4-3tion is smooth.y.6-28n.y.6-26, 6-27and tread depth.6-19, 6-21tion is smooth.ing points if necessary.6-28tion is smooth.ng points if necessary.6-29tion is smooth.essary.6-30ts, bolts and screws are properly tightened.——nition circuit cut-off system., have Yamaha dealer check vehicle.3-12