The Yamaha YB 50 motorcycle specifications include a 49 cc (2.99 cu in) engine and a listed weight of 85 kg (187.4 lb).
Key specifications
How the Yamaha YB 50 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 91% lower than the Yamaha database average. Around the 5th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 28th percentile across Yamaha models.
About 45% smaller than the Yamaha database average. Around the 21st 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.
49 cc — larger displacement than about 5% of Yamaha models.
760 mm — taller than about 28% of Yamaha models.
7.2 L — larger than about 21% 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.
1,820
2,082
13% below average.
725
823
12% below average.
1,035
1,172
12% below average.
1,190
1,416
16% below average.
760
793
4% below average.
130
181
28% below average.
Mechanical overview
Model information
| Year released | 2002 |
|---|---|
| Category | Classic |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 49 cc (2.99 cu in) |
| Torque | 4.0 Nm (0.4 kgf-m or 3.0 ft.lbs) @ 6,000 rpm |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel control | Single Overhead Cams (SOHC) |
Brakes, wheels and tires
| Front brakes | Expanding brake |
|---|---|
| Rear brakes | Expanding brake |
Dimensions and weight
| Dry weight | 85 kg (187.4 lb) |
|---|---|
| Seat height | 760 mm (29.9 inches) |
| Overall length | 1,820 mm (71.7 inches) |
| Overall width | 725 mm (28.5 inches) |
| Overall height | 1,035 mm (40.7 inches) |
| Wheelbase | 1,190 mm (46.9 inches) |
| Ground clearance | 130 mm (5.1 inches) |
Fuel and emissions
| Fuel capacity | 7.20 L (1.90 US gal) |
|---|
Performance
| Power/weight ratio | 0.0471 hp/kg |
|---|
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.