Polaris Trailboss 7174820 Owner's Manual page 79

MAINTENANCE AND LUBRICATION
Rear Drive Chain Slack
6. Roll the ATV forward or backward
to adjust the chain slack to the
proper tension. See the illustration
for proper splice link clip opening
position (1).
7. Tighten the eccentric locking bolts
to 30 ft. lbs. (41 Nm) for machines
without the hitch and 45 ft. lbs. (61
Nm) for machines with a hitch.
8. Tighten the caliper mounting bolt to 15 ft. lbs. (20 Nm)
9. Remove the pin punch.
10. Roll the ATV forward, checking chain tension in several places
around the chain.
NOTE: The chain is adjusted correctly when the tightest portion of
the chain has approximately 3/8" (10mm) deflection.
11. Position the chain guide to allow 1/8" (3mm) clearance and tighten
the retaining bolt to 5 ft. lbs. (7 Nm).
12. Reinstall the chain guard if applicable.
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