Polaris trail boss 325, Owner'S Manual

Page: 165 / 189

154
MAINTENANCE
Adjustment Procedure
1. Loosen chain guide.
2. Loosen two eccentric lock-
ing bolts (2).
3. Loosen caliper mounting
bracket bolts located under
the axle.
4. Insert a pin punch through
the sprocket hub and into
the eccentric axle housing.
5. Roll the ATV forward or back
to adjust chain slack to the
proper tension.
6. Tighten caliper mount bolts
10-12 ft. lbs. (1.4 - 1.7 kg/m)
7. Tighten the eccentric locking
bolts to 30 ft. lbs. (9 kg/m) for
machines without the hitch
and 45 ft. lbs. (13.7 kg/m) for
machines with a hitch.
8. Remove pin punch.
9. Reinstall chain guard.
NOTE: Reposition chain guide
to allow 1/8
″
(.3 cm) clearance
between sprocket and guide.
Rear Drive Chain Adjustment
3
2
Proper Splice-
link Clip Open-
ing Position