The Yamaha DT50X 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 98 kg (216.1 lb).
Key specifications
2007-2012Model years
50 ccDisplacement
2.8 hpPower
3.3 Nm @ 5,250 rpmTorque
98 kgDry weight
870 mmSeat height
6 LFuel tank
1,350 mmWheelbase
Model years covered
200720082009201020112012
Year-specific specification changes
The 2007 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Bore × stroke
201274.0 x 58 mm (2.9 x 2.3 inches)
Displacement
2008201149.7 cc (3.03 cu in)
2012249 cc (15.19 cu in)
Dry weight
201197 kg (213.8 lb)
2012133 kg (293.2 lb)
Engine type
2012Single cylinder, four-stroke
Front suspension
2008Telescopic
201235mm telescopic fork
Fuel system
2011Carburettor
2012Injection
Torque
201219.0 Nm (1.9 kgf-m or 14.0 ft.lbs) @ 6,500 rpm
Wheelbase
20121,365 mm (53.7 inches)
Overall height
20121,110 mm (43.7 inches)
Overall length
20122,040 mm (80.3 inches)
Power/weight ratio
20110.0291 hp/kg
20120.1353 hp/kg
How the Yamaha DT50X 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.
Engine power2.8 hp
Low 2.8 hpAverage 53.3 hpHigh 171.2 hp
About 95% lower than the Yamaha database average. Around the 4th percentile across Yamaha models.
Displacement50 cc
Low 49 ccAverage 550 ccHigh 1,852 cc
About 91% lower than the Yamaha database average. Around the 8th percentile across Yamaha models.
Seat height870 mm
Low 635 mmAverage 793 mmHigh 989 mm
About 10% taller than the Yamaha database average. Around the 88th percentile across Yamaha models.
Fuel capacity6 L
Low 4 LAverage 13 LHigh 24 L
About 54% smaller than the Yamaha database average. Around the 13th percentile across Yamaha models.
This model Yamaha database average
Mechanical overview
Engine layout snapshot
Single cylinder, two-stroke • 50 cc • Liquid cooled • 2.8 hp
Chassis snapshot
Wheelbase 1,350 mmSeat 870 mmClearance 317 mm
6-speed • Chain (final drive) • 100/80-17 front / 130/70-17 rear
Additional useful specifications
| Front tire size |
100/80-17 |
| Rear tire size |
130/70-17 |
| Front tire width |
100 mm |
| Front tire aspect ratio |
80% |
| Front rim diameter |
17 in |
| Rear tire width |
130 mm |
| Rear tire aspect ratio |
70% |
| Rear rim diameter |
17 in |
| Power-to-weight ratio |
0.029 hp/kg |
| Power-to-weight |
28.6 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 |
100/80-17 |
| Rear tire |
130/70-17 |
Dimensions and weight
| Dry weight |
98 kg (216.1 lb) |
| Seat height |
870 mm (34.3 inches) |
| Overall length |
2,000 mm (78.7 inches) |
| Overall width |
850 mm (33.5 inches) |
| Overall height |
1,115 mm (43.9 inches) |
| Wheelbase |
1,350 mm (53.1 inches) |
| Ground clearance |
317 mm (12.5 inches) |
Fuel and emissions
| Fuel capacity |
6.00 L (1.59 US gal) |
Performance
| Power/weight ratio |
0.0287 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.