Low cranking voltage at the coil can cause this difficulty. Low coil voltage at startup can be caused by several things. A battery that drops voltage when subjected to starter motor load. Voltage across the battery terminal studs while cranking should stay above 5 volts. If lower, there will not be enough to fire the plugs. Voltage can also be lost in a failing battery terminal connections, or small battery cables. Cable size should be 1-O (big as a 1st grade pencil) copper wire. 6 volt systems require 2X the amps that 12v does. Internally corroded wires are also a source of voltage loss. This can be invisible, and found by feeling the cables after cranking for heat all along them. Failing ignition switch connections, or the switch contacts can lower coil voltage as well. To check this jump from the non-grounded battery terminal directly to the switch side of the coil and give it a start. if it fires easily, the switch, connections, or wires could be suspect. Good luck with a repair, and let us know what you find. Jim
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Today's Featured Article - Storing Your Tractor - by Staff. If your tractor is going to be stored for any length of time, a few precautionary measures are helpful in preserving various parts, also in avoiding future difficulty. Store tractor under cover. If impossible to place tractor under cover, be sure to cover air stack and exhaust pipe. Drain radiator and engine block. To avoid gum content collections, drain both fuel tanks and carburetor. Leave radiator and fuel caps slightly loose to protect gaskets. Block tractor up to remove weight from tires and to keep tires from contact with moist floor.
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