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#1
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Ok. Lets see who knows the answer to this. My 982 seems to sputter and shuts down when the engine warms up. Its has a Kohler 18 magnum in it so its single state. I replaced the stator coil, rebuilt the carb, put new fuel lines in new fuel filter new gas tank shutoff new plugs. When it is going to shut down i pull the choke out which seems revive it for a bit then eventually quits. I notice the fuel filter is only about half full after shutdown which indicates its not getting enough fuel? Someone suggested its vaporlocking?
Scott |
#2
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Is the gas cap supposed to vented? If so, did you check to make sure it wasn't clogged?
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#3
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Scott |
#4
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Is the fuel filter in the correct way? ( there are arrows showing fuel flow direction )
As far as the vapor lock issue. Is it routed exactly as factory and are all heat shields in place? |
#5
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It's not single state, it's solid state ignition. Why did you replace the stator? That is only for charging. Solid state ignition doesn't use the stator for anything. It's common for the fuel filter to not be completely full. Does it still have a fuel pump? Sound like a bad magneto to me. But better check to make sure it's losing fire and not fuel. These mags are so simple. I don't understand why people struggle with them. No points, needs no electricity to run. Just gas and a good spark. Your losing one or the other, figure out which one. ![]() |
#6
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#7
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If it has a new mag, and good spark, then it can only be one thing. Fuel. Take the carb off and disassemble it. It must be plugged. I know, you "rebuilt" it. But that doesn't mean anything. If the fuel pump is in deed failing it will send pieces of the diaphragm into the carb and plug the jet. Seen it before. IDK if the fuel pump is bad, test it. You can gravity feed this engine if necessary. Did you try running it with a full tank of fuel? The fuel pump is only really needed when the fuel level gets below carb level. |
#8
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Scott |
#9
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Run a fuel line from your tank directly to the carb,[that bypasses the fuel pump],fill your tank to at least 3/4s full and see if it will run, if it runs good this way your pump is probably bad.
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#10
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There are several ways to test a fuel pump. IMHO, best was is a small container of fuel. Take both lines off the pump, put longer fuel lines on the pump and set the container lower than the pump. Crank the engine with the suction hose in the fuel, and holding the other one so you can see if it pumps fuel. It will take a few seconds for it to prime, but it should pump fuel. If you are just bypassing it to test, no you don't have to cap the pump. If you are taking it out of the system and using a different pump (don't know why you would) then I would take it off the block completely, and put a plate over it. Why on earth would you use a briggs fuel pump? The Kohler ones are still available. If you don't like the price there are others. Some have had bad experiences with aftermarket pumps. I have used both Kohler and aftermarket. Kohler lasts longer. It's worth the $70. |
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