Originally Posted by rcompart
Pull the belt off and spin the idler pulleys and see if they feel nice and free or if they have a noticeable catch or wobble to them. If they are going out, give Rob @ NeedsWings a shout for his pulley saver kit. It will be about the same price as replacing the idler pulleys but if you don't already have a performance pulley (either crank or SC) when you get one, it's a matter of changing out the belt and you're ready to go with more belt wrap on the pulley and good gates pulleys without any worry of those going out in the next decade. LOL It's a pretty trick setup for the price.
Good luck and take care
Already got one coming in the mail