The Yamaha Cygnus X SR motorcycle specifications include a 125 cc (7.63 cu in) engine, power of 11 hp (8.0 kW) @ 8,500 rpm, an automatic gearbox, and a listed weight of 122 kg (269 lb).
Key specifications
The 2011 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha Cygnus X SR 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 79% lower than the Yamaha database average. Around the 19th percentile across Yamaha models.
About 77% lower than the Yamaha database average. Around the 25th percentile across Yamaha models.
About 35% lighter than the Yamaha database average. Around the 22nd percentile across Yamaha models.
Very close to the Yamaha database average. Around the 44th percentile across Yamaha models.
About 46% smaller than the Yamaha database average. Around the 20th percentile across Yamaha models.
Dimensions compared with Yamaha average
Each measurement is compared with the average value across Yamaha models where that dimension is available.
1,855
2,082
11% below average.
685
823
17% below average.
1,130
1,172
4% below average.
1,295
1,416
9% below average.
785
793
Close to average.
113
181
37% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 110/70-12 |
|---|---|
| Rear tire size | 120/70-12 |
| Front tire width | 110 mm |
| Front tire aspect ratio | 70% |
| Front rim diameter | 12 in |
| Rear tire width | 120 mm |
| Rear tire aspect ratio | 70% |
| Rear rim diameter | 12 in |
| Power-to-weight ratio | 0.090 hp/kg |
| Power-to-weight | 90.2 hp/tonne |
| Specific power | 88.0 hp/L |
| Bore/stroke ratio | 0.91:1 (Undersquare) |
Model information
| Category | Scooter |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 125 cc (7.63 cu in) |
| Power | 11 hp (8.0 kW) @ 8,500 rpm |
| Torque | 9.3 Nm (0.9 kgf-m or 6.9 ft.lbs) @ 7,500 rpm |
| Bore × stroke | 52.4 x 57.9 mm (2.1 x 2.3 inches) |
| Compression ratio | 10.0:1 |
| Cooling system | Air |
| Fuel system | Injection |
| Fuel control | Overhead Cams (OHC) |
| Ignition | TCI |
| Starter | Electric & kick |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | Automatic |
|---|---|
| Final drive | Belt (final drive) |
Chassis and suspension
| Front suspension | Telescopic fork |
|---|---|
| Rear suspension | Unit swing |
| Front wheel travel | 78 mm (3.1 inches) |
| Rear wheel travel | 96 mm (3.8 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 110/70-12 |
| Rear tire | 120/70-12 |
Dimensions and weight
| Wet weight | 122 kg (269 lb) |
|---|---|
| Dry weight | 114 kg (251.3 lb) |
| Seat height | 785 mm (30.9 inches) |
| Overall length | 1,855 mm (73.0 inches) |
| Overall width | 685 mm (27.0 inches) |
| Overall height | 1,130 mm (44.5 inches) |
| Wheelbase | 1,295 mm (51.0 inches) |
| Ground clearance | 113 mm (4.4 inches) |
| Carrying capacity | full-size helmet storage under the dual seat. Glovebox in the knee-panel |
Fuel and emissions
| Fuel capacity | 7.10 L (1.88 US gal) |
|---|
Performance
| Top speed | 110.0 km/h (68.4 mph) |
|---|---|
| Power/weight ratio | 0.0965 hp/kg |
Other specifications
| Color options | White, black |
|---|
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.