Re: Plugs Full of Carbon

Posted by Bama Binder on August 18, 2000 at 18:57:34 from (63.10.120.138):

In Reply to: Plugs Full of Carbon posted by Patrick Graham on August 18, 2000 at 18:27:27:

The plugs being full of carbon is an indication that the engine is running rich. If they were oily I would say the engine is burning oil, but you didn't say that was the case.

Running the tractor with the choke on could be a cause of the plugs fouling, but it might not be.

I would suggest replacing the plugs with Champ D21s (or equivelent) to start with...they are hotter and will resist fouling. But I still think you have a problem in the carb. You have gas to the carb, but do you have gas into the carb venturi?? I suspect a blocked main jet.

If you haven't pulled the carb apart, I still think you need to do that. You may want to have at least a basic rebuild kit available if you haven't replaced any seals/gaskets.

I have rebuilt carbs for Cubs and Super Hs with basic kits because all the parts were in good shape and it isn't hard to do and it makes a world of difference. Good luck and report back...

Regards..BB

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