Across 5 covered model years from 1986 to 1990, the Honda CB 450 S (reduced effect) motorcycle has a listed wet/running weight of 407.9 lb (185 kg).
Honda CB 450 S (reduced effect) weight overview
This is middleweight territory: substantial enough to feel planted, but still well short of heavyweight touring and large-cruiser mass.
Middleweight Motorcycle
How heavy is the Honda CB 450 S (reduced effect)?
wet weight
Using a model-level wet weight comparison, the Honda CB 450 S (reduced effect) is lighter than about 57% of 43 Honda classic motorcycles with compatible weight data.
Ready-to-ride weight
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Honda CB 450 S (reduced effect) weight & related specs
| Model years covered | 1986, 1987, 1988, 1989, 1990 |
|---|---|
| Wet / running weight | 407.9 lb (185 kg) |
| Engine displacement | 447 cc |
| Power | 27 hp |
| Fuel capacity | 4.76 US gal (18 L) |
| Full-tank fuel weight (estimated) | 29.6 lb (13.4 kg) |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 6.62 hp / 100 lb |
|---|---|
| Pounds per horsepower | 15.11 lb / hp |
| Displacement per pound | 1.1 cc / lb |
| Weight per 100 cc | 91.2 lb / 100 cc |
| Fuel weight as % of bike weight | 7.2% |
What the weight numbers tell you
Honda CB 450 S (reduced effect) weight FAQ
How much does the Honda CB 450 S (reduced effect) weigh?
The available wet/running figure is 407.9 lb (185 kg). This is more representative of the motorcycle you actually push, park and ride than a dry-only specification.
How does the Honda CB 450 S (reduced effect) weight compare with similar Hondas?
It is not an extreme outlier for the category. The model ranks around the 43rd percentile for weight among 43 compatible Honda classic motorcycles.
Are all Honda CB 450 S (reduced effect) model years the same weight?
The supplied comparable weight values do not show a meaningful change across the 1986-1990 years covered here.
What does a full tank of gas weigh on the Honda CB 450 S (reduced effect)?
A full tank works out to about 29.6 lb (13.4 kg) from the listed 4.76 US gal (18 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Honda CB 450 S (reduced effect) weigh with a 180 lb rider?
The approximate combined total is 587.9 lb (266.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
Is the Honda CB 450 S (reduced effect) strong for its weight?
The calculated range is 6.62 hp per 100 lb. This ratio is usually more informative for acceleration comparisons than horsepower alone. That places it around the 31st percentile within the compatible Honda classic power-to-weight comparison.
How much of the Honda CB 450 S (reduced effect) total weight comes from fuel?
Fuel accounts for roughly 7.2% of the available motorcycle weight figure. On lighter bikes that share can be surprisingly noticeable.
What is the Honda CB 450 S (reduced effect) engine-size-to-weight ratio?
The model has about 1.1 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
How far is the Honda CB 450 S (reduced effect) from the median Honda classic motorcycle weight?
The representative wet weight is about 37.5 lb (17 kg) lighter than the median Honda classic motorcycle weight of 445.3 lb (202 kg) in this dataset.
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.