17 May. Sunday 2026
YZ125 - 2026 Specifications and Reviews
The 2026 Yamaha YZ125 is a lightweight 125cc 2-stroke motocross bike engineered for amateur and intermediate off-road riders. Its agile 212-pound frame and responsive liquid-cooled engine deliver quick acceleration and nimble handling across varied terrain. Known for reliable performance and accessibility, the YZ125 remains an ideal platform for developing competitive riding skills.
2026
Engine and Transmission Specifications | |
| Capacity | 125 cc |
| Final Drive | Chain |
| Gearbox | Constant-mesh 6-speed; multiplate wet clutch |
| Induction | Hitachi Astemo® Keihin PWK38S carburetor |
| Compression Ratio | 8.2~10.1:1 |
| Bore x Stroke | 54.0mm x 54.5mm |
| Engine Type | 125cc liquid-cooled 2-stroke; reed-valve inducted |
Physical measures and capacities | |
| Ground Clearance | 365 mm (14.4´´) |
| Overall Height | 1,295 mm (51´´) |
| Overall Width | 825 mm (32.5´´) |
| Overall Length | 2,135 mm (84.1´´) |
| Wet Weight | 212 lb |
| Wheelbase | 56.9 in |
| Seat Height | 38.6 in |
| Fuel Capacity | 1.8 gal |
| | |
YZ125 dimensions and frame | |
| Trail | 4.3 in |
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