- Two-Stroke Agility, Tuned for Cross Country and Hare Scrambles Racing
The all-new YZ125X™ is optimized for the unique demands of Hare Scrambles and GNCC® racing. The YPVS™-equipped 125cc two-stroke engine is combined with a six-speed transmission for the ultimate cross country power plant. - Lightweight Aluminum Frame
Ultra-lightweight YZ125™-spec frame features carefully engineered combination of aluminum castings, forgings and extrusions for the perfect balance of rigidity and flex, with industry-leading fully adjustable, KYB® speed sensitive spring-type suspension tested and tuned specifically for the needs of cross country racers. - GNCC®-Specific features
18-inch rear wheel, sealed O-ring chain, off-road focused tires and suspension settings, a standard side stand and fuel tank petcock with reserve position. - Industry-Leading Suspension
Yamaha’s renowned spring-type KYB® fork is matched with a long-travel shock, both fully adjustable and tuned for the demands of cross country racing. - Racing Style and Ergonomics
The YZ125X carries the racing heritage of the YZ motocrosser with aggressive styling from front fender to the rear brake protector, and is ready to race out of the crate, complete with an aluminum tapered handlebar, YZ-F-style foot pegs, gripper seat, and Dunlop® tires.
Engine
| Engine type | liquid-cooled, 2-stroke, Forward-inclined single cylinder, reed valve with YPVS |
| Displacement | 125cc |
| Bore x stroke | 54.0 mm x 54.5 mm |
| Compression ratio | 8.6 ~10.7 : 1 |
| Maximum power | – |
| Maximum Torque | – |
| Lubrication system | Premix |
| Clutch Type | Wet, multiple-disc coil spring |
| Carburettor | Mikuni TMX38 |
| Ignition system | CDI |
| Starter system | Kick |
| Transmission system | Constant Mesh, 6-speed |
| Final transmission | Chain |
Chassis
| Frame | Semi double cradle |
| Front suspension system | Upside-down telescopic fork |
| Front travel | 300 mm |
| Caster Angle | 26º |
| Trail | 109 mm |
| Rear suspension system | Swingarm, (link suspension) |
| Rear Travel | 315 mm |
| Front brake | Single Disc, Ø 250 mm |
| Rear brake | Single Disc, Ø 245 mm |
| Front tyre | 80/100-21 51M |
| Rear tyre | 100/90-19 57M |
Dimensions
| Overall length | 2,137 mm |
| Overall width | 825 mm |
| Overall height | 1,295 mm |
| Seat height | 975 mm |
| Wheel base | 1,445 mm |
| Minimum ground clearance | 363 mm |
| Wet weight (including full oil and fuel tank) |
94 kg |
| Fuel tank capacity | 8.0 litres |
| Oil tank capacity | 0.7 litres |
