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#1 Bassethound OFFLINE  

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Posted May 18, 2015 - 11:42 AM

Hello I'm new to this forum. I have a deere 316 Kohler k341 16 hp. Fires up now that I rebuilt the carb but only runs till it warms up. As soon as she hits temp it sounds like she's knocking or taping before she just dies. Won't start till she cooks off. Pulled the head and there's some carbon build up but the valves aren't bent. Is it possible part of the ignition system like the cool is showing that it's going out when it heats up? I don't want to just start buying parts blindly....help
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#2 cpg OFFLINE  

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Posted May 18, 2015 - 11:58 AM

That is a classic symptom of a bad coil that I have seen in several applications. When they start to get weak they will sometimes die at high temps.

 

You could check the spark when its cold and then warm it up until it dies and see if the spark gets weaker or goes away.


Edited by cpg, May 18, 2015 - 12:01 PM.

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#3 MH81 ONLINE  

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Posted May 18, 2015 - 12:06 PM

I agree, also could be a condenser breaking down.

Oh, and :welcome: to GTTalk, thanks for joining.
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#4 HDWildBill OFFLINE  

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Posted May 18, 2015 - 12:31 PM

Welcome aboard.  Use a spark tester and when it dies see if you are getting spark.  If not start tracing back in the system until you find the problem.


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#5 Bassethound OFFLINE  

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Posted May 18, 2015 - 12:36 PM

I have spark when she's cold. It bit me cause the insulation is wearing off. I'm gonna but condenser and coil on the way home from work. Also...... When I take my valve cover off to check my valve gap, I set it then tighten the nut to the"shaft" I don't know the right words sorry. Once it's set and tight does the whole thing spin free under the valve springs?
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#6 JDBrian OFFLINE  

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Posted May 18, 2015 - 12:51 PM

I'd check your points and set them to .020 gap. If they are pitted or out of adjustment it will give you all kinds of grief. They can move if you don't get the adjustment screw tightened down enough. Also, check all the wiring connections between the points and the ignition switch. 

   Follow the instructions in the Kohler K service manual to adjust the valves. If you don't have the manual there should be one in our manuals section.


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#7 Bassethound OFFLINE  

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Posted May 18, 2015 - 01:08 PM

Do I need to removed the engine to do my points? The flywheel is inline with the driveshaft

#8 Bassethound OFFLINE  

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Posted May 18, 2015 - 01:55 PM

Also if the coil and or condenser is pooping the bed, would that make a tapping or knocking noise?
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#9 propane1 ONLINE  

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Posted May 18, 2015 - 02:47 PM

Sticking valves when hot maybe.  Noel


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#10 HANKG ONLINE  

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Posted May 18, 2015 - 03:59 PM

Welcome aboard good advise all above



#11 TomLGT195 OFFLINE  

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Posted May 18, 2015 - 05:05 PM

:welcometogttalk:   :wewantpics:  please.  :D



#12 boyscout862 OFFLINE  

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Posted May 18, 2015 - 05:05 PM

Welcome to GTT. As you can see, we have a friendly and helpful site. Enjoy! Good Luck, Rick

 

As far as the engine, use the troubleshooting guide in the manual and take it a step at a time.


Edited by boyscout862, May 18, 2015 - 05:08 PM.

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#13 Bassethound OFFLINE  

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Posted May 19, 2015 - 10:38 AM

Ignition coil condenser spark plug and the wire replaced. Engine starts and runs. Doesn't die when warm but there is a knocking mostly at WOT but a few here and there at idle. Now that it will idle I can listen to it. I don't think its a valve tap. If I buy the rebuild kit and the cylinder is not warn.... Do I need to bore it and get bigger piston or can I just put brand new original size in? Thanks the advise by the way.
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#14 HDWildBill OFFLINE  

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Posted May 19, 2015 - 11:15 AM

Can you take a video of it running and let us here the noise you are hearing?  We could better advise you if we could hear exactly what the knock is.


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#15 cpg OFFLINE  

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Posted May 19, 2015 - 11:50 AM

If it has the drive shaft that connects right to the flywheel also check to make sure there is nothing loose or worn in the drive line that could be knocking before just pulling the engine apart.


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