The Yamaha YBR125 motorcycle specifications include a 124 cc (7.57 cu in) engine, power of 10.1 hp (7.3 kW) @ 10,000 rpm, a 5-speed gearbox, and a listed weight of 113 kg (249.1 lb).
Key specifications
2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018Model years
124 ccDisplacement
10.1 hpPower
9.6 Nm @ 2,100 rpmTorque
113 kgDry weight
780 mmSeat height
13 LFuel tank
1,290 mmWheelbase
Model years covered
2008200920112012201320142015201620172018
Year-specific specification changes
The 2008 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Frame
20122018Steel, diamond shaped
Front brakes
2012Single disc. Hydraulic
Front tire
20092.75-18
2011-.42
201220182.75-18
Fuel system
20132017Injection. EFI
2018Carburettor
Torque
20099.6 Nm (1.0 kgf-m or 7.1 ft.lbs)
201120189.6 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 6,000 rpm
Wheelbase
20181,300 mm (51.2 inches)
Clutch
20132018Wet, multiple-disc coil spring
Front wheel travel
20092018120 mm (4.7 inches)
Fuel capacity
201813.60 L (3.59 US gal)
Ground clearance
20132018160 mm (6.3 inches)
Overall height
20181,100 mm (43.3 inches)
Overall length
201320171,985 mm (78.1 inches)
20182,065 mm (81.3 inches)
Rear wheel travel
20092018105 mm (4.1 inches)
How the Yamaha YBR125 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 power10.1 hp
Low 2.8 hpAverage 53.3 hpHigh 171.2 hp
About 81% lower than the Yamaha database average. Around the 17th percentile across Yamaha models.
Displacement124 cc
Low 49 ccAverage 550 ccHigh 1,852 cc
About 77% lower than the Yamaha database average. Around the 18th percentile across Yamaha models.
Seat height780 mm
Low 635 mmAverage 793 mmHigh 989 mm
Very close to the Yamaha database average. Around the 39th percentile across Yamaha models.
Fuel capacity13 L
Low 4 LAverage 13 LHigh 24 L
Very close to the Yamaha database average. Around the 50th percentile across Yamaha models.
This model Yamaha database average
Mechanical overview
Engine layout snapshot
Single cylinder, four-stroke • 124 cc • Air cooled • 10.1 hp
Chassis snapshot
Wheelbase 1,290 mmSeat 780 mmClearance 175 mm
5-speed • Chain (final drive) • 100/80-M17 front / 90/90-M18 rear
Additional useful specifications
| Front tire size |
100/80-M17 |
| Rear tire size |
90/90-M18 |
| Power-to-weight ratio |
0.089 hp/kg |
| Power-to-weight |
89.4 hp/tonne |
| Specific power |
81.5 hp/L |
| Bore/stroke ratio |
1.00:1 (Square) |
Engine specifications
| Engine type |
Single cylinder, four-stroke |
| Displacement |
124 cc (7.57 cu in) |
| Power |
10.1 hp (7.3 kW) @ 10,000 rpm |
| Torque |
9.6 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 2,100 rpm |
| Bore × stroke |
54.0 x 54 mm (2.1 x 2.1 inches) |
| Compression ratio |
10.0:1 |
| Cooling system |
Air |
| Fuel system |
Injection |
| Fuel control |
Single Overhead Cams (SOHC) |
| Ignition |
TCI |
| Starter |
Electric & kick |
| Lubrication |
Wet sump |
Transmission and drivetrain
| Gearbox |
5-speed |
| Final drive |
Chain (final drive) |
| Clutch |
Wet, multiple disc |
Chassis and suspension
| Frame |
Diamond shaped |
| Front suspension |
Telescopic forks |
| Rear suspension |
Swingarm |
| Front wheel travel |
130 mm (5.1 inches) |
| Rear wheel travel |
120 mm (4.7 inches) |
Brakes, wheels and tires
| Front brakes |
Single disc |
| Rear brakes |
Expanding brake (drum brake) |
| Front tire |
100/80-M17 |
| Rear tire |
90/90-M18 |
Dimensions and weight
| Dry weight |
113 kg (249.1 lb) |
| Seat height |
780 mm (30.7 inches) |
| Overall length |
1,980 mm (78.0 inches) |
| Overall width |
745 mm (29.3 inches) |
| Overall height |
1,080 mm (42.5 inches) |
| Wheelbase |
1,290 mm (50.8 inches) |
| Ground clearance |
175 mm (6.9 inches) |
Fuel and emissions
| Fuel capacity |
13.00 L (3.43 US gal) |
Performance
| Power/weight ratio |
0.0889 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.