Step 1: Get any existing toy motorcycle.
Step 2: Slap a "Fonzi" sticker on the sides.
Step 3: Profit! (By quickly taking advantage of currently popular TV character.)
Fonzi never would never have ridden a Honda.
It would have clashed with his image as a "badass".
also, Henry Winkler couldn't ride a motorcycle and damn near killed himself filming the few scenes where Fonzi rides.
Neat toy though!