223 Simple carb problem
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223 Simple carb problem
I must be losing my touch. Fuel pump is getting fuel to the carb. But I can't seem to get the bowl full. It will start and run for 5 seconds and then run out of fuel. The needle and seat are clean. I have had it apart several times, and I'll be if I see what the trouble is. Help?
It starts back up after it dies ok, and then gives me 5 more seconds. Mostly with the choke on.
It starts back up after it dies ok, and then gives me 5 more seconds. Mostly with the choke on.
Posting Guru
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Are you absolutely sure your pump is keeping up? Unhook the fuel line from the carb and add a piece of fuel line to it and run it into a bottle. Crank the motor and take note on volume. If you should have a tester, check the pressure.
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Any more help?
Again: Pump delivers plenty of fuel into a container when cranking. Starts and runs for 3 seconds, then dies. Take top of carb off, and very little gasoline in the bowl.
Inlet/needle/seat are clear. Can my float possibly be THAT far out of adjustment? Only let's 3/16" of fuel into bottom of bowl?
Again: Pump delivers plenty of fuel into a container when cranking. Starts and runs for 3 seconds, then dies. Take top of carb off, and very little gasoline in the bowl.
Inlet/needle/seat are clear. Can my float possibly be THAT far out of adjustment? Only let's 3/16" of fuel into bottom of bowl?
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That was my first thought. But that would cause the fuel level to be HIGH in the bowl. This carb (Model F1 with hand choke) has no site glass that I see.
Lead Gopher
Joined: Aug 2012
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From: Seattle
Ya, I added a sentence questioning if a sunk float would overfill rather than under fill. Good luck!
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That's possible. It sure moves freely when it is out though. I will check float level tonight as an easy one. I will have those screws worn out by the time I figure this out.
By the way: Love your thread on your truck! Very cool!
By the way: Love your thread on your truck! Very cool!
Post Fiend
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From: Philly Suburbs, PA
thanks man. it's a slow motion fix up!
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I'm back to scratching my head. Now I have the opposite trouble. It will run well for a while, then like flipping a switch it will be flooding. I figured something in the seat or the needle hung up or a hole in the float. So I pull it apart, and find nothing. OK. So finally put it together again and it runs well, for a day....then back to flooding. What the? I'm wearing out the threads on these screws at this point. LOL. Standard equipment for going for a ride is now a screwdriver, rag and wrench for the fuel line. What am I overlooking on this darned thing? I just need a little more reliability out of this to make it fun to take to town more often.
Laughing Gas
Joined: Sep 2012
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From: Asheville, NC
Maybe the fuel pump output pressure is too high (if it has been replaced recently); overcoming the needle and seat and forcing too much fuel into carb. Going to have to find a pressure gauge to check though. I would think 5 to 6 psi would be the correct output.
The only thing else I can think of would be too much pressure in the tank; but that should have been more problematic in hotter weather.
The only thing else I can think of would be too much pressure in the tank; but that should have been more problematic in hotter weather.