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| Yamaha YZF R125 |
Engine
| Engine type | Single cylinder, Water-cooled , 4-stroke, SOHC, 4-valves |
| Displacement | 124.7cc |
| Bore x stroke | 52.0 mm x 58.6 mm |
| Compression ratio | 11.2 : 1 |
| Maximum power | 11.0 kW (15.0PS) @ 9,000 rpm |
| Limited power version | kW (PS) @ rpm |
| Maximum torque | 12.4 Nm (1.25 kg-m) @ 8,000 rpm |
| Lubrication system | Wet sump |
| Clutch type | Wet, multiple-disc coil spring |
| Fuel system | Electronic Fuel Injection |
| Ignition system | TCI (digital) |
| Starter system | Electric |
| Transmission system | Constant Mesh, 6-speed |
| Final transmission | Chain |
Chassis
| Frame | Steel Deltabox |
| Front suspension system | Upside-down telescopic fork, Ø 41 mm |
| Front travel | 130 mm |
| Caster angle | 25º |
| Trail | 89 mm |
| Rear suspension system | Monoshock with spring preload adjustment |
| Rear travel | 114 mm |
| Front brake | Hydraulic single disc, Ø 292 mm |
| Rear brake | Hydraulic single disc, Ø 230 mm |
| Front tyre | 100/80-17 M/C |
| Rear tyre | 130/70-17 M/C |
Dimensions
| Overall length | 1,955 mm |
| Overall width | 680 mm |
| Overall height | 1,065 mm |
| Seat height | 825 mm |
| Wheel base | 1,355 mm |
| Minimum ground clearance | 155 mm |
| Weight (including full oil and fuel tank) | 140 kg |
| Fuel tank capacity | 11.5 litres |
| Oil tank capacity | 1.15 litres |
