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The R-Series Pedigree: YZF-R125 Model Evolution

A record of all major model changes to the YZF-R125

2008
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2014
2019
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2021
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  • Styling created to closely link to the R-Series
  • Liquid-cooled 4-stroke SOHC, 4-valve, single-cylinder engine
  • Deltabox frame
  • New fairing with center intake duct
  • Inverted front fork
  • LED taillight
  • New engine with Variable Valve Actuation (VVA)
  • Assist & Slipper clutch
  • New aluminum swingarm
  • New 11-liter fuel tank
  • ABS, radial-mount opposed-piston 4-pot front brake caliper
  • 140 mm wide rear tire
  • EU5-compliant

Overall length

2015mm

1950mm

1990mm

Overall width

660mm

695mm

755mm

Overall height

1065mm

1140 mm

Seat height

818mm

825mm

820 mm

Wheelbase

1355mm

1355mm

1325 mm

Wet(with oil and a full fuel tank)

138kg

140kg

142kg

144kg

Engine type

4-stroke

Cylinder arrangement

Single cylinder

Displacement

124.45 cm3

Bore & stroke

52.0 x 58.6 mm

Compression ratio

11.2 : 1

Maximum horse power

11.0 kW at 9000 r/min

11.0 kW at 10000 r/min

Maximum torque

12.4 Nm at 8000 r/min

11.5 Nm at 8000 r/min

Lubrication system

Wet sump

Engine oil capacity

1.15 L

1.05 L

Fuel tank capacity

13.8L

11.5L

11L

Frame type

Diamond

Caster angle

25°

26°

Trail

93mm

95mm

Steering Angle

29.5°

32°

Tire size(Front)

100/80-17M/C 52H(Tubeless)

100/80-17M/C 52S(Tubeless)

Tire size(Rear)

130/70-17M/C 62H(Tubeless)

140/70-17M/C 66S(Tubeless)

Rim size(Front)

17XMT2.75

Rim size(Rear)

17XMT3.75

17XMT4.00

Brake type(Front)

Hydraulic single disk

Brake type(Rear)

Hydraulic single disk

Diameter of brake disk(Front)

292x4.5

Diameter of brake disk(Rear)

230x4

220x4

Inside diameter of drum / Effective diameter of disc(Front)

256

Inside diameter of drum / Effective diameter of disc(Rear)

195

191

Suspension type(Front)

Telescopic

Telescopic / Inverted

Suspension type(Rear)

Swingarm

Shock absorber assembly type(Front)

Oil damper/coil spring

Shock absorber assembly type(Rear)

Oil damper/coil spring

Wheel travel(Front)

130mm

Wheel travel(Rear)

125mm

114mm

110mm

Inner tube diameter of front fork

33mm

41mm

Headlight bulb type

Halogen bulb

LED

Headlight

H7, 55.0 W x 2

Low Beam LED 5.7W - High Beam LED 13W

Auxiliary light

5.0 W x 2

Position Light LED 0.3W x 2

Brake/tail light

LED

Stop Light LED 3W - Tail Light LED 1W

Turn signal light(Front)

10.0 W x 2

Turn signal light(Rear)

10.0 W x 2

Speedometer

LCD : Digital

LCD : Digital

LCD : Digital

LCD : Digital

スワイプ

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