Yamaha YZF-R125: review, history, specs
Class: sport
Production: 2008+
Also called: Yamaha R125
| Models | ||
|---|---|---|
| Yamaha YZF-R125
2008-2013 (Europe) |
Yamaha YZF-R125
2014-2018 (Europe) |
Yamaha YZF-R125
2019-2024 (Europe) |
 |
 |
 |
| Models | |
|---|---|
| Yamaha YZF-R125 World GP 60th Anniversary
2022 (Europe) |
Yamaha YZF-R125
2025+ (Europe) |
 |
 |
Yamaha YZF-R125: electronic equipment
- 5-inch TFT colour display - 2025+
- Led lights - 2025+
- Traction control - 2025+
- Smartphone Connectivity - 2025+
History
| History | ||
|---|---|---|
| Year | Country | Name / Frame / Engine |
| 2008 | Europe | Name: Yamaha YZF-R125
Code: 5D71 |
| 2009 | Europe | Name: Yamaha YZF-R125
Code: 5D72, 5D75 |
| 2010 | Europe | Name: Yamaha YZF-R125
Code: 5D74 |
| 2011 | Europe | Name: Yamaha YZF-R125
Code: 5D77 |
| 2012 | Europe | Name: Yamaha YZF-R125
Code: 5D7B, 5D79 |
| 2013 | Europe | Name: Yamaha YZF-R125
Code: 5D7F, 5D7J |
| 2014 | Europe | Name: Yamaha YZF-R125
Code: 5D78, 5D7K |
| 2015 | Europe | Name: Yamaha YZF-R125 + ABS
Code: 5D7R, 5D7P, 5D7M + 5D7N, 5D7E |
| 2016 | Europe | Name: Yamaha YZF-R125 + ABS
Code: 5D7W, 5D7S + 5D7X, 5D7T |
| 2017 | Europe | Name: Yamaha YZF-R125 ABS
Code: BR61 |
| 2018 | Europe | Name: Yamaha YZF-R125 ABS
Code: BR62 |
| 2019 | Europe | Name: Yamaha YZF-R125 ABS
Code: B5G1 |
| 2020 | Europe | Name: Yamaha YZF-R125 ABS |
| 2021 | Europe | Name: Yamaha YZF-R125 ABS |
| 2022 | Europe | Name: Yamaha YZF-R125 ABS + World GP 60th Anniversary Edition |
| 2023 | Europe | Name: Yamaha YZF-R125 ABS |
| 2024 | Europe, Japan | Name: Yamaha YZF-R125 ABS |
| 2025 | Europe, Japan | Name: Yamaha YZF-R125 ABS |
Specifications
Yamaha YZF-R125: specs.
| Specifications | ||
|---|---|---|
| DIMENSIONS | Overall length | 2015 mm / 79,3 in – Yamaha YZF-R125 (2008-2013)
1955 mm / 77,0 in – Yamaha YZF-R125 (2014-2024) 1990 mm / 78,3 in – Yamaha YZF-R125 (2025+) |
| Overall width | 660 mm / 26,0 in – Yamaha YZF-R125 (2008-2013)
680 mm / 26,8 in – Yamaha YZF-R125 (2014-2024) 715 mm / 28,1 in – Yamaha YZF-R125 (2025+) | |
| Overall height | 1065 mm / 41,9 in
1145 mm / 45,1 in – Yamaha YZF-R125 (2025+) | |
| Seat height | 818 mm / 32,2 in – Yamaha YZF-R125 (2008-2013)
825 mm / 32,5 in – Yamaha YZF-R125 (2014-2024) 820 mm / 32,3 in – Yamaha YZF-R125 (2025+) | |
| Wheelbase | 1355 mm / 53,3 in
1325 mm / 52,1 in – Yamaha YZF-R125 (2025+) | |
| Ground clearance | 155 mm / 6,1 in
160 mm / 6,3 in – Yamaha YZF-R125 (2025+) | |
| Dry weight | ||
| Curb (wet) weight | 138 kg / 304 lbs – Yamaha YZF-R125 (2008-2013)
