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Go Back   Only Cub Cadets > Cub Cadets > Cub Cadet Engines > Kohler Engines

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  #1  
Old 09-13-2012, 10:43 AM
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Default K301 question

Hello
Well it looks like my 104 is acting up again
I can crank it runs immediately cut grass with it for at least 20 minutes or more and suddenly it starts to run like it is under a severe strain and pours out black smoke i disengage the pto and it will may or may not stop running that way after a minute and I have continued on cutting with it when it went to normal once before and actually had times when it operated normally the entire time. I had an issue with the S/G and the bearings were freezing up but i fixed that issue and check it each time the engine act up and the rotation is normal. I have not checked the head bolts yet, that may not be it at all. I always run the carburetor dry then turn off the key so I'm not sure that is an issue.Is this a common issue with this engine? Thanks for any help
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  #2  
Old 09-14-2012, 05:34 PM
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Sorry I my engine is a k241, I checked the coil and it showed to be in the operating range according to this sight and I trust Roland and his diagrams.
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  #3  
Old 09-14-2012, 09:31 PM
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Exhaust/Intake valve sticking in the open position possibly causing loss of compression? May need to pull the head and check them out. Black smoke would indicate excessive fuel.
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1973: 128, ag tires, 3pt. lift, spring assist, lights, 42" Deck

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  #4  
Old 09-18-2012, 10:17 AM
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Thanks DX3
I have not done anything to the motor yet but cut all my grass yesterday and it did not give any trouble. I think I'll run some marvel mystery oil it it before I take the head off and see if it might help rid it of that carbon.
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  #5  
Old 09-22-2012, 08:29 PM
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DX3
I ran the 104 today and it started acting up today & died with my son so I cranked it back up & squirted mmo in the carburetor and it worked normally & I did this several times when the engine would bog down so I think the valves are definitely sticking. Thanks for the help
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  #6  
Old 10-06-2012, 07:53 PM
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Hello
has anyone ever had the a new solenoid work once and die? this happened to me and am wondering why.
Roland any suggestions?
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  #7  
Old 10-10-2012, 09:04 PM
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Hello
Well I think the 104 wants to stop for the winter. Thank you for help with trouble shooting the engine it had a strange thick build up of carbon on the half of the piston near the valves and clean on the other half of the piston. The valves had lots of carbon also . It ran fine . I put the old solenoid back on and the crazy thing cranked right up......Once... and then the pto disc desintegrated. Well I'm not sure where to begin with the electrical but I guess
I'll go through the entire system. Thanks again for the help
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  #8  
Old 11-04-2012, 04:10 PM
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I had the same issue on my 128 when i swaped motors. It would run for awhile than start to strain and backfire. But what i did was i have the coil on it from the old 8hp motor that the PO bought at Autozone than i swapped coils than it was fine.
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  #9  
Old 11-05-2012, 12:01 PM
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Hello Git r done
Mine was carbon holding the valve open it runs fine now just need to replace pto parts and now some elctrical issues (winter project). I don't miss it now that the 782 is back in service.Thanks for the input
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  #10  
Old 11-05-2012, 05:18 PM
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Quote:
Originally Posted by jcrews View Post
Hello Git r done
Mine was carbon holding the valve open it runs fine now just need to replace pto parts and now some elctrical issues (winter project). I don't miss it now that the 782 is back in service.Thanks for the input
I thoght about that! Your welcome
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1971 128,3pt,ags,rebuilt motor,headlights
1988 1812,dual ports
1966 122,creeper,3pt,ags,sa,headlights,restored 1st place at RPRU 2013
1966 123,3pt,brinly spring assist
1973 108
1968 125
Attachments:QA36A,wfblade,2 nf blades,brinly disc,a cultivator,plow,homemade wrecker boom with 2000lbs winch,ih weights,50lbs weights,2IH windbreakers
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