The cause of an automatic motorbike is lackluster power and a rough sound Most of the causes of sluggish automatic motorbike power and rough sounds in the CVT area are due to wear and tear on the CVT components. These components include facecom, roller, vbelt, prodo lining, secondary pully, roller housing boshing, peaslead and secondary pully bearing. Some components experience wear and tear due to duration of use. #scopy #silabanchannel #bike shop #cvt #beat #vario