On the fuel pump,,short hose and small can of gas hooked to tank side of pump line removed from carb turn over if pump working you will have fuel at carb if not pump or cam bad,,if fuel at carb from can then...blow into tank with shop air use rag to seal opening around blower fuel should run at pump end of line if not tank empty or line plugged..on gauge ,,tank wire grounded read the not grounded and read if gauge travel full sweep tank unit bad if not dash unit or wiring..doc
