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8183T Not Starting After Smoking After Short Run

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#1 DonaldO OFFLINE  

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Posted July 21, 2013 - 06:55 PM

We have an 8183T with the ONAN ENGINE after running good for thirty years it is now giving up the ghost.  We replaced the oil pump (after looking all over for a replacement) then this spring it ran for about an hour and started smoking badly.  I parked it and the next day tried to start it but there doesn't seem to be any spark.  Could it be a bad coil and if so are we finished as parts don't seem to be available for the ONAN.

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#2 KennyP OFFLINE  



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Posted July 21, 2013 - 07:08 PM

Which Onan is this? There are still parts available to rebuild most Onan's. Just not cheap!

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#3 larryd OFFLINE  

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Posted July 21, 2013 - 08:45 PM

Could be it lost compression



#4 superaben OFFLINE  


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Posted July 21, 2013 - 08:54 PM

Welcome to the forum!


Don't give up on the old Onan yet.  Gravely always picked a good brand for their machines. 


I imagine, unless you have already tested by isolating the coil from the ground wire, you have a tractor problem: there's always a good chance for a bad safety switch of some sort. 


Ben W.



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Posted July 21, 2013 - 11:03 PM

There are lots of reasons for lost spark, and even if you have a bad module, there are some aftermarket/retrofit ideas.
A model of onan will help the guru's
Good luck