It's pretty easy to change the belt on an auto equipped a/c. You gotta pull off the belt housing. Then using one of the belt housing bolts, thread it into the hole on the pulley closer to the rear of the bike. This will open up the pulley. You can then slide the belt on the two pullies. Take the bolt out and your belt is tight. Replace your belt housing cover, being careful to place the seal correctly so it will stay water-tight.