CB650 1980 (A) USA

specifications

Namevalue
base name CB650
year 1980 
area code
frame range RC05 2100002 - RC05 2108005
engine range RC03E 2100009 - RC03E 2124546


photo

CB650 1980 (A) USA

info

Final swansong for the CB500 Four, already stretched as a 550, now bore and stroke increased for the last time to make 627cc translating to 53bhp @ 8500 rpm, and with the curb weight now up to 213kg performance was hardly any better than the original CB500, although a new chassis and brakes was a definite step in the right direction.

The engine reliability was on the edge in this final stretched form and was de-tuned somewhat for subsequent custom models aimed at the US market, and was soon to be replaced with the superb new advanced 16 valve CBX550 which took over the mantle from this venerable old ‘CB Four’ single overhead cam engine that had done such sterling work over the previous decade