Tag on engine reads T-640-10<br /> Tecumseh<br /> 7207412<br />1]Is there a cluch release that allows you to change from neutral to forward or is the gear stuck.<br />2]Prop gear is not engaging with gear on shaft.Gears apear to be fine.Last time ran started to wind and lost power to prop.What would cause this.<br />3]What year and are these numbers good referance to find manual and parts. thanks Fish