Yamaha YS125: review, history, specs
Class: street
Production: 2017-2018
Predecessor: Yamaha YBR125
| Model |
|---|
| Yamaha YS125
2017-2018 (Europe) |
 |
History
| History | ||
|---|---|---|
| Year | Country | Name / Frame / Engine |
| 2017 | Europe | Name: Yamaha YS125
Code: BT41 |
| 2018 | Europe | Name: Yamaha YS125 |
Specifications
Yamaha YS125: specs.
| Specifications | ||
|---|---|---|
| DIMENSIONS | Overall length | 2005 mm / 78,9 in |
| Overall width | 735 mm / 28,9 in | |
| Overall height | 1050 mm / 41,3 in | |
| Seat height | 795 mm / 31,3 in | |
| Wheelbase | 1320 mm / 52,0 in | |
| Ground clearance | 150 mm / 5,9 in | |
| Dry weight | ||
| Curb (wet) weight | 129 kg / 284 lbs | |
| FRAME | Type | Diamond (steel) |
| Front suspension, travel | Telescopic fork, 120 mm / 4,7 in | |
| Rear suspension, travel | Swingarm with twin-shock, 112 mm / 4,4 in | |
| Front tire size | 2.75-18-42P | |
| Rear tire size | 100/80-18-59P | |
| Front brake | Single disc, 245 mm, 1-piston caliper
UBS – Unified Brake System (activated by front brake) | |
| Rear brake | Drum, 130 mm
UBS – Unified Brake System (activated by front brake) | |
| Fuel capacity | 14,0 l / 3,7 US gal (reserve – 2,2 l) | |
| Trail | 82,0 mm / 3,2 in | |
| Fuel economy / consumption | 2,35 l / 100 km (100 US mpg)[1] | |
| ENGINE | Type | Air-cooled 4-stroke |
| Cylinder arrangement | Single cylinder | |
| Bore & Stroke | 52,4 x 57,9 mm | |
| Displacement | 125 cm³ (7,6 cu in) | |
| Compression ratio | 10.0:1 | |
| Valve train | SOHC, 2 valves | |
| Max. power | 10,6 hp (7,8 kW) / 7500 rpm | |
| Max. torque | 10,8 Nm (1,1 kgf*m) / 6000 rpm | |
| Acceleration 0 to 100 km/h (0-60 mph) | ||
| Top speed | 112 km/h (70 mph)[2] | |
| CARBURETION SYSTEM | Type | Fuel Injection |
| ID | ||
| DRIVE TRAIN | Clutch | Wet, multi-plate, cable operated |
| Transmission | 5-speed | |
| Final drive | Chain | |
| Primary reduction | 3.409 | |
| Final reduction | ||
| Gear ratio
I II III IV V |
1.789 1.318 1.045 0.875 | |
| ELECTRICAL | Ignition | TCI |
| Alternator | A.C. Magneto | |
| Battery capacity | 12V-4Ah | |
Images
Yamaha YS125: images, gallery.
 |
 |
 |
Videos
Yamaha YS125: video.
Manuals
Yamaha YS125: manuals, parts, microfiches.