The rear bulbs of Yamaha JOG50-90 and Honda DIO17 phase 18 are bayonet type, Original 27 period 28 period 34 period 35 period 38 period, the rear brake bulb is flat head straight plug type (Note: The bulbs of the rear lamp assemblies of domestically produced 34, 35 and 38 phases are bayonet type) So choose the brake bulb, please choose according to your bulb style |