We have a Murray Lawn Tractor, model # 4576X92B, we paid for a major overhaul last spring and it was running great when stored for the winter, now it won't turn over, we replaced the battery, because it doesn't even try to turn over... can you help us out with what the problem would be?

We have a Murray Lawn Tractor, model #42576X92B, last spring we had the a major overhaul on the tractor, and it was running great when stored for the winter, now it won't even attempt to turn over, we replaced the battery and still nothing...