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Tractor Talk Discussion Forum

8n trouble

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sigmon

09-03-2005 20:34:22




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Had my 52 8n rebuilt. It has a slight miss in it and does not run more than 5 minutes under load of bush hog. I can sometimes choke it and keep it running.




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Bob

09-03-2005 21:15:55




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 Re: 8n trouble in reply to sigmon, 09-03-2005 20:34:22  
It's either an ignition problem, switch, coil or condenser heating up and failing 'til it cools, or a gas flow problem. There are 3 screens in the fuel system, and all need to be present and clean.

You need to help us out a bit by doing some troubleshooting. Use a spark tester with a good, wide gap, like about .060" to .080". When it gets warmed up and cranky, check the spark. If it has a hot, blue spark that jumps the tester's wide gap, likely you have fuel problems.

If you have a wimpy little spark, or no spark, likely some ignition troubleshooting is needed.

Post back with the results of your "failure mode" spark test!

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old

09-03-2005 21:11:43




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 Re: 8n trouble in reply to sigmon, 09-03-2005 20:34:22  
Almost any time that you choke it to keep it running it means you have fuel/carb problems



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