crispytw Posted June 17, 2006 Posted June 17, 2006 i have a yamahatw and i have cleaned the carburettor and the air filter but the spark plug still goes black. And it uses alot of fuel it was fuel to the brim i have done 11miles on it and it is have empty. How can i stop it from doing this.
Collie Posted June 24, 2006 Posted June 24, 2006 try leaning off air fuel the mixture by turning the screw on your carb,not the idle screw the other one. just do it a 1/4 turn at a time . then run it for a day to assess if its any better . remember to make a note of where you started from,
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