Swampy, I'm glad you mention helmet. If you noticed my buddy(not the brightest bulb on the tree) for 2 days refused to wear a helmet and this was the 1st time ever to ride an ATV. Well at the end of day 2 he was following my daughter and I on the trails. We both looked back to make sure we didn't loose him. After we made a sharp turn We stopped and waited him but he never showed up. We turned around to go look for him. when we got to the curve we stopped and turned off the engine and started calling for him. Well needless to say he was at the bottom of a riverbed about 40 ft down. I got to the bottom and asked him what happened. He said the chain came off right before the turn and he panicked and couldn't stop. He had scrapes all on his face and arms from going through the bushes. Needless to say he wore his helmet after that.
He was lucky. I popped the chain back on and drove it back up the hill for him.