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I looked but did not see a model number there.All engine number are located above the Spartan plug wire on the shroud. I have found no records of a Chieftair mower.
no spark most likely., or it could even be a bad spark plug. try dumping a small amount of gas (a tablespoon or so) into the spark plug hole, reinstall the plug and try to start.Found it very faintly stamped model 110902. Not sure if I can get it to run or not. I cleaned the plug, changed the oil, cleaned the carb, and it won't even burn gas poured directly into the carb.
OK, but I dumped gas in the carb and it won't burn. I think I'll check spark/ignition coil first, but keep the diaphragm on the list.On that engine you are going to have to replace the pump diagram between the carb and tank if it has been sitting for a while. This manual may be of some help. You will find the type and code numbers next to the model number you found. https://docs.google.com/open?id=0B6NaqjIxWV1ycG8wd0s3Z2Q2X00