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I have a Honda gx 390 that powers a generator, it starts and runs fine for about 25 minutes and then just cuts out, as though I have switched it off. I have to wait a couple of hours before it starts again, starting is easy and it runs beautifully for 25 mins ....... I have changed the oil, there is a low oil warning cutout fitted. If there is too much oil in the engine would this cause the engine to cut out ?

Posted by oys11p on

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D. Floyd Kolb

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Hi,
This engine has a high temperature cutoff that has probably gone bad...

Check it out here

http://www.tradebit.com/filedetail.php/3070770-gx390-honda-13-hp-engine-parts-manual

You also can download the manual from this site...

heatman101

Posted on Dec 30, 2010

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