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Yamaha YZF-R125 is the most advanced 125 production supersport machine that Yamaha has ever built. This radical, high-revving, fuel-injected 125 is the work of the same engineers who created our legendary YZF-R1 and YZF-R6 supersport bikes. And, as you’d expect, the YZF-R125 is packed with advanced MotoGP technology as well as a whole range of R-series type engine and chassis features.

Its liquid-cooled, 4-stroke, 4-valve, single cylinder, SOHC engine is tuned to deliver free-revving performance right through to maximum power at 9,000rpm – and for instant response and efficient operation this remarkable 6-speed 125 is equipped with a compact fuel injection system. The race-inspired chassis features a Deltabox frame and aluminium swinging arm for outstanding handling performance, and lightweight 5-spoke wheels help to minimize unsprung weight to give impressive roadholding. A large diameter 292mm front disc with a 230mm diameter rear disc make for effective stopping power, and the aggressive R-series bodywork lets everybody know exactly where this bike’s DNA has come from!


Here the detailed Specification:

Type: Liquid cooled, four-stroke, SOHC, 4v single cylinder
Displacement: 124.66cc
Bore & Stroke: 52 x 58.6mm
Carburation: fuel injection
Gearbox: Six-speed
Power: 15bhp @ 9,000rpm
Torque: 12.24 nm @ 8,000rpm




Chassis: Steel Deltabox
Suspension: (F) Telescopic forks
(R) monocross
Brakes: (F) Single disc 292mm
(R) Single disc 230mm
Wheelbase: 1,355mm
Capacity: 126.5kg
Dry Weight: 189kg (416lb)