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Old 05-10-2017, 08:16 AM   #6
Turnaround
Junior Member
 
Join Date: May 2014
Posts: 2
Default Re: Ruff Idle problem

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Quote:
Originally Posted by Fred K-OR View Post
No not running with an air filter.

I did put on a new intake manifold gasket thinking I had a leak but this also did not improve problem.

I still have not replaced the distributor or spark plugs. This may be my next step.

Could the problem be that I have not driven the rig on a long drive lately? I just got a new battery in it and got is started after sitting all winter. Have not taken it out for a long drive yet.
After you clean the spark plugs, install new points, clean the cap and rotor, check for full voltage at the coil, and replace all the fuel, look down the air cleaner side of the carburetor while it's idling. If you see any liquid gas moving, the float or needle and seat need work. Reason: all the fuel at idle, enters the air stream beneath the carburetor's butterfly. You should not see any gas moving at an idle. If the carb's insides are relatively dry, at an idle, the idle air/fuel adjustment screw should make a difference in idle quality, unless there is blockage in one or more passages inside the carb.

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