Originally Posted by dirttrackj

My belt keeps jumping also. Tried belt loose and tight made no difference. Put new tensioner pulleys on and it lasted about 6 minutes. I ordered new belt, covers, tensioners, bearings and pulleys as the last time it jumped off the front pulley I pinned it and melted the front pulley and cover. There is about 7 of these trucks at my track and mine is the only one with any belt problems. Something is wrong just don't know what yet. Hopefully since everything between the front and rear will be new the problem will go away...fingers crossed.