The Yamaha DT50R motorcycle specifications include a 50 cc (3.05 cu in) engine, power of 2.8 hp (2.1 kW) @ 6,750 rpm, a 6-speed gearbox, and a listed weight of 105 kg (231.5 lb).
Key specifications
The 2007 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha DT50R 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 95% lower than the Yamaha database average. Around the 4th percentile across Yamaha models.
About 91% lower than the Yamaha database average. Around the 8th percentile across Yamaha models.
About 14% taller than the Yamaha database average. Around the 91st percentile across Yamaha models.
About 54% smaller than the Yamaha database average. Around the 13th 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.
2.8 hp — more powerful than about 4% of Yamaha models with power data.
50 cc — larger displacement than about 8% of Yamaha models.
900 mm — taller than about 91% of Yamaha models.
6 L — larger than about 13% 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.
2,050
2,082
Close to average.
850
823
3% above average.
1,160
1,172
Close to average.
1,350
1,416
5% below average.
900
793
14% above average.
347
181
92% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 80/90-21 |
|---|---|
| Rear tire size | 110/80-18 |
| Front tire width | 80 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 21 in |
| Rear tire width | 110 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 18 in |
| Power-to-weight ratio | 0.027 hp/kg |
| Power-to-weight | 26.7 hp/tonne |
| Specific power | 56.0 hp/L |
| Bore/stroke ratio | 1.03:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 50 cc (3.05 cu in) |
| Power | 2.8 hp (2.1 kW) @ 6,750 rpm |
| Torque | 3.3 Nm (0.3 kgf-m or 2.4 ft.lbs) @ 5,250 rpm |
| Bore × stroke | 40.3 x 39 mm (1.6 x 1.5 inches) |
| Compression ratio | 12.0:1 |
| Cooling system | Liquid |
| Fuel system | Carburettor. Dell´Orto PHBN 16 |
| Ignition | Spark ignition |
| Starter | Kick |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front suspension | Telescopic fork |
|---|---|
| Rear suspension | Hydraulic shock absorber |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 80/90-21 |
| Rear tire | 110/80-18 |
Dimensions and weight
| Dry weight | 105 kg (231.5 lb) |
|---|---|
| Seat height | 900 mm (35.4 inches) |
| Overall length | 2,050 mm (80.7 inches) |
| Overall width | 850 mm (33.5 inches) |
| Overall height | 1,160 mm (45.7 inches) |
| Wheelbase | 1,350 mm (53.1 inches) |
| Ground clearance | 347 mm (13.7 inches) |
Fuel and emissions
| Fuel capacity | 6.00 L (1.59 US gal) |
|---|
Performance
| Power/weight ratio | 0.0268 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.