Yamaha YZF-R125

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Yamaha YZF-R125
Yamaha YZF-R125.jpg
ManufacturerYamaha Motor Company
Also calledYamaha R125
Parent companyYamaha Corporation
PredecessorYamaha TZR125
ClassSport bike
Engine124.7 cc (7.61 cu in) liquid-cooled 4-stroke 4-valve SOHC single-cylinder[1]
Bore / stroke52.0 mm × 58.6 mm (2.05 in × 2.31 in)
Compression ratio11.2:1
Ignition typeTCI
Transmission6-speed constant mesh, wet, multiple-disc coil spring clutch
Chain drive
Frame typeSteel twin-spar (Deltabox)
SuspensionFront: 43mm inverted fork
Rear: Swingarm (link type)
BrakesFront: Single 292mm hydraulic disc
Rear: Single 230mm hydraulic disc
TiresFront: 100/80-17
Rear: 140/70-17
Rake, trail25°, 89 mm (3.5 in)
Wheelbase1,325 mm (52.2 in)
DimensionsL: 1,990 mm (78.3 in)
W: 755 mm (29.7 in)
H: 1,140 mm (44.9 in)
Seat height820 mm (32.3 in)
Weight142 kg (313.1 lb) (wet)
Fuel capacity11.0 L (2.4 imp gal; 2.9 US gal)
Oil capacity1.15 L (0.25 imp gal; 0.30 US gal)
RelatedYamaha MT-125
Yamaha YZF-R15
For the chemical compound also referred to as R-125, see Pentafluoroethane.

The Yamaha YZF-R125 is a sport motorcycle manufactured by Yamaha since 2008. The design takes cues from more expensive sport bikes like the YZF-R6 and YZF-R1.

The top speed on the factory version of the Yamaha YZF-R125 is 85mph[2] (137kmh)

The R125 was updated for 2019. The bike now uses a new engine with addition of Variable Valve Actuation (VVA) technology amongst other improvements, and now equipped with assist and slipper clutch.[3]


  1. ^ "YZF-R125 2013 Techspecs - Motorcycles". Yamaha Motor UK. 17 November 2011. Retrieved 31 March 2013.
  2. ^ DNS Crew (17 September 2019), YAMAHA YZF-R125 0-100 KM/H + TOP SPEED!!!, retrieved 5 October 2019
  3. ^ https://www.motorcyclenews.com/news/new-bikes/yamaha-yzf-r125-2019/

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