14 August. Friday 2026
Yamaha YZF-R125 - 2012 Specifications and Reviews
The 2012 Yamaha YZF-R125 is an entry-level sport bike designed for new riders and commuters seeking an affordable, nimble machine. Its lightweight 125cc liquid-cooled engine delivers adequate power for urban riding and highway cruising, while the aggressive YZF styling appeals to riders wanting sportbike aesthetics without premium costs or complexity.
General information | |
| Category | Sport |
| Year | 2012 |
| Model | Yamaha YZF-R125 |
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) |
| 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-M17 |
| Front tyre dimensions | 100/80-M17 |
| 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 | Steel 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 | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Grey, blue, white |
| Starter | Electric |
Performance Profile & Rider Fit
200 hp
Peak Power
2.9s
0-60 mph
Best For
Track98%
City25%
Cornering95%
Daily Riding25%
Touring20%
Passenger15%
Rider Profile
| Best For | Note: the specifications provided are for the Yamaha YZF-R1 (2025), a flagship literbike, not the YZF-R125 (2026) named in the request, so this profile reflects the R1's character; this machine demands an experienced, skilled rider comfortable with extrem |
| Purpose | Built primarily for track riding and high-performance sport road use, with race-derived electronics and chassis geometry prioritizing outright speed and cornering precision. |
| Rider Fit | Requires a fit rider able to handle an aggressive forward-leaning riding position, high footpegs, and significant physical input under hard acceleration and braking. |
| Character | A razor-sharp, race-bred superbike that rewards commitment and skill with explosive acceleration, crossplane-crank character, and pinpoint cornering ability. |
| Not Ideal For | Not suitable for beginners, commuters seeking comfort, or riders wanting a relaxed upright touring or passenger-friendly experience. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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