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Kohler Cv14S


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#1 js5020 ONLINE  

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Posted May 07, 2014 - 12:15 PM

Having some issue with this engine, starts HARD, backfires, and when I can get it started it seems to run Very rough and only likes to stay running in the upper rpm range.  I tried cleaning the carb several times as it acts as if it has issue, no joy so put a new carb on still runs like crap.  Any oddities with this engine I should know about?



#2 HANKG ONLINE  

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Posted May 07, 2014 - 04:54 PM

SOUNDS LIKE IGNITION PROBLEM BACKFIRING IS A TELL ALSO CARB MAY BE SET TO LEAN


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#3 js5020 ONLINE  

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Posted May 07, 2014 - 05:00 PM

Well its a new fangled carb without any adjustments except idle speed and it is brand new, not much I can do with it. 



#4 EricFromPa ONLINE  

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Posted May 07, 2014 - 07:40 PM

Sounds like the magneto is going bad or the flywheel key is partly sheared.

 

Or possibly the Valve clearance is to tight.They do have hydraulic lifters if the clearance was to tight it would not want to start and if it did it would not run worth a darn.

 

 

#1 I would pull the fuel line off the carb and make sure it has good flow

#2 Check the Flywheel key 

#3 Check Valve Lash

#4 New Spark Plug

#5 replace Magneto


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#5 js5020 ONLINE  

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Posted May 08, 2014 - 08:33 PM

I pulled the flywheel and sure enough the key is sheared,, never saw that on anything but a push mower and even then I don't think I had one run with a sheared key.  I'll have to go get one in the morning but it will likely solve the issue!


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