The Yamaha Aerox 155 motorcycle specifications include a 155 cc (9.46 cu in) engine, an automatic gearbox, and a listed weight of 126 kg (277.8 lb).
Key specifications
The 2022 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha Aerox 155 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 72% lower than the Yamaha database average. Around the 29th percentile across Yamaha models.
About 32% lighter than the Yamaha database average. Around the 24th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 49th percentile across Yamaha models.
About 58% smaller than the Yamaha database average. Around the 11th 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.
155 cc — larger displacement than about 29% of Yamaha models.
126 kg — heavier than about 24% of Yamaha models, or lighter than about 76%.
790 mm — taller than about 49% of Yamaha models.
5.5 L — larger than about 11% 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.
1,980
2,082
5% below average.
700
823
15% below average.
1,150
1,172
Close to average.
1,350
1,416
5% below average.
790
793
Close to average.
145
181
20% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 110/80-14 |
|---|---|
| Rear tire size | 140/70-14 |
| Front tire width | 110 mm |
| Front tire aspect ratio | 80% |
| Front rim diameter | 14 in |
| Rear tire width | 140 mm |
| Rear tire aspect ratio | 70% |
| Rear rim diameter | 14 in |
| Bore/stroke ratio | 0.99:1 (Square) |
Model information
| Category | Scooter |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 155 cc (9.46 cu in) |
| Torque | 13.9 Nm (1.4 kgf-m or 10.3 ft.lbs) @ 6,500 rpm |
| Bore × stroke | 58.0 x 58.7 mm (2.3 x 2.3 inches) |
| Compression ratio | 10.5:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Injection |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | TCI |
| Starter | Electric |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | Automatic |
|---|---|
| Final drive | Belt (final drive) |
| Clutch | Centrifugal dry clutch |
Chassis and suspension
| Frame | Underbone, steel |
|---|---|
| Front suspension | Telescopic fork, 26mm |
| Rear suspension | Unit Swing |
Brakes, wheels and tires
| Front brakes | Single disc. ABS |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 110/80-14 |
| Rear tire | 140/70-14 |
Dimensions and weight
| Wet weight | 126 kg (277.8 lb) |
|---|---|
| Dry weight | 116 kg (255.7 lb) |
| Seat height | 790 mm (31.1 inches) |
| Overall length | 1,980 mm (78.0 inches) |
| Overall width | 700 mm (27.6 inches) |
| Overall height | 1,150 mm (45.3 inches) |
| Wheelbase | 1,350 mm (53.1 inches) |
| Ground clearance | 145 mm (5.7 inches) |
| Carrying capacity | 24.5 L Under-Seat Storage |
Fuel and emissions
| Fuel capacity | 5.50 L (1.45 US gal) |
|---|
Performance
| Power/weight ratio | 0.1272 hp/kg |
|---|
Electrical and instruments
| Instruments | Digital |
|---|---|
| Lights | LED headlight |
Other specifications
| Color options | Black, Grey, Blue |
|---|---|
| Seat | Two-Level Seat |
| Comments | Sold in Asia. |
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.