If you want the benefit of one prod starting for your classic Honda, but not getting it, then maybe the starter solenoid is the problem? Thankfully Honda still go on producing these parts, for now, allowing Classic enthusiasts to enjoy the very thing that made Honda what they are to day, civilized well engineered motorcycles with reliable electric starters, taken for granted today, but class leading innovation back in the early 1960's! This part fits many classic Honda's so please check the application list carefully to ensure your model is listed for this part number.
Alternative: