Polaris MATRIX INDY VR1 Series Owner's Manual page 174

MAINTENANCE
6. Loosen the rear idler shaft bolt.
7. Loosen the locknuts.
8. Tighten or loosen the track adjusting screws to provide equal adjustment on
both sides of the track.
9. Repeat the measurement on the other side of the track.
Check more frequently when the snowmobile is new.
10. Start the engine and slowly rotate the track at least five revolutions. Let the
track come to a stop (do not apply brakes).
11. Check track alignment (see page 173) and adjust as necessary.
12. Tighten the locknuts.
13. Tighten the idler shaft bolt.
172
TIP
TORQUE
Idler Shaft Bolt
35 ft-lbs (47.5 N·m)