2009 Yamaha YZF-R125

Technical Specifications

Engine

• Type - Liquid-cooled, 4-stroke, single cylinder, 4-valve, SOHC
• Displacement - 124.66 cc
• Bore x stroke - 52.0 x 58.6 mm
• Compression ratio - 11.2 : 1
• Max. Power - 11.0 kW (15 PS) @ 9,000 rpm
• Max. Torque - 12.24 Nm (1,25 kg-m) @ 8,000 rpm
• Lubrication system - Wet sump
• Fuel supply system - Fuel injection
• Clutch type - Wet, multiple-disc coil spring
• Ignition system - TCI
• Starter system - Electric
• Transmission system - Constant mesh, 6 speed
• Final transmission system - Chain
• Primary reduction ratio - 73/24 (3.042)
• Secondary reduction ratio - 48/14 (3.429)
• Gear ratio, 1st gear - 34/12 (2.833)
• Gear ratio, 2nd gear - 30/16 (1.875)
• Gear ratio, 3rd gear - 30/22 (1.364)
• Gear ratio, 4th gear - 24/21 (1.143)
• Gear ratio, 5th gear - 22/23 (0.957)
• Gear ratio, 6th gear - 21/25 (0.840)

Chassis

• Frame Steel - Deltabox
• Front suspension - Telescopic forks
• Front wheel travel - 130 mm
• Rear suspension - Swingarm (monocross)
• Rear wheel travel - 125 mm
• Caster angle - 24.2°
• Trail - 86.1 mm
• Front brake - Single disc, Ø 292 mm
• Rear brake - Single disc, Ø 230 mm
• Front tyre - 100/80-17 M/C
• Rear tyre - 130/70-17 M/C

Dimensions

• Overall length - 2,015 mm
• Overall width - 660 mm
• Overall height - 970 mm
• Seat height - 818 mm
• Wheelbase - 1,355 mm
• Min. ground clearance - 155 mm
• Wet weight (including full oil and fuel tank) - 138 kg
• Fuel capacity - 13.8 litres
• Oil capacity - 1.15 litres

Specification are subject to change without notice, in accordance with national regulation and legislations