Example:
Cal ibration screw is set at position
4 and is changed to po sition 6. So
maximum engine RPM i s increased
by 400 RPM.
Adjustment
Just loosen loc king nut enough to
pull calibration screw partiall y out
and a djust to desired position . Do
not comp letely remove the lo cking
nut. Torque locking nuts to 10 N • m
(89 lbf•in).
CA UTION: Do not completely re-
move calibration screw otherwise
internal washers will fall off. Al -
ways adjust all 3 calibratio n sc rews
and make sure they are all s et to
thesameposition.
A16D0HA
1
TYP ICA L
1. Loosen just enough to permit rotating of
calibrate screw
WARNING
NEVER disassemble or modify the
drive pulley.
Improper assembly or m odifica-
tions could cause the pulley to
explode viole ntly under the stress
generated by the high rotational
speed. This could lead to serious
injury including the possibility of
death.
See your SKI-DOO deal er to ma in-
tain or service the drive pulley.
Improper servicing or mainte-
nance may affect performance
and reduce belt life. Always re-
spect mai ntenance schedules.
WARNING
NEVER operate engine:
– without shields and belt guard
securely installed
– with hood and/or side panels
opened or removed.
NEVER attempt to make adjust-
mentstomovingpartswhileen-
gine is running.
Track Condition
WARNING
Remove the tether c ord cap (DESS
key) before performing any main-
tenance or adjustment, unless oth-
erwise specified. Vehicle must be
parked in a safe place, away from
the trail.
Remove the tether cord cap (DESS
key).
Lift the rea r of the snowmobile and
support it with a wide-ba s e s nowmo-
bil e mechanical stand with a rear de-
flector pane l. W ith the engine off, ro-
tate the track by hand, a nd inspect
condition. If worn or cu t, or if track
fibers are ex pos ed, or if mi ssing or
defective inserts or guides are noted;
contact an authorize d SK I-DOO dealer.
88
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