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Ford 8N Tractor - Page 2 Questions & Answers
Why does my 8N Ford tractor die at about half throttle?
Sounds like it might be starved for either air or fuel. Have you made sure there is full gas flow from the tank to the carb? Also recheck the needle valve regulating gas flow into the carb. May be that a speck of trash is partially plugging that flow to carb. Should have in-line fuel filter (add on) in addition to the bowl 'filter
I HAVE AN ENGINE THAT HAS FRESH FUEL AND TURNS OVER BUT WILL NOT START
Check these: Make sure fuel is flowing out the hose connected to, at the carburetor. Take a spark plug lose, reconnect it to the spark wire. Lay it on the motor and crank the motor. Is it showing a spark spark spark pattern? Is clean fuel in the carb bowl? Deeper checks would be a carburetor clean - where air is blown thru all jets - showing fuel will flow in them to the motor. Take a product like Mega Power and pour some in the oil and in the air intake to help produce a piston seal and suction - which they lose over time, to draw in fuel properly. Hope this helps.
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When I push and hold the start button the tractor starts and stays running, if I release the start button it shuts off, if I remove the wire to the solenoid relay it stays running
It sounds like a "Load Resistor" problem, not sure if you have this type of starting system. The load resistor is in the wiring that goes to your coil after the engine has started. It is bypassed when starting to offset the loss of voltage when the starter is engaged and turning over the engine, then after the engine has started the "Load Resistor" is again in series with the points dropping the voltage slightly and providing longer point life. If this resistor burns out then you would be able to start the tractor but as soon as you released the starter foot switch the points/distributor would no longer have voltage. The Load Resistor is a large gray, brown or white colored rectangle ( 3" long and about 1/2wide aprx.) mounted on the back side of your dash panel....
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