OK, the serial number on the power head does not match what is on the leg. If the motor otherwise looks like all of the parts match, then somebody switched the ID plates on you. Sorry, but you may have a stolen motor. Or it is a frankenmotor that somebody pieced together.no on round silver disk is c812825 /hope this helps
Power head got replaced sometime in the last 30 years.thanks,140 it is.why is there a difference in mod nos fm silver disk and transom tag .thanks guys