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Old 06-15-2014, 08:42 PM   #1
Join Date: Jul 2013
Posts: 46
Onan Generator too hot???

I have had my bounder for a couple of years now and basically other than exercise I rarely run the generator. Onan 4KY series Microquiet I recently had a problem that turned out to be a pin hole in fuel line.

After I repaired this I started generator and let it run for a few hours with A/C running. The generator never faltered but with this issue I'm not sure if I have a problem or not.

The Outside housing (The green Shell)of generator will get very hot to the touch .I have removed the generator and checked all air passage and checked to make sure engine wasn't running lean. All heat shield are in place and exhaust has no restrictions.

On several occasions I have run generator while driving to run house air but never thought to check to see how hot it was.

Is this normal ,I hoping others with this type generator can shed some insight on this.
I have googled this and read all owners and service manuals but cannot find anything on temperature.

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Old 06-15-2014, 09:41 PM   #2
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Join Date: May 2014
Posts: 808
Yes sir, it will get hot, even with the heat pads in place. Be careful where you touch it. This is normal, and if it were to get too hot, most of the time it would have vapor locked either the fuel, carburetor, or both before you did any permanent damage to the engine or gen section. If run mine on the highway on trips also with no issues. Do be careful not to park and run it over tall dry grass.
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