My murray rider is running rough after about 10 to 15 minutes under load. I have changed out neddle jet and housing, float. Cleaned carb, check all ports, seem to be clear. Fuel pump rebuilt. New fuel filter... still rough with black smoke... spits and spudders.

If I turn to left, seems to run rougher, will straighten out a bit once I turn back...

Any ideas!!

still a fuel issue, black smoke = excessive fuel. Go back to the carb.

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Originally Posted by bmmarcom01

My murray rider is running rough after about 10 to 15 mins under load. I have changed out neddle jet and housing, float. Cleaned carb, check all ports, seem to be clear. fuel pump rebuilt. New fuel filter....still rough with black smoke....spits and spudders.

If i turn to left, seems to run rougher, will straighten out a bit once I turn back...

Any ideas!!!!

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Pulled carb off today and cleaned again. Ran small wire through every opening I could see. Re-assembled... changed oil, lots of fuel in oil.. started and ran good for 10-15 minutes...
I can seem to find problem... any ideas?