Polaris 2005 Fusion 900 Owner's Manual And Maintenance Information page 104

Track Maintenance
Track Tension
7. Tighten or loosen the track adjusting screws (E) to provide equal
adjustment on both sides of the track.
8. Repeat the measurement on the other side of the track.
NOTE: Check more frequently when the machine is new.
9. Start the machine and slowly rotate the track at least five
revolutions. Let the track come to a stop (do not apply brakes).
10. Check track alignment (see page 99) and adjust as necessary.
11. Tighten the locknuts (A).
12. Tighten the idler shaft bolts (D) and torque to 35 ft. lbs. (47.5 Nm).
MAINTENANCE
101