That’s where the 1974-1977 Honda CB550 Four comes in. It has the same frame, but with a larger 544cc air-cooled four-cylinder engine. On paper, it makes the same 50 hp as the CB500, Silodrome reports. However, the CB550 makes more mid-range power, ClassicBikeGuide reports, and has the same top speed. Power was 43 horsepower at 8500 rpm and dry weight was 187 kg, allowing for a top speed of 165 km/h. This rear view shows the crash protection profile – Huge! Honda CB450 Specifications With a 6 spd. trans. you can slightly increase your final drive (sprockets)and let whatever ratio 6th is to be your 'overdrive'.I looked up stock oem CB450/500T ratios and top gear/5th is always 0.844 in all 5spd. model/yrs. which is already a decent high ratio. jays100 Discussion starter. 573 posts · Joined 2011. 2021 Honda CB500X detailed performance review, speed vs rpm and accelerations chart. Complete performance review and accelerations chart for Honda CB500X in 2021, the model with adventure touring body and 471 cm3 / 28.8 cui, 35 kW / 48 PS / 47 hp engine offered since September 2020. According to ProfessCars™ estimation this Honda is capable 760 mm / 30.0 in. Wet Weight. 159 kg / 351 lbs. Fuel Capacity. 13 Litres / 3.6 US gal. . In the early '60s, it was the biggest Honda available, propelling the rider into a full-blown adrenaline rush with unsurpassed power and speed. The 1961 CB77 Super Hawk was the beginning of something spectacular-the Honda sport bike. Accelerations, 1/4 mile time and top speed for 1973 Honda CB450 K6 Super Sport (33 kW / 45 PS / 44 hp). Performance review with 0-60 mph, 0-100 km/h, 0-100 mph, 0-160 km/h, quarter mile times and accelerations chart. Speed vs RPM graph. Data for the motorbike edition of the year 1973 since early-year 1973. Honda was soon deluged with orders for the CB750 FOUR, and the initial production forecast of 1,500 units a year became a monthly figure. Even that, however, was not enough, so the number jumped to 3,000 units. The Dream CB750 FOUR drew crowds of enthusiastic onlookers at the 15th Tokyo Motor Show in October 1969. CB450 tuning I am currently rebuiding the engine on my 1966 cb450 black bomber and I have some questions being my first time ever rebuilding an engine. I messed with the carbs and put new points on and got the engine to run before removing it from the frame but not being ran for about 40 years I wanted to take a look at everything, clean it out 4HEzSo.