07 June. Sunday 2026
YZ125X - 2026 Specifications and Reviews
The 2026 Yamaha YZ125X is a lightweight 125cc 2-stroke motocross bike designed for amateur and intermediate riders seeking competitive performance on the track. Known for its responsive handling, aggressive power delivery, and nimble chassis, it excels in tight technical sections while remaining manageable for developing riders advancing their racing skills.
2026
Engine and Transmission Specifications | |
| Capacity | 125 cc |
| Final Drive | Chain |
| Gearbox | 6-speed; multiplate wet clutch |
| Induction | Hitachi Astemo® Keihin PWK38S |
| Compression Ratio | 7.8~10.2:1 |
| Bore x Stroke | 54.0 mm x 54.5 mm |
| Engine Type | 125cc liquid-cooled 2-stroke; reed-valve inducted |
| | |
Physical measures and capacities | |
| Ground Clearance | 356 mm (14´´) |
| Overall Height | 1,290 mm (50.8´´) |
| Overall Width | 825 mm (32.5´´) |
| Overall Length | 2,154 mm (84.8´´) |
| Wet Weight | 212 lb |
| Wheelbase | 57.3 in |
| Seat Height | 38.2 in |
| Fuel Capacity | 1.8 gal |
| | |
YZ125X dimensions and frame | |
| Trail | 4.4 in |
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