YZ125
Yamaha YZ125 for Sale at TeamMoto in QLD, NSW, VIC and ACT | Specifications and Review Information
The YZ125 represents an important evolution in Yamaha’s two-stroke lineage. Yamaha engineers put considerable thought into developing a motorcycle that would be both dominant on the racetrack and user-friendly for developing riders looking to bridge the gap between recreation riding and competitive motocross.
The advanced liquid-cooled 125cc two-stroke engine provides impressive acceleration, thrilling mid- to high-rpm power, along with supreme usability. While the lightweight finely tuned chassis means nimble handling, more control and less rider fatigue - the ideal platform for advancing skills and gaining confidence.
Yamaha YZ125 Team Yamaha Blue
POWERFUL TWO-STROKE YZ125 ENGINE
Yamaha's advanced, liquid-cooled 125cc two-stroke engine provides impressive acceleration, thrilling mid- to high-rpm power, along with supreme usability.
KEIHIN POWERJET CARBURETTOR
High-precision Hitachi Astemo® Keihin PWK38S carburetor features a power jet, throttle position sensor and 3D-map-controlled CDI unit for precise ignition timing. The result is clean, crisp throttle response, superior rideability and excellent over-rev character.
CLOSE-RATIO TRANSMISSION
Close-ratio six-speed transmission has wider transmission gear tooth width and optimised gear ratios for maximum performance.
BEST-IN-CLASS KYB SUSPENSION
Yamaha's SSS (Speed Sensitive System) KYB front forks are widely regarded as being amongst the best designs available on a production motocross bike, and the YZ125 features low speed damping settings on both the front and rear suspension systems for better handling characteristics.
LIGHTWEIGHT FRAME
Race-proven, highly developed aluminium semi-double cradle frame is engineered to provide just the right amount of strength and flex for the perfect balance of stability and cornering performance. Removable aluminium rear subframe is constructed of square-section tubing for reduced weight.
POWERFUL BRAKING SYSTEM
The high performance braking system features a 270mm front rotor, 240mm rear rotor, large front pistons and rigid calipers, all combining to provide exceptional braking power and feel.
RACE-DEVELOPED ERGONOMICS
Complete with an aluminium handlebar, two-position adjustable handlebar clamp, wide footpegs, gripper seat, adjustable clutch lever with works-style cable adjuster and lightweight rear sprocket design, the YZ125 is competition-ready straight out of the crate.
Technical Specifications
Engine
| Engine Type | Liquid-cooled, 2-stroke, reed-valve |
|---|---|
| Displacement (cc) | 125.0 |
| Bore x Stroke (mm) | 54.0 x 54.5 |
| Compression Ratio | 8.2 - 10.1 : 1 |
| Lubrication System | Premix |
| Fuel Management | PWK38S |
| Ignition | CDI |
| Starter System | Kick |
| Fuel Tank Capacity (L) | 7.0 |
| Final Transmission | Chain |
| Transmission | Constant mesh 6-speed |
Chassis
| Frame Type | Aluminium controlled filled semi double cradle |
|---|---|
| Suspension Front | Telescopic forks, 300mm travel |
| Suspension Rear | Swingarm (link suspension), 315mm travel |
| Brakes Front | Hydraulic single disc, 270mm |
| Brakes Rear | Hydraulic single disc, 240mm |
| Tyres Front | 80/100-21 Bridgestone Battlecross X20F |
| Tyres Rear | 100/90-19 Bridgestone® Battlecross X20 |
Dimensions
| Length (mm) | 2135 |
|---|---|
| Width (mm) | 825 |
| Height (mm) | 1295 |
| Seat Height (mm) | 975 |
| Wheelbase (mm) | 1440 |
| Ground Clearance (mm) | 365 |
| Wet Weight (kg) | 95 |
