Across 4 covered model years from 1977 to 1980, the Honda ST 70 DAX motorcycle has supplied wet/running weights ranging from 165.3 lb (75 kg) to 169.8 lb (77 kg).
Honda ST 70 DAX weight overview
Its low overall mass should be most noticeable off the throttle: moving it by hand, backing out of a parking space and managing stop-start riding should take less effort than on a heavy road bike.
Very Light Motorcycle
How heavy is the Honda ST 70 DAX?
wet weight
Using a model-level wet weight comparison, the Honda ST 70 DAX is lighter than about 98.6% of 70 Honda scooters with compatible weight data.
Ready-to-ride weight range
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Honda ST 70 DAX weight & related specs
| Model years covered | 1977, 1978, 1979, 1980 |
|---|---|
| Wet / running weight | 165.3 lb (75 kg) to 169.8 lb (77 kg) |
| Engine displacement | 72 cc |
| Power | 5.2 hp |
| Fuel capacity | 0.66 US gal (2.5 L) |
| Full-tank fuel weight (estimated) | 4.1 lb (1.9 kg) |
Weight changes by model year
The 1977 model is used as the baseline where data is available. Only later supplied values that differ are shown below. A year pill does not mean every individual weight field was supplied for that year.
Useful weight calculations
| Horsepower per 100 lb | 3.14 hp / 100 lb |
|---|---|
| Pounds per horsepower | 31.8 lb / hp |
| Displacement per pound | 0.42 cc / lb to 0.44 cc / lb |
| Weight per 100 cc | 229.6 lb / 100 cc to 235.8 lb / 100 cc |
| Fuel weight as % of bike weight | 2.4% to 2.5% |
What the weight numbers tell you
Honda ST 70 DAX weight FAQ
What is the Honda ST 70 DAX wet weight?
The supplied wet/running weight is 165.3 lb (75 kg) to 169.8 lb (77 kg) across the model years covered here. That figure is the most useful available number for real-world handling because operating fluids and fuel are included.
Is the Honda ST 70 DAX lighter or heavier than other Honda scooters?
It is comparatively light for this Honda category. The model lands near the 1st percentile for weight in the compatible dataset.
Which Honda ST 70 DAX years have different weight specs?
The supplied data shows different weight figures across the 1977-1980 model years. Use the year-specific changes section above for the exact value attached to each changed year.
How much does a full tank add to the Honda ST 70 DAX?
Based on the supplied 0.66 US gal (2.5 L) tank capacity, the gasoline itself weighs about 4.1 lb (1.9 kg) when full. On models with a wet/running weight, that fuel mass is already included in the listed ready-to-ride figure.
What is the combined Honda ST 70 DAX and rider weight?
Using the model’s representative wet/running weight and a 180 lb rider, the combined bike-and-rider mass is about 345.3 lb (156.6 kg) before riding gear, luggage or a passenger.
What is the Honda ST 70 DAX power-to-weight ratio?
Available model-year data produces 3.14 hp per 100 lb. It shows engine output relative to motorcycle mass rather than just quoting peak horsepower. That places it around the 10th percentile within the compatible Honda scooter power-to-weight comparison.
How much of the Honda ST 70 DAX total weight comes from fuel?
The calculated full-tank fuel mass is about 2.4% to 2.5% of the listed motorcycle weight. Because the available basis is wet/running weight, that fuel is already included in the ready-to-ride figure.
What is the Honda ST 70 DAX engine-size-to-weight ratio?
The available figures work out to 0.42 cc per lb to 0.44 cc per lb. This is not a performance rating, but it is a useful way to compare engine size against total motorcycle mass.
How far is the Honda ST 70 DAX from the median Honda scooter weight?
Compared with the median Honda scooter weight of 256.8 lb (116.5 kg), the model is roughly 91.5 lb (41.5 kg) lighter.
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.