YZ125 Monster Energy
Featuring a 2-stroke, 125cc powerplant with all-new engine internals as well as a redesigned YPVS (Yamaha Power Valve System) and a new Keihin powerjet carburettor for explosive acceleration, the YZ125 Monster Energy Yamaha Racing Edition develops more peak power that keeps you way out front – and the slicker-shifting 6-speed transmission and revised gear ratios help to shave precious seconds off your lap times.
With its exclusive black and blue colour scheme and factory team style graphics, the YZ125 Monster Energy Racing Edition is the ultimate production race bike. Its slim-new bodywork and flat seat allow you to shift weight quickly for total control – and with its powerful new braking system and state-of-the-art suspension, this special edition is destined for the victorYZone!
| Engine type | Liquid-cooled, 2-stroke, Forward-inclined single cylinder, Reed valve with YPVS |
| Displacement | 125cc |
| Bore x stroke | 54,0 x 54,5 mm |
| Compression ratio | 8,2-10,1 : 1 |
| Maximum torque | N/A |
| Lubrication system | Premix |
| Clutch type | Wet, Multiple Disc |
| Ignition system | CDI |
| Starter system | Kick |
| Transmission system | Constant Mesh, 6-speed |
| Final transmission | Chain |
| Fuel system | Keihin PWK38S/1 |