The rocker arm assembly for Type 1 QMB139 engines.
Type 1 has a shorter head and 64mm valve stem length.
If you have 69mm valve stem length and a taller head, you have the Type 2 engine.
chances are your scooter is newer and/or was made by Zhejiang ZhongNeng aka Znen.
Product is intended as OEM equivalent for listed models. Any misuse, alteration or alternative application is prohibited by law.
