The Yamaha XT 550 (reduced effect) motorcycle specifications include a 558 cc (34.05 cu in) engine, power of 27 hp (19.7 kW) @ 5,500 rpm, a 5-speed gearbox, and a listed weight of 145 kg (319.7 lb).
Key specifications
Year-specific specification changes
How the Yamaha XT 550 (reduced effect) 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 49% lower than the Yamaha database average. Around the 43rd percentile across Yamaha models.
Very close to the Yamaha database average. Around the 56th percentile across Yamaha models.
About 22% lighter than the Yamaha database average. Around the 35th percentile across Yamaha models.
About 8% smaller than the Yamaha database average. Around the 45th 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.
27 hp — more powerful than about 43% of Yamaha models with power data.
558 cc — larger displacement than about 56% of Yamaha models.
145 kg — heavier than about 35% of Yamaha models, or lighter than about 65%.
12 L — larger than about 45% of Yamaha fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.00-21 |
|---|---|
| Rear tire size | 4.60-18 |
| Power-to-weight ratio | 0.186 hp/kg |
| Power-to-weight | 186.2 hp/tonne |
| Specific power | 48.4 hp/L |
| Bore/stroke ratio | 1.10:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 558 cc (34.05 cu in) |
| Power | 27 hp (19.7 kW) @ 5,500 rpm |
| Bore × stroke | 92.0 x 84 mm (3.6 x 3.3 inches) |
| Compression ratio | 8.5:1 |
| Valves per cylinder | 4 |
| 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 | Expanding brake |
|---|---|
| Rear brakes | Expanding brake |
| Front tire | 3.00-21 |
| Rear tire | 4.60-18 |
Dimensions and weight
| Wet weight | 145 kg (319.7 lb) |
|---|
Fuel and emissions
| Fuel capacity | 12.00 L (3.17 US gal) |
|---|
Performance
| Top speed | 129.0 km/h (80.2 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.