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Section 05
TRANSMISSION
Subsection 03
(DRIVE PULLEY)
05-03-2
GENERAL
Some drive pulley components (return spring,
ramp) can be changed to improve vehicle perfor-
mance in high altitude regions. The
High Altitude
and Sea Level Technical Data Booklet (P/N 484
0686 00 and 484 0545 00 for binder) gives infor-
mation about calibration according to altitude.
NOTE:
TRA clutch stands for Total Range Adjust-
able clutch.
REMOVAL
30,31, Conical Spring Washer and
Screw
Use clutch holder (P/N 529 0064 00).
TYPICAL
1. Retaining screw
2. Insert in any slot
NOTE:
Sliding half can be removed while fixed
half remains on crankshaft.
Remove retaining screw.
To remove drive pulley ass’y and/or fixed half from
engine, use puller (P/N 529 0079 00) for 443, 503
and 583 engines. Use puller (P/N 529 0224 00) for
494 and 670 engines.
To Remove Drive Pulley Ass’y:
Retain drive pulley with clutch holder.
Install puller in pulley shaft then tighten.
-
CAUTION
Such modifications should only be per-
formed by experienced mechanics since
they can greatly affect vehicle performance.
Verify spring specifications before installa-
tion. Do not only refer to the spring color
code.
◆
WARNING
Any drive pulley repairs must be performed
by an authorized Bombardier snowmobile
dealer, or other such qualified person. Sub-
component installation and assembly toler-
ances require strict adherence to procedures
detailed.
◆
WARNING
Never use any type of impact wrench at
drive pulley removal and installation.
-
CAUTION
These pulleys have metric threads. Do not
use imperial threads puller. Always tighten
puller by hand to ensure that the drive pulley
has the same type of threads (metric vs im-
perial) prior to fully tightening.
A20D06A
2
529 0064 00
1
Summary of Contents for Formula 500 1998
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Page 358: ...SKANDIC WT SWT ANNEX 1 ...
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Page 364: ...MX Z440 ANNEX 3 ...
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Page 369: ...MX Z 500 583 670 ANNEX 4 ...
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Page 374: ...FORMULA Z 583 670 ANNEX 5 ...
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Page 380: ...FORMULA 500 DL 583 DL ANNEX 6 ...
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Page 386: ...FORMULA 500 SUMMIT 500 583 670 ANNEX 7 ...
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Page 392: ...GRAND TOURING 500 583 ANNEX 8 ...
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