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Rear Drive Chain Tension Adjustment
MAINTENANCE
Drive Chain
NOTE: On models with concentric swingarm (such as 1998 Scramblers), chain tension can be measured
at any point in the swingarm arc. It is not necessary to compress the suspension on concentric models
(as shown below). Refer to page 2.37a for drive chain adjustment procedure on concentric swingarm
models.
Never adjust or operate the vehicle
with the rear drive chain too loose or
too tight as severe damage to the
transmission and drive components
can result.
Check the amount of chain slack by
moving the vehicle slightly forward
to gain slack at the top side of the
rear chain. Collapse the suspension
by using an adjustable (buckle type)
trailer tie down. Fasten the strap
around the axle and rear bumper
tube. Tighten until a straight line (A)
can be drawn from the axle to the
transmission output shaft intersect-
ing the swing arm pivot. If the chain
needs adjustment, use the following
procedure.
IMPORTANT: Suspension must be compressed as shown to
check drive chain tension (except concentric swingarm models).
1.
Loosen chain guard.
2.
Loosen two eccentric locking bolts.
3.
Insert a pin punch through the sprocket hub and into
the eccentric axle housing.
4.
Roll the vehicle ahead or back to adjust chain slack
to 1/4 inch (6mm) in the center of the chain as shown
above.
5.
Tighten the eccentric locking bolts to 60 ft. Ibs. (8.3
kg-m).
Re~check
chain deflection measurement.
6.
Reinstall chain guard.
7.
Adjust stone guard to allow
1/8/1
clearance between
sprocket and guide.
Polaris Industries Inc.
2.37
L
Step3
F-~
I
Step 2
Rear Drive Chain Adjustment
5/98
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