For the 2006 model year, the Honda Smart Dio Z4 motorcycle has a supplied wet/running weight of 178.6 lb (81 kg) and a dry weight of 169.8 lb (77 kg).
Honda Smart Dio Z4 weight overview
This sits at the very light end of motorcycle mass, which is especially useful when the bike has to be moved around by hand or held on uneven ground.
Very Light Motorcycle
How heavy is the Honda Smart Dio Z4?
wet weight
Using a model-level wet weight comparison, the Honda Smart Dio Z4 is lighter than about 95.7% of 70 Honda scooters with compatible weight data.
Dry vs 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 Smart Dio Z4 weight & related specs
| Model years covered | 2006 |
|---|---|
| Wet / running weight | 178.6 lb (81 kg) |
| Dry weight | 169.8 lb (77 kg) |
| Engine displacement | 49 cc |
| Power | 45.5 hp |
| Torque | 3.5 lb-ft (4.8 Nm) |
| Fuel capacity | 1.27 US gal (4.8 L) |
| Full-tank fuel weight (estimated) | 7.9 lb (3.6 kg) |
Useful weight calculations
| Horsepower per 100 lb | 25.48 hp / 100 lb |
|---|---|
| Pounds per horsepower | 3.92 lb / hp |
| Torque per 100 lb | 1.98 lb-ft / 100 lb |
| Displacement per pound | 0.27 cc / lb |
| Weight per 100 cc | 364.4 lb / 100 cc |
| Fuel weight as % of bike weight | 4.4% |
| Weight with full tank | 177.6 lb (80.6 kg) |
What the weight numbers tell you
Honda Smart Dio Z4 weight FAQ
What does the Honda Smart Dio Z4 weigh ready to ride?
The supplied figures span 178.6 lb (81 kg) for wet/running weight and 169.8 lb (77 kg) for dry weight across the years in this page. Wet weight is the better guide to what you actually manage on the road.
Is the Honda Smart Dio Z4 heavy compared with other Honda scooters?
It is on the lighter side in this dataset. Its representative wet weight sits around the 4th weight percentile among 70 Honda scooters, meaning most compatible models are heavier.
How much does the Honda Smart Dio Z4 fuel weigh?
The listed tank capacity is 1.27 US gal (4.8 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 7.9 lb (3.6 kg). That is an estimate for fuel mass, not an official Honda curb-weight calculation.
How heavy is the Honda Smart Dio Z4 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 358.6 lb (162.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Honda Smart Dio Z4 have per 100 lb?
Where compatible power and weight figures are available, it works out to 25.48 hp per 100 lb. That places it around the 99th percentile within the compatible Honda scooter power-to-weight comparison.
How much heavier is the Honda Smart Dio Z4 with a full tank?
The page calculates about 177.6 lb (80.6 kg) with a full tank by adding the listed fuel mass to the dry figure. Treat this as a practical estimate, not an official Honda curb-weight number.
How much heavier is the Honda Smart Dio Z4 wet than dry?
The supplied model-year data shows roughly 8.8 lb (4 kg) between dry and wet/running weight. The exact gap can vary by year and by the manufacturer’s weight definition.
What is the Honda Smart Dio Z4 torque-to-weight ratio?
The calculated torque-to-weight range is 1.98 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
How large is the Honda Smart Dio Z4 engine for its weight?
Engine displacement relative to bike weight is 0.27 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
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.