Across the 1983 and 1984 model years, the Honda CB 650 SC Nighthawk motorcycle has a listed dry weight of 434.3 lb (197 kg).
Honda CB 650 SC Nighthawk weight overview
The bike falls into a normal middleweight range. At road speed the mass is usually less obvious; parking, slopes and walking-speed maneuvers are where you notice it most. The comparison uses dry weight because a usable wet/running figure was not supplied, so the actual ready-to-ride motorcycle will be heavier.
Middleweight Motorcycle
How heavy is the Honda CB 650 SC Nighthawk?
dry weight
Using a model-level dry weight comparison, the Honda CB 650 SC Nighthawk is heavier than about 60.2% of 166 Honda motorcycles with compatible weight data.
Dry weight
Bike + rider total weight
These totals use the model’s representative dry weight. They exclude riding gear, luggage and a passenger.
Honda CB 650 SC Nighthawk weight & related specs
| Model years covered | 1983, 1984 |
|---|---|
| Dry weight | 434.3 lb (197 kg) |
| Engine displacement | 655 cc |
| Fuel capacity | 3.4 US gal (12.86 L) |
| Full-tank fuel weight (estimated) | 21.1 lb (9.6 kg) |
Weight changes by model year
Useful weight calculations
| Displacement per pound | 1.51 cc / lb |
|---|---|
| Weight per 100 cc | 66.3 lb / 100 cc |
| Fuel weight as % of bike weight | 4.9% |
| Weight with full tank | 455.4 lb (206.6 kg) |
What the weight numbers tell you
Honda CB 650 SC Nighthawk weight FAQ
What is the Honda CB 650 SC Nighthawk dry weight?
The available dry weight is 434.3 lb (197 kg). Actual ready-to-ride weight will be higher after fuel and operating fluids are added.
Is the Honda CB 650 SC Nighthawk lighter or heavier than other Honda motorcycles?
Weight is broadly typical for the category, landing around the 60th percentile in this model-level Honda comparison.
Which Honda CB 650 SC Nighthawk years have different weight specs?
No clear weight change appears in the usable model-year data. Other specifications may still differ by year.
How much does a full tank add to the Honda CB 650 SC Nighthawk?
Based on the supplied 3.4 US gal (12.86 L) tank capacity, the gasoline itself weighs about 21.1 lb (9.6 kg) when full. This helps explain part of the difference between dry and ready-to-ride mass.
What is the combined Honda CB 650 SC Nighthawk and rider weight?
Using the model’s representative dry weight and a 180 lb rider, the combined bike-and-rider mass is about 614.3 lb (278.6 kg) before riding gear, luggage or a passenger.
Is the listed Honda CB 650 SC Nighthawk weight ready to ride?
The published usable figure is dry, not curb weight. A simple dry-plus-full-fuel estimate is 455.4 lb (206.6 kg), but that still is not a substitute for an official wet/curb specification.
How heavy is the Honda CB 650 SC Nighthawk after filling the fuel tank?
Filling the listed tank brings the calculated bike weight to roughly 455.4 lb (206.6 kg). This estimate is most useful when no official wet/running figure is available.
How much of the Honda CB 650 SC Nighthawk total weight comes from fuel?
The calculated full-tank fuel mass is about 4.9% of the bike’s listed weight. This helps show why a dry-weight number can understate what you actually manage on the road.
What is the Honda CB 650 SC Nighthawk engine-size-to-weight ratio?
The available figures work out to 1.51 cc per lb. This is not a performance rating, but it is a useful way to compare engine size against total motorcycle mass.
Motorcycle specifications can vary by model year, market, equipment and the exact dry/curb-weight definition. Calculated fuel-weight and ratio figures on this page are estimates derived from the supplied specifications. Confirm critical figures in the owner’s manual or on the official Honda Powersports website.