25 June. Thursday 2026
Yamaha YZF-R125 WGP 50th Anniversary - 2012 Specifications and Reviews
The 2012 Yamaha YZF-R125 WGP 50th Anniversary is a lightweight sport bike designed for beginner and young riders seeking an accessible entry point into sportbike riding. Powered by a 125cc liquid-cooled four-stroke engine with electronic fuel injection, it delivers manageable performance while maintaining the iconic YZF styling. Known for its agility, fuel efficiency, and affordability, this commemorative model is best suited for learners developing foundational riding skills.
2012
General information | |
| Category | Sport |
| Year | 2012 |
| Model | Yamaha YZF-R125 WGP 50th Anniversary |
| | |
Engine and Transmission Specifications | |
| Clutch | Wet, multiple-disc coil spring |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | TCI (digital) |
| Fuel control | SOHC |
| Fuel system | Injection. Electronic Fuel Injection |
| Valves per cylinder | 4 |
| Bore x stroke | 52.0 x 58.6 mm (2.0 x 2.3 inches) |
| Compression | 11.2:1 |
| Torque | 12.24 Nm (1.2 kgf-m or 9.0 ft.lbs) @ 8000 |
| Power | 14.75 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 124.70 ccm (7.61 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 230 mm (9.1 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 292 mm (11.5 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 130/70-17 |
| Front tyre dimensions | 100/80-17 |
| Rear suspension travel | 125 mm (4.9 inches) |
| Rear suspension | Linked monoshock with spring preload adjustment |
| Front suspension travel | 130 mm (5.1 inches) |
| Front suspension | Telescopic forks |
| Trail | 86 mm (3.4 inches) |
| Rake (fork angle) | 24.2° |
| Frame type | Aluminium Deltabox |
| | |
Physical measures and capacities | |
| Oil capacity | 1.20 litres (0.08 quarts) |
| Fuel capacity | 13.80 litres (3.65 gallons) |
| Wheelbase | 1,355 mm (53.3 inches) |
| Ground clearance | 155 mm (6.1 inches) |
| Overall width | 660 mm (26.0 inches) |
| Overall length | 2,015 mm (79.3 inches) |
| Overall height | 970 mm (38.2 inches) |
| Seat height | 818 mm (32.2 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 138.0 kg (304.2 pounds) |
Other specs | |
| Light | Dual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light |
| Wheelbase | 1,270 mm (50.0 inches) |
| Rear tyre | 20/10-9 |
| Front tyre | 21/7-10 |
| Rear Suspension | Cast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel |
| Front Suspension | Independent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound |
| Driveline | 2WD; Sealed O-Ring Chain, Eccentric Adjustment |
| Valves per cylinder | 5 |
| Bore x Stroke | 95.0 x 63.4 mm (3.7 x 2.5 inches) |
| Compression | 11.6:1 |
| Engine details | Titanium valves |
| Model | Yamaha YFZ450X SE |
| Color options | Red/white/black |
| Instruments | Digital and analogue instruments |
| Starter | Electric |
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