●
Slide Cut-away
2.5
Float Adjustment
mm (in) 19.6 (.77)
Air Screw Adjustment
~ 1/16 turn
2.25 ●
Idle %eed
RPM
1800-2000
Gas Grade / Pump Octane Number (R + M)/ 2 Unleaded /87
Gas / Oil Ratio
Oil Iniection
Ignition Timing BTDC @
mm (in) 1.93 (.076)
Trigger Coil Air-Gap
mm 0.55-1.45
(in) (.022 - .057)
Gear Ratio
teeth I
23/44
Engagement Speed RPM 3800-4000
Drive Pulley Calibration Screw Position See label on belt guard
Pulley Distance z
(+ 0,- 1) mm
16.5
(+ 0,- 1/32 in)
(21/32)
Offset
x
* ().4 mm
35.0
(t 1/64 in) (1 -3/8)
Y
Dimension Y must exceed X from
1 mm (1/32 in) to 2 mm (5/64 in)
Drive Belt Adjustment
I
Deflection mm
(in)
I
(1-:;4 )
I Force@
Iw (Ibf) I
6.8 (15)
Driven Pulley Preload
kg (Ibf) 5.4 to 6.8 (12 to 15)
Drive Chain Tension
Fully tighten adjusting screw by hand then back OFF
only far enough for hair pin installation
Track Adjustment Deflection
mm
45 to 50 (1-3/4 -2)
(in) with a 7.3 kg (16 lb) downward pull
qNOTE : See end of specifications for foot notes.
0 Engine speed at which maximum power is achieved.
@ At 6000 RPM (engine cold) with headlamp turned on.
@ Force applied midway between pulleys to obtain specified deflection.
~ H.A.C. : High Altitude Compensator.
BTDC: Before Top Dead Center
ATDC: After Top Dead Center
PTO: Power Take OFF side
MAG : Magneto side
02-4

Section 02 WHATS NEW FOR 1996
A dot (o) on right indicates changes from 1995 model.
o
NOTE : See end of specifications for foot notes.
02-5