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Old 08-03-2013, 08:58 PM
chickel1 chickel1 is offline
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Join Date: Aug 2013
Location: corydon,in
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Scag Tiger Cub with 19 hp kawasaki engine runs lean all of a sudden

I have a scag cub with a 19 hp Kawaski v twin.
I have this problem where it runs great and then all of a sudden it wants to bog out? if you pull the choke in time you can get it to stay running but not the best. It wont run that way with the blades on and is not the fuel pump. I was convinced that was my problem and replaced it, no fix!
visual fuel filter is still full when it runs like that so dont understand, have tried tapping the bowl thinking the float is sticking but no change. ANY HELP ON THIS ONE?
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Old 08-03-2013, 09:02 PM
djagusch djagusch is online now
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Intake gasket leak? When it acts up spray some wd 40 or carb cleaner around the intake and see if it clears up while the fluid fills the seal.
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Old 08-03-2013, 09:03 PM
larryinalabama larryinalabama is online now
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I just had a coil go bad, the problem was interminint like yours. When the machine was running rough I bupassed the safety and put some gloves on and pulled the spark plug wires off. The engine died when I pulled one off, it didn't die when I pulled the other one off. I swapped the coil with another engine and it solved the problem. I have the coil on order, its kind of pricey at 55$
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Old 08-03-2013, 09:08 PM
chickel1 chickel1 is offline
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but would that cause it to run lean?
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Old 08-03-2013, 09:13 PM
larryinalabama larryinalabama is online now
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Both suggestions are fairly easy to try.
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  #6  
Old 08-03-2013, 09:14 PM
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Vecchio Lawn Care Vecchio Lawn Care is online now
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Scag Tiger Cub with 19 hp kawasaki engine runs lean all of a sudden

Air filter might be dirty or wet. No air will make it run rough
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  #7  
Old 08-04-2013, 09:48 AM
chickel1 chickel1 is offline
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nope not it, doesnt do it all the time. runs perfectly fine then wont run but on choke. thanks though
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