Grass Drag Set-Up - BOMBARDIER 1996 Ski-doo MX Z440 Handbook

Section 06 COMPETITION BULLETINS AND RACING PARTS
Q u a l i t y
S e r v i c e
Year month
day
D a t e : 1 9 9 3 0 9 2 2
Serial Nos. :All 3873,3874,3875,3893, 3894,
3897
WARNING : This information relates to the
preparation and use of snowmobiles in
competitive events. Bombardier Inc. disclaims
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).
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
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 MIO x 35 Screw (2)
P / N 570029100102 mm Idler Wheel (2)
Snowmobiles
MODELS : ALL FORMULA Z AND STX
Subject: Grass Drag Set-Up
P / N 405404600 Bearing (2)
P / N 371907600 Snap Ring (2)
If these idler wheels are not available, order :
P / N 572043500 Idler Wheel Ass'y (2)
I
Block (2)
Competition
Bulletin
9 4 4
no.
REAR PORTION OF SUSPENSION
Additional
I
b
idler
w h e e l s e t
06-15