2007 Arctic Cat Four-Stroke Factory Service Manual, Page 125Get this manual
ADJUSTING BELT TENSON
1Remove the cap screws securing the belt guard to the engine; then remove the belt guard from the engine compartment2On the alternator, loosen, but do not remove, the adjustment cap screw (A) and the pivot cap screw (B)
3Insert wooden pry bar (such as hammer handle) between the engine and the alternator, pry the alternator away from the engine, and tighten the accessory belt4When the accessory belt is tensioned properly (see Checking Tension in this sub-section), tighten the adjustment screw (A) to 2.2 kg-m (16 ft-lb)5Tighten the pivot cap screw (B) to 5.1 kg-m (37 ft-lb)6Place the belt guard into position and secure with the cap screws