The Yamaha XS 2 motorcycle specifications include a 654 cc (39.91 cu in) engine, power of 53 hp (38.7 kW) @ 7,000 rpm, a 5-speed gearbox, and a listed weight of 194 kg (427.7 lb).
Key specifications
How the Yamaha XS 2 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.
Very close to the Yamaha database average. Around the 62nd percentile across Yamaha models.
About 19% higher than the Yamaha database average. Around the 66th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 58th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 46th 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.
53 hp — more powerful than about 62% of Yamaha models with power data.
654 cc — larger displacement than about 66% of Yamaha models.
194 kg — heavier than about 58% of Yamaha models, or lighter than about 42%.
12.5 L — larger than about 46% of Yamaha fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.50-19 |
|---|---|
| Rear tire size | 4.00-18 |
| Power-to-weight ratio | 0.273 hp/kg |
| Power-to-weight | 273.2 hp/tonne |
| Specific power | 81.0 hp/L |
| Bore/stroke ratio | 1.01:1 (Square) |
Model information
| Year released | 1971 |
|---|---|
| Category | Classic |
Engine specifications
| Engine type | Twin, four-stroke |
|---|---|
| Displacement | 654 cc (39.91 cu in) |
| Power | 53 hp (38.7 kW) @ 7,000 rpm |
| Bore × stroke | 75.0 x 74 mm (3.0 x 2.9 inches) |
| Compression ratio | 8.7:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel control | Overhead Cams (OHC) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake |
| Front tire | 3.50-19 |
| Rear tire | 4.00-18 |
Dimensions and weight
| Wet weight | 194 kg (427.7 lb) |
|---|
Fuel and emissions
| Fuel capacity | 12.50 L (3.30 US gal) |
|---|
Performance
| Top speed | 180.0 km/h (111.8 mph) |
|---|
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.