The Honda Smart Dio Z4 motorcycle specifications include a 49 cc (2.99 cu in) engine, power of 45.5 hp (33.2 kW) @ 8,000 rpm, a 5-speed gearbox, and a listed weight of 81 kg (178.6 lb).
Key specifications
How the Honda Smart Dio Z4 compares
This compares the motorcycle with all Honda models in this specifications database. The blue marker is this model and the grey line is the Honda database average.
About 16% lower than the Honda database average. Around the 49th percentile across Honda models.
About 91% lower than the Honda database average. Around the 3rd percentile across Honda models.
About 59% lighter than the Honda database average. Around the 3rd percentile across Honda models.
About 64% smaller than the Honda database average. Around the 6th percentile across Honda models.
Honda database percentile rankings
Percentiles show where this motorcycle sits across the Honda specifications database. They are descriptive database rankings, not performance ratings.
45.5 hp — more powerful than about 49% of Honda models with power data.
49 cc — larger displacement than about 3% of Honda models.
81 kg — heavier than about 3% of Honda models, or lighter than about 97%.
4.8 L — larger than about 6% of Honda fuel tanks in this database.
Dimensions compared with Honda average
Each measurement is compared with the average value across Honda models where that dimension is available.
1,155
1,161
Close to average.
1,190
1,431
17% below average.
Mechanical overview
Additional useful specifications
| Power-to-weight ratio | 0.562 hp/kg |
|---|---|
| Power-to-weight | 561.7 hp/tonne |
| Specific power | 928.6 hp/L |
| Bore/stroke ratio | 0.86:1 (Undersquare) |
Model information
| Year released | 2006 |
|---|---|
| Category | Scooter |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 49 cc (2.99 cu in) |
| Power | 45.5 hp (33.2 kW) @ 8,000 rpm |
| Torque | 4.8 Nm (0.5 kgf-m or 3.5 ft.lbs) @ 7,000 rpm |
| Bore × stroke | 38.0 x 44 mm (1.5 x 1.7 inches) |
| Compression ratio | 12.0:1 |
| Valves per cylinder | 4 |
| Fuel system | Carburettor |
| Fuel control | Overhead Cams (OHC) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Clutch | Dry multiple plate |
Chassis and suspension
| Trail | 72 mm (2.8 inches) |
|---|
Dimensions and weight
| Wet weight | 81 kg (178.6 lb) |
|---|---|
| Dry weight | 77 kg (169.8 lb) |
| Overall height | 1,155 mm (45.5 inches) |
| Wheelbase | 1,190 mm (46.9 inches) |
Fuel and emissions
| Fuel capacity | 4.80 L (1.27 US gal) |
|---|
Performance
| Power/weight ratio | 0.5904 hp/kg |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Honda models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Honda information before relying on them. Visit the official Honda website.