BOMBARDIER 1996 Ski-doo MX Z440 Handbook page 275

Section 06 COMPETITION BULLETINS AND RACING PARTS
Year month
Date: 1993 09
Serial nos. : All 3797/ 3863 Models
WARNING : This information relates to the
preparation and use of snowmobiles in
competitive events. Bombardier Inc. disclaims
liability for all damages and /or injuries result-
ing from the improper use of the contents. We
strongly recommend that these modifications
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 sanctioned rac-
ing events under existing federal, provincial
and state regulations.
CHASSIS PREPARATION
REAR SUSPENSION
Reduce slide thickness to 3 mm (1/8 in).
Add additional idler wheels at front:
P/N 503099600
P/N 503129700
P/N 222982565
P/N 228781045
P/N 222007565
P/N 222501045
P/N 503032900
06-18
Snowmobiles
Q u a l i t y
S e r v i c e
k
13
141 mm idler wheel (2)
Aluminum block (2)
M8 Allen screw (2)
M8 flanged nut 2)
Ml O x 75 screw (2)
MIO flanged nut (2)
Ml O washer (2)
Competition
Bulletin
MODELS : All 1993 FORMULA MACH 1
ALL 1994 MACH 1
Subject: Grass Drag Set-Up
FRONT PORTION OF SUSPENSION
Keep 5 mm (3/16 in)
between idler wheels
A024 0+35 030
Install an additional idler wheel set at rear as illus-
trated.
Idler wheel set includes:
P/N 486056100 Aluminum block (2)
P/N 486056000 Axle
P/N 486057000
Sleeve (2)
P/N 224781140
M8 lock washer (2)
P / N 222982565 Screw M8 (2)
P/N 224001211 Flat washer(2)
P/N 224701140 Lock washer (2)
Screw Ml O x 35 (2)
P/N 222903565
P/N 570029100 Idler wheel 102 mm (2)
P/N 405404600 Bearing (2)
P/N 371907600 Snap ring (2)
If these idler wheels are not available, order:
Idler wheel ass'y (2)
P/N 572043500
94-3
no.