Spark plug fouling on DR 250
The spark plug on my '82 Dr 250 is fouling very badly. I'm no expert but thought that this must have to do with carby. I have stripped carby and adjusted it so many times but with no success. I have checked airbox for rags! washed the air filter element and finally removed it all together. Still no improvement. Finally I took the carby off my '85 road DR and again still fouling plug. I changed froma D8EA to a hotter plug D7EA and this gave me a little improvement (30 miles before fouling so badly the motor started misfiring. I stripped the motor down last year and didn't do anything to it as it was in quite good nick.
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