Not Replacement For: 125cc Cylinder Head with 23mm and 28mm Intake and Exhaust valves.
Tip: Please verify model number and size prior to ordering to ensure this is the correct part. Second, you need to adjust the ignition time in right with the magneto and timing sprokets,othewise exhaust valves will hit piston, make it bad situation,and even not working...If you still not understand,please contact us, i will send you an video.
