Description
[#20] Variator Collar Yamaha OEM (BWS 2002 2011) PLAQUETTES DE FREIN it effectively filters out fine it effectively filters out fine dust and particles that can compromise your engine's performance however it will be more effective if fitted in combination with other "Sport" or "Racing" parts than on a completely stock 50cc engine simply remove your ventilated pulley and check that your belt is not in a vacuum your belt is very often pinched between the variator cheek and the ventilated pulley and this causes you to lose performance