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Technical Specifications 2008-YZF-R125

Engine
Engine typeLiquid-cooled, 4-stroke, 4-valve, single cylinder, SOHC, 3 way catalytic converter
Displacement124.66 cc
Bore x stroke52.0 x 58.6 mm
Compression ratio11.2 : 1
Maximum power11.0 kW (15 PS) @ 9,000 rpm
Maximum torque12.24 Nm (1,25 kg-m) @ 8,000 rpm
Lubrication systemWet sump
Clutch typeWet, multiple-disc coil spring
Ignition systemTCI
Starter systemElectric
Transmission systemConstant mesh, 6-speed
Primary reduction ratio73/24 (3.042)
Secundary reduction ratio48/14 (3.429)
Final transmissionChain R428HBSOR/ROLON
Ratios gearbox 1st34/12 (2.833)
Ratios gearbox 2nd30/16 (1.875)
Ratios gearbox 3rd30/22 (1.364)
Ratios gearbox 4th24/21 (1.143)
Ratios gearbox 5th22/23 (0.957)
Ratios gearbox 6th21/25 (0.840)
Chassis
ChassisSteel Deltabox
Front suspension systemTelescopic forks 33mm Ø
Front wheel travel130 mm
Rear suspension systemSwingarm (monocross)
Rear wheel travel125 mm
Front brakeSingle disc, Ø 292 mm
Rear brakeSingle disc, Ø 230 mm
Front tyre100/80-17 M/C
Rear tyre130/70-17 M/C
Dimensions
Overall length2,015 mm
Overall width660 mm
Overall height970 mm
Seat height818 mm
Wheelbase1,355 mm
Minimum ground clearance155 mm
Dry weight126.5 kg
Fuel tank capacity (reserve)13.8 L (1.6 L)
Engine oil tank capacity1.15 L

Specifications and appearance of Yamaha products shown here are subject to change without notice and may vary according to requirements and conditions. For further details please consult your Yamaha dealer.

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