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Power king spits and sputters


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#1 Bryan OFFLINE  

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Posted May 06, 2016 - 03:07 PM

I have a power king 18 hp koler (1991) I mow with it for about an hour then it starts to stit and sputter, I turn off PTO to mower and it smooths out turn back on same thing, volt meter needle jumps up and down at that point too. Could it be a bad bearing heating up on PTO ?
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#2 crittersf1 OFFLINE  

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Posted May 06, 2016 - 03:41 PM

:welcometogttalk: :camera: How long before you can engage mower again? Is the gas cap venting properly?


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#3 UncleWillie ONLINE  

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Posted May 06, 2016 - 04:13 PM

Weak battery or it isn't sufficiently charging. Check your grounds first. 



#4 boyscout862 ONLINE  

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Posted May 06, 2016 - 04:40 PM

Welcome to GTT. Download the Kohler Manual from our Manuals Section. Follow the troubleshooting guide. The first thing to look at will be if it is getting sufficient gas. A plugged gas cap or fuel filter can cause the sputtering. Good Luck, Rick



#5 LilysDad OFFLINE  

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Posted May 06, 2016 - 05:09 PM

Welcome to GTT. Download the Kohler Manual from our Manuals Section. Follow the troubleshooting guide. The first thing to look at will be if it is getting sufficient gas. A plugged gas cap or fuel filter can cause the sputtering. Good Luck, Rick

Is the governor operating properly?

 

This is irrelevent to your problem, still the Kohler OHV 18 is prone to overheating. Be sure the engine fins and tins are all clean.



#6 propane1 OFFLINE  

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Posted May 06, 2016 - 05:43 PM

Short in wiring to pto.

Noel

#7 Bryan OFFLINE  

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Posted May 07, 2016 - 05:31 PM

Thanks, I will check those things out.

#8 MNGB ONLINE  

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Posted May 08, 2016 - 10:46 AM

I don't think its a short in the PTO generally if the wiring is right it will blow the fuse and the engine shuts off, I'd check and replace the condenser (this happened on my K361 18 hp ) it would run fine then start running ruff sometimes backfire then run fine and start over, it would run fine at idle or low load but if I gave it full throttle or used the FEL it would miss and carry on replaced the condenser and all problems went away, so after that I installed a Kirk points saver and it runs perfect. I suspect the when you turn PTO off there is less power required and it runs good turn PTO back on and same problem comes up.

PS it could be that the bolt / screw holding the condenser has loosened and its not grounding good at all time same  as bad condenser.


Edited by MNGB, May 08, 2016 - 10:58 AM.





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