Headlamp Bulb (6 Volt 25/25 Watt)
Headlight bulb. 6 volt 25/25 watt (20mm or 0.78" base). Used in most replaceable bulb units from 1960's on.
You can look up your model in this bulb chart.
Not sure if this part will work on your bike? Need to determine the correct fit? Call 1-888-968-3772