| Manufacturer | Yamaha Motor Company |
|---|---|
| Parent company | Yamaha Corporation |
| Model year | 2008– |
| Class | Sport bike |
| Engine | 124.66 cc (7.607 cu in) liquid-cooled, 4-stroke, single cylinder, 4-valve, SOHC |
| Bore / Stroke | 52.0 × 58.6 mm (2.05 × 2.31 in) |
| Compression ratio | 11.2:1 |
| Power | 11.0 kW (14.8 hp) @ 9,000 rpm |
| Torque | 12.24 N·m (9.03 ft·lbf) @ 8,000 rpm |
| Ignition type | TCI |
| Transmission | Wet, multiple-disc coil spring clutch, constant mesh, 6-speed gearbox Chain drive. |
| Frame type | Steel Deltabox |
| Suspension |
Front: Telescopic 130 mm (5.1 in) travel Rear: Swingarm (monocross), 125 mm (4.9 in) travel |
| Brakes | Front: single disc, Ø 292 mm (11.5 in) Rear: single disc, Ø 230 mm (9.1 in) |
| Tires | Front: 100/80-17 M/C Rear: 130/70-17 M/C |
| Rake, Trail | 24.2°, 86.1 mm (3.39 in) |
| Wheelbase | 1,355 mm (53.3 in) |
| Dimensions | L 2,015 mm (79.3 in) W 660 mm (26 in) H 970 mm (38 in) |
| Seat height | 818 mm (32.2 in) |
| Weight | 138 kg (300 lb) (wet) |
| Fuel capacity | 13.8 L (3.0 imp gal; 3.6 US gal) |
| Oil capacity | 1.15 L (0.25 imp gal; 0.30 US gal) |
The Yamaha YZF-R125, introduced in 2008, is a sport bike manufactured by Yamaha Motor Company. The 125 cc engine produces 11 kW (15 hp), making it learner-legal in many countries with a tiered system. The design takes cues from other R-series motorcycles like the YZF-R6 and YZF-R1.
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