I WAS OUT THIS WEEKEND WITH MY BOYS IN OCATILLO. MY YOUNGEST SON IS ON A KAZUMA 110 (WITH ABOUT 10 HOURS ON IT ) WHEN ALL OF A SUDDEDN HE WAS SLOWING DOWN WITH LOST POWER . IT WAS ALSO RUNNING ROUGH. I PULLED THE PLUG AND IT WAS BLACK. I CLEANED IT AND IT STARTED RIGHT UP AN RAN GOOD FOR ABOUT 2 MINUTES AND THEN THE SAME (FOULED PLUG AND ROUGH RUNNING). IT HAS NOT BEEN RIDDEN HARD AT ALL YET ,STILL BREAKING IT IN. ANY IDEAS??
THANKS

 

Yah change the factory plug. The factory plugs are junk.

 

Replaced it last night w/ NGK........................all is well. Any ideas about a pipe replacement??