JUST BOUGHT MY SON A 2008 150RB WENT TO THE TRACK TO GET THIS THING " TUNED IN " BIKE RUNS GOOD, MADE THE SWITCH FROM A 2 STROKE, ANYWAY,
RAN A FEW LAPS STARTED HEARING A NOISE THAT SOUNDS KINDA LIKE THE BRAKES SQUEELING , ON -OFF-ON-OFF.BROUGHT IT BACK IN PUT IT ON A STAND SPUN THE BACK WHEEL NO NOISE , LUBED THE CHAIN ,RAN ABOUT A HALF A LAP NOISE CAME BACK YOU CAN HEAR IT THE MOST WHEN HE HITS A JUMP AND IS IN THE AIR SOUND LIKE ITS COMING FROM THE CHAIN SIDE OF THE BIKE [ I KNOW ITS HARD TO FIGURE OUT UNLESS YOUR THERE TO LISTEN TO IT ] JUST WANDERING IF ANYBODY HAS EXPERENCED THIS PROBLEM, JUST HAVEN'T HAD TIME AT HOME TO TROUBLESHOOT THIS YET TRYING TO GET SUGGESTIONS BEFORE I START . CHAIN GUIDE? CASE SAVER? ANYBODY?