140 kg / 309 lbs – Yamaha YZF-R125 (2014-2018) 142 kg / 313 lbs – Yamaha YZF-R125 ABS (2019-2024) 141 kg / 311 lbs – Yamaha YZF-R125 ABS (2025+) | |
| FRAME | Type | Deltabox (steel) |
| Front suspension, travel | Telescopic fork 33 mm, 130 mm / 5,1 in – Yamaha YZF-R125 (2008-2013)
Inverted telescopic fork 41 mm – Yamaha YZF-R125 (2014+) | |
| Rear suspension, travel | Swingarm with mono-shock (adjustable spring pre-load), 114 mm / 4,5 in
Swingarm with mono-shock (adjustable spring pre-load), 110 mm / 4,3 in – Yamaha YZF-R125 (2025+) | |
| Front tire size | 100/80-17 M/C (52H) | |
| Rear tire size | 130/70-17 M/C (62H)
140/70-17 M/C - 2019+ | |
| Front brake | Single disc, 292 mm, 2-piston caliper – Yamaha YZF-R125 (2008-2013)
Single disc, 292 mm, 4-piston radial caliper (ABS – 2015+) – Yamaha YZF-R125 (2014+) | |
| Rear brake | Single disc, 230 mm, 1-piston caliper (ABS – 2015+)
Single disc, 220 mm, 1-piston caliper (ABS) - from 2019 | |
| Fuel capacity | 13,8 l / 3,65 US gal (reserve – 1,6 l) – Yamaha YZF-R125 (2008-2013)
11,5 l / 3,04 US gal (reserve – 3,0 l) – Yamaha YZF-R125 (2014-2024) 11,0 l / 2,9 US gal – Yamaha YZF-R125 (2025+) | |
| Trail | 86,1 mm / 3,39 in – Yamaha YZF-R125 (2008-2013)
89,0 mm / 3,5 in – Yamaha YZF-R125 (2014-2024) 95,0 mm / 3,7 in – Yamaha YZF-R125 (2025+) | |
| Fuel economy / consumption | 2,13 l / 100 km (110 US mpg)[1] | |
| ENGINE | Type | Liquid-cooled 4-stroke |
| Cylinder arrangement | Single cylinder | |
| Bore & Stroke | 52,0 x 58,6 mm | |
| Displacement | 124,7 cm³ (7,6 cu in) | |
| Compression ratio | 11.2:1 | |
| Valve train | Chain driven SOHC, 4 valves
VVA (Variable Valve Actuation) – Yamaha YZF-R125 (2019+) | |
| Max. power | 15,0 hp (11,0 kW) / 9000 rpm
15,0 hp (11,0 kW) / 10000 rpm - 2025+ | |
| Max. torque | 12,2 Nm (1,3 kgf*m) / 8000 rpm
11,5 Nm (1,16 kgf*m) / 8000 rpm - 2025+ | |
| Acceleration 0 to 100 km/h (0-60 mph) | 11,7 sec.[2] | |
| Top speed | 140 km/h (87 mph)[3] | |
| CARBURETION SYSTEM | Type | Fuel Injection |
| ID | ||
| DRIVE TRAIN | Clutch | Wet, multi-plate, cable operated
Assist and Slipper clutch – 2019+ |
| Transmission | 6-speed | |
| Final drive | Chain | |
| Primary reduction | 3.042 | |
| Final reduction | ||
| Gear ratio
I II III IV V VI |
1.875 1.364 1.143 0.957 0.840 | |
| ELECTRICAL | Ignition | TCI (digital) |
| Alternator | A.C. Magneto | |
| Battery capacity | 12V-5.5Ah | |
Images
Yamaha YZF-R125: images, gallery.
 |
 |
 |
 |
 |
 |
 |
Videos
Yamaha YZF-R125: video.
Manuals
Yamaha YZF-R125: manuals, parts, microfiches.