I bought a 2006 250ex and I need to change the piston rings ive never done this before so I was wanting to know if you guys now where I can get some info on how to do it and where to find the parts to do it ive found the new rings but I can find a new jug anywhere and the tools I need also ive had this atv covered with a tarp through out the winter do you think the motor is still good? I was going to pay to have this done but the atv place wanted to charge me 800.00 I think I can do it for around 400.00.