Hi well i opend the stadard air filter box on my gilera dna 50cc the air filter is derestricted and the carb is up jeted to 74 and i also upjeted the idle jet and levince tt exhaust and rolers at the moment i can do bout 53 ( bit slow concidering its full derestricted including the 2 washers of the variat think thats what its called ) any way i removed the air filter and cleanded it with meths then dryed it put it in my bike (dry no oil) and there wasent enough air geting threw to the enguin the oiled it up and the same problem HELP !!!!!!!! tried evory think whats wrong ( also made new filter out of normal sponge and the same problem persists

thanks sorry bout spelling im dislexic

dan barwell, November 2008

i having the same problem and i think this is what has made my exhaust start blowing so watch out until u get it fixed

BaRkEr, November 2008