The heater valve on my 1098 CG motor has a lever rather than the spigot handle. Is this correct for the motor. The one from my 948 engine has the spigot handle but the round handle is long gone. Are replacement parts available for just the handle and core or is a whole new valve required? Thanks. Phil Nase Quakertown, PA http://home.comcast.net/~philnasecpa