Yamaha YZ125 70th Anniversary Edition - 2026 Specifications and Reviews
The 2026 Yamaha YZ125 70th Anniversary Edition is a lightweight 125cc 2-stroke motocross bike engineered for amateur and intermediate off-road competitors. Known for its responsive power delivery and nimble handling characteristics, this model excels in technical terrain where its compact 212-pound frame and precise steering geometry provide superior maneuverability. The liquid-cooled engine and proven Keihin carburetor deliver consistent performance for riders developing advanced 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 |
| | |
Yamaha YZ125 70th Anniversary Edition dimensions and frame | |
| Trail | 4.3 in |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track90%
City5%
Cornering88%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This machine is built for intermediate to expert off-road riders who understand how to manage a peaky 2-stroke motocross powerband. |
| Purpose | It's a pure motocross competition bike intended for closed-course racing on prepared dirt tracks, not general riding. |
| Rider Fit | The tall 38.6-inch seat height and light 212 lb wet weight demand good leg length and standing-position strength but reward the rider with exceptional flickability. |
| Character | It has the raw, high-revving, explosive character typical of a premium 125cc 2-stroke motocrosser that rewards aggressive clutch and throttle work. |
| Not Ideal For | This is not a bike for commuting, touring, carrying passengers, or riders seeking a smooth, forgiving, low-maintenance experience. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
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