learaway

............the sparkplug is very oily& the engine wont clean up @ mid throttle to full throttle idle is fine and crisp until a bit past half throttle. no actually it was.....it was pixi dust blowing out tis exhaust!

hello. have dt 125 that runs rich,dropped to #110 main jet have #7 ngk sparkplug jet needle at leanest clip setting #4j13 will a leaner jet needle fix it? use 32:1 oil/gas ratio air screw 2 turns out k&n filter clean is the crank seal letting transmission oil to cylinder ? ...i plugged off oil injector. any thought to this issue would be helpful thank you:: learaway