The Yamaha YBR 125 is a light motorcycle manufactured by the Yamaha Motor Company Ltd. of Japan. Introduced in 2005, It comes in naked[1], faired and 'Custom'[2] variants. It has a single-cylinder, air-cooled, four-stroke engine, displacing 124 cc (7.6 cu in). It is a very popular learner motorcycle in many countries. Pre 2008 models use a carburetor system, with 2008-Present models using a fuel injection system
Specifications
2008-2010 Model Years (Fuel Injection - EU Spec)[3]:Engine -
- Engine type Air-cooled, 4-stroke, forward inclined single cylinder, 2-valve, SOHC
- Displacement 124 cc
- Bore x stroke 54.0 x 54.0 mm
- Compression ratio 10.0 : 1
- Maximum power 7.5 kW (10 PS) @ 7,800 rpm
- Maximum torque 9.6 Nm (0.98 kg-m) @ 6,000 rpm
- Lubrication system Wet sump
- Fuel System Fuel injection
- Clutch type Wet, multiple disc
- Ignition system TCI
- Starter system Electric and kick
- Transmission system Constant mesh, 5-speed
- Final transmission Chain
- Fuel tank capacity 13 L (2010 model- 13.4)
- Oil tank capacity 1.2 L
- Chassis: Diamond shaped
- Front suspension system Telescopic forks
- Front travel 120 mm
- Rear suspension system Swingarm
- Rear travel 105 mm
- Caster angle 26º 20'
- Trail 90 mm
- Front brake Single disc, Ø 245 mm
- Rear brake Drum, Ø 130 mm
- Front tyre 2.75-18 42P
- Rear tyre 90/90-18 M/C 57P
- Length 1,980 mm
- Width 745 mm
- Height 1,080 mm
- Seat height 780 mm
- Wheelbase 1,290 mm
- Minimum ground clearance 175 mm
- Wet weight 124 kg
