| MODEL | YAMAHA SMAX 2015 |
| Year | 2015 |
| Engine Type | Single cylinder, four-stroke, SOHC, 4 valves |
| Displacement / Capacity | 155 cc / 9.46 cu in |
| Bore X Stroke | 58.0 x 58.7 mm |
| Compression Ratio | 11.0:1 |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | — |
| Induction | Fuel injection |
| Start System | Electric and kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | Automatic, V-belt |
| Clutch | — |
| Final Drive | Belt |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic fork, 79 mm travel |
| Rear Suspension | Horizontal mid-ship shock, 60 mm travel |
| Front Brakes | Single 267 mm hydraulic disc |
| Rear Brakes | Single 245 mm hydraulic disc |
| DIMENSION SPECS | |
| Overall Length | 2029 mm |
| Overall Width | 714 mm |
| Overall Height | 1295 mm |
| Seat Height | 795 mm |
| Wheelbase | 1405 mm |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 148.8 kg / 328 lb |
| WHEEL SPECS | |
| Front Tyre | 120/70-13 |
| Rear Tyre | 130/70-13 |
| FUEL SYSTEM | |
| Fuel Capacity | 7.57 Litres / 2.0 US gal |
| Fuel Consumption | 2.9 L/100 km / 34.5 km/l |
| Top Speed | — |
The Smax is Yamaha's sporty 155 cc maxi-scooter for Asian markets, with a liquid-cooled four-valve single, dual headlights and 13-inch wheels. It is larger and sportier than the NMAX and aimed at riders wanting more presence for commuting.
