The Yamaha Aerox SP55 motorcycle specifications include a 49.2 cc (3.00 cu in) engine, power of 2.7 hp (2.0 kW) @ 6,500 rpm, an automatic gearbox, and a listed weight of 97 kg (213.8 lb).
Key specifications
How the Yamaha Aerox SP55 compares
This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.
About 95% lower than the Yamaha database average. Around the 2nd percentile across Yamaha models.
About 91% lower than the Yamaha database average. Around the 7th percentile across Yamaha models.
About 48% lighter than the Yamaha database average. Around the 11th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 75th percentile across Yamaha models.
About 46% smaller than the Yamaha database average. Around the 20th percentile across Yamaha models.
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
2.7 hp — more powerful than about 2% of Yamaha models with power data.
49 cc — larger displacement than about 7% of Yamaha models.
97 kg — heavier than about 11% of Yamaha models, or lighter than about 89%.
828 mm — taller than about 75% of Yamaha models.
7 L — larger than about 20% of Yamaha fuel tanks in this database.
Dimensions compared with Yamaha average
Each measurement is compared with the average value across Yamaha models where that dimension is available.
1,743
2,082
16% below average.
690
823
16% below average.
1,256
1,416
11% below average.
828
793
4% above average.
185
181
Close to average.
Mechanical overview
Additional useful specifications
| Front tire size | 130/60-13 |
|---|---|
| Rear tire size | 140/60-13 |
| Front tire width | 130 mm |
| Front tire aspect ratio | 60% |
| Front rim diameter | 13 in |
| Rear tire width | 140 mm |
| Rear tire aspect ratio | 60% |
| Rear rim diameter | 13 in |
| Power-to-weight ratio | 0.028 hp/kg |
| Power-to-weight | 27.8 hp/tonne |
| Specific power | 54.9 hp/L |
| Bore/stroke ratio | 1.02:1 (Square) |
Model information
| Year released | 2012 |
|---|
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 49.2 cc (3.00 cu in) |
| Power | 2.7 hp (2.0 kW) @ 6,500 rpm |
| Torque | 3.7 Nm (0.4 kgf-m or 2.7 ft.lbs) @ 4,500 rpm |
| Bore × stroke | 40.0 x 39.2 mm (1.6 x 1.5 inches) |
| Compression ratio | 7.4:1 |
| Cooling system | Liquid |
| Fuel system | Carburettor. Gurtner |
| Ignition | C.D.I. |
| Starter | Electric & kick |
| Lubrication | Separate lubrication |
Transmission and drivetrain
| Gearbox | Automatic |
|---|---|
| Final drive | Belt (final drive) |
Chassis and suspension
| Frame | Steel |
|---|---|
| Front suspension | Telescopic fork |
| Rear suspension | Unit swing |
| Front wheel travel | 80 mm (3.1 inches) |
| Rear wheel travel | 60 mm (2.4 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 130/60-13 |
| Rear tire | 140/60-13 |
| Wheels | Race-style red pinstripe wheels |
Dimensions and weight
| Wet weight | 97 kg (213.8 lb) |
|---|---|
| Seat height | 828 mm (32.6 inches) |
| Overall length | 1,743 mm (68.6 inches) |
| Overall width | 690 mm (27.2 inches) |
| Wheelbase | 1,256 mm (49.4 inches) |
| Ground clearance | 185 mm (7.3 inches) |
| Carrying capacity | Under-seat helmet storage for a full-face helmet. |
Fuel and emissions
| Fuel capacity | 7.00 L (1.85 US gal) |
|---|
Electrical and instruments
| Instruments | Analogue speedo and fuel gauge |
|---|
Other specifications
| Seat | Three-tone carbon-look dual seat |
|---|
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 Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.