BOMBARDIER 1996 Ski-doo MX Z440 Handbook page 283

Section 06 COMPETITION BULLETINS AND RACING PARTS
Year month
Date: 1993 11
Serial nos.: All 3845
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 u-nderstood
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).
Replace all four original 135 mm idler wheels at
front with 141 mm idler wheels (P/N 5030996
00).
Install two additional idler wheel sets, one at front
and one at rear as illustrated.
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 M8 Screw (2)
P / N 224001211 Flat Washer (2)
P / N 224701170 Lock Washer (2)
P / N 222903565 Ml O x 35 Screw (2)
P / N 570029100 Idler Wheel (2)
06-26
Snowmobiles
Service
day
05
Competition
Bulletin
MODELS : All 1993 FORMULA MACH Z
Subject: Grass Drag Set-Up
P / N 405404600 Bearing (2)
P / N 371907600 Snap Ring (2)
If these idler wheels ass'y are not available,
order:
P / N 570043500102 mm Idler Wheel Ass'y (2)
REAR PORTION OF SUSPENSION
I
I
AO06 005045
94-1
no.
Additional idler
wheel set