Quote:
Originally Posted by Blue_SV650S
"They all do that sir"!!  ... you will soon get used to it mind!! 
400/4s are cool ... I had one of those ... loved it  |
Point of order, young man.
The Honda 400-Four was so designated because in Japanese culture the number '4' is the same as a Japanese character which when used on its own is considered evil. Writing '14', '40' or '400' is acceptable, but not '4' with nothing prefixing or suffixing it.
This is why Honda wrote '400 Four' on the sidepanels.
I also had a 1978 400 Four F2, and despite it being a knackered old nail it was a shockingly competent bike.