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8n wont start

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hank n' tx

09-07-2004 18:09:15

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having problems with the 8n starting. seems like carb may be flooding. i took the carb apart and soaked it in cleaner all night and blew out all the ports with compressed air. i set the float at 1/4". put it back on and she fired almost as soon as i engaged the starter with no choke. she ran for about 10 minutes and died and i couldnt get her started again. i looked at the carb the next day and you could see some gas around it. i tried to start her and she wouldnt start. i also have a new sediment bowl which is also leaking. a week earlier she did the same thing. she fired right off with no choke. i killed it about 10 minut4es later and and tried to restrart and she wouldnt start. what do you suppose is going on with her. also any suggestion on the new fuel bowl leaking around the top of gasket. thanks for your time and suggestions. hank

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Rob N VA

09-07-2004 20:44:36

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 Re: 8n wont start in reply to hank n' tx, 09-07-2004 18:09:15  

Take care of the sediment bowl leak first. Those things can be really finikey. There is a nut on the back side of the screw knob that sometimes has to be tightened up, but if you go too tight, you can't turn the knob. You have to find the "happy medium" with that nut. The other happy medium is on the sediment bowl retaining screw and band (the one on the bottom). Too tight and gas won't flow. Too loose and and she'll leak. Leaks are really bad, as you can imagine. I would guess that the reason you are seeing gas around the carb when she dies is that you are trying to start it and it is flooding. I would also guess that the reason it is flooding is that it isn't firing. Why? From your description I am gonna put my money on the coil. When she gets hot the insulation in the coil melts down enough to short it out. When she cools down, she starts up again. The other thing you could try is jumpering around the key switch. Same reason, when it gets hot, it shorts out, and when it cools down, all is well. With all that is going on, I would throw a set of plugs in there too just for good measure. If that is the problem (likely not) it will drive you crazy. Please post back and let me know what you find out. Hope I helped a little---Rob

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09-07-2004 18:22:29

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 Re: 8n wont start in reply to hank n' tx, 09-07-2004 18:09:15  
If it came with a cork gasket.. I'm not really impressed with them. A neophrene one or even a gasket paper one works better.

When it quits.. see if you can get gas flow at the bottom of the carb? If not take your gas cap off.. might have a vacume drawn.

If gas flows good before you remove the cap.. check for spark.. if gas flows good after you remove the cap.. try to restart and see if the vacume was the problem.


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