25 June. Thursday 2026
Yamaha YZ125 Monster Energy - 2024 Specifications and Reviews
The 2024 Yamaha YZ125 Monster Energy is a lightweight 125cc two-stroke dirt bike engineered for beginner to intermediate off-road riders seeking an agile, nimble machine. Known for its responsive power delivery and compact dimensions, it excels in tight terrain and technical sections where maneuverability matters most. Its 94.8 kg dry weight and kickstart-only design embody classic motocross simplicity and performance.
General information | |
| Price as new | Do you know this bike?Click here to rate it. We miss 2 votes to show the rating. |
| Category | Cross / motocross |
| Model year | 2024 |
| Model name | Yamaha YZ125 Monster Energy |
| | |
Engine and Transmission Specifications | |
| Driveline | Constant-mesh |
| Clutch | Multiplate wet clutch |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Premix |
| Ignition | Digital CDI |
| Fuel system | Carburettor. Hitachi Astemo® Keihin PWK38S |
| Bore x stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Compression | 10.1:1 |
| Engine details | Reed-valve-inducted |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 125.0 ccm (7.63 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Bridgestone® Battlecross X20 tires |
| Rear brakes | Single disc. Hydraulic. |
| Diameter | 270 mm (10.6 inches) |
| Front brakes | Single disc. Hydraulic. |
| Rear tire | 100/90-19 |
| Front tire | 80/100-21 |
| Rear wheel travel | 315 mm (12.4 inches) |
| Rear suspension | KYB® single shock; fully adjustable |
| Front wheel travel | 300 mm (11.8 inches) |
| Front suspension | KYB® Speed-Sensitive System inverted fork; fully adjustable |
| Trail | 109 mm (4.3 inches) |
| Rake (fork angle) | 26.0° |
| Frame type | Aluminum semi-double cradle |
Physical measures and capacities | |
| Oil capacity | 0.70 litres (0.74 US quarts) |
| Fuel capacity | 6.81 litres (1.80 US gallons) |
| Wheelbase | 1445 mm (56.9 inches) |
| Ground clearance | 366 mm (14.4 inches) |
| Overall width | 826 mm (32.5 inches) |
| Overall length | 2136 mm (84.1 inches) |
| Overall height | 1295 mm (51.0 inches) |
| Seat height | 980 mm (38.6 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 94.8 kg (209.0 pounds) |
Other specs | |
| Factory warranty | 30 Day Limited Factory Warranty |
| Starter | Kick |
| Color options | Team Yamaha Blue/green |
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