Thanks Bruce for the welcome and advice. My nephew was on the little ride on and came home saying that it wasn't running right. He had been doing mowing on a vicous slope near a table drain which is an area I never do because of the angle of the engine. I have always been a very gentle mowergirl with the colt. Steady revs etc,. Everytime on of the "boys jump on her a blade gets broken off, or a belt lets go or she gets a flat tyre. You just can't tell them to go easy and she will be a loyal and faithful servant. Alas!!!!