While official details about the 2026 Yamaha YZ125X are still scarce, we can speculate on potential updates based on recent trends and improvements in the motocross and cross-country segments. Expect Yamaha to continue refining the YZ125X's powerful and responsive 125cc two-stroke engine, possibly with further advancements in fuel injection or mapping for even smoother power delivery and increased efficiency. The lightweight aluminum frame, a hallmark of the YZ125X, is likely to see further optimization for enhanced handling and rider feel, potentially drawing inspiration from Yamaha's latest motocross developments. Suspension components, always crucial in off-road performance, may receive updates with refined damping characteristics and lighter materials, ensuring the YZ125X soaks up bumps and maintains composure across varied terrain. Ergonomics are another area where manufacturers constantly strive for improvement, so expect subtle tweaks to the seat, handlebars, and bodywork for enhanced rider comfort and control. Yamaha might also introduce new color schemes and graphics to keep the YZ125X looking fresh and appealing.
Brand |
Yamaha |
Model |
YZ125X 2026 |
Status |
Coming soon |
Release Date |
2026 |
Engine |
|
Engine Type |
125cc liquid-cooled 2-stroke; reed-valve inducted |
Bore x Stroke |
54.0 mm x 54.5 mm |
Compression Ratio |
7.8~10.2:1 |
Fuel Delivery |
Hitachi Astemo Keihin PWK38S |
Ignition |
- |
Transmission |
6-speed; multiplate wet clutch |
Final Drive |
Chain |
Chassis |
|
Suspension / Front |
KYB spring-type fork with speed sensitive damping; fully adjustable, 11.8-in travel |
Suspension / Rear |
KYB single shock; fully adjustable, 12.4-in travel |
Brakes / Front |
Hydraulic disc, 270mm |
Brakes / Rear |
Hydraulic disc, 240mm |
Tires / Front |
80/100-21 Dunlop Geomax MX33F |
Tires / Rear |
110/100-18 Dunlop Geomax MX33 |
Dimensions |
|
L x W x H |
84.8 in x 32.5 in x 50.8 in |
Seat Height |
38.2 in |
Wheelbase |
57.3 in |
Rake (Caster Angle) |
26.4° |
Trail |
4.4 in |
Ground Clearance |
14.0 in |
Fuel Capacity |
1.8 gal |
Wet Weight |
- |
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