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Tool Talk Discussion Forum

Re: Onan generator mocroquite 4000

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Billy Shafer

10-31-2012 15:54:24

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First don't take it to an Onan dealer unless you just have to. Most things you can fix yourself.
1 See if it is producing AC voltage when it is running. If it is then you need to check out the carb. The carbs on this unit would varnish up very fast if not run often.
2 The shut off valve under the carb is working if it runs at all. It runs off of the ignition system.
3 About how long does it run.
4 Most people have had good luck with cleaning them. Just be careful with gaskets. As there are no kits available that I know of.
5 If you do need a new carb. Try ebay or smokstak Onan section

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Matt S Illinios

11-01-2012 04:49:43

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 Re: Onan generator mocroquite 4000 in reply to Billy Shafer, 10-31-2012 15:54:24  
When it starts it only runs for a very short time. Like maybe seconds. So I am thinking dirty or the electronic fuel shutoff on carb. will try and look at it tonight, hopefully if wife doesn't have other plans for me.

Thanks for all your help guys.

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