27 July. Monday 2026
Yamaha YZ125X - 2025 Specifications and Reviews
The 2025 Yamaha YZ125X is a lightweight enduro machine designed for amateur and recreational off-road riders seeking entry-level performance. Powered by a 125cc two-stroke engine with liquid cooling and modern fuel delivery, it delivers responsive handling and agile maneuverability on varied terrain. Known for reliability and affordability, the YZ125X excels as a beginner's platform for learning off-road skills.
General information | |
| Color Options | Team Yamaha Blue |
| Price | US$ 7199. MSRP depends on country, taxes, accessories, etc. |
| Category | Enduro / offroad |
| Model | Yamaha YZ125X |
Engine and Transmission Specifications | |
| Starting | Kick |
| Final Drive | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling System | Liquid |
| Ignition | CDI |
| Induction | Carburettor. Hitachi Astemo® Keihin PWK38S |
| Bore x Stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Compression Ratio | 10.2:1 |
| Engine Details | Reed-valve-inducted |
| Engine Type | Single cylinder, two-stroke |
| Capacity: | 125.0 ccm (7.63 cubic inches) |
| | |
Physical measures and capacities | |
| Fuel Capacity | 6.81 litres (1.80 US gallons) |
| Wheelbase | 1455 mm (57.3 inches) |
| Ground Clearance | 356 mm (14.0 inches) |
| Overall Width | 825 mm (32.5 inches) |
| Overall Length | 2154 mm (84.8 inches) |
| Overall Height | 1290 mm (50.8 inches) |
| Seat Height | 970 mm (38.2 inches) If adjustable, lowest setting. |
| Wet Weight | 96.2 kg (212.0 pounds) |
Yamaha YZ125X dimensions and frame | |
| Wheels | Dunlop® Geomax MX33 tires |
| Rear Brakes | Single disc. Hydraulic. |
| Brake Disc Diameter | 240 mm (9.4 inches) |
| Front Brakes | Single disc. Hydraulic. |
| Rear Tyre | 110/90-18 |
| Front Tyre | 90/90-21 |
| 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 | 112 mm (4.4 inches) |
| Frame | Semi-double cradle aluminium |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Update specs | Report missing specs or required updates. |
| Warranty | 30 Day Limited Factory Warranty |
| Oil capacity | 0.70 litres (0.74 US quarts) |
| Rake (fork angle) | 26.4° |
| Year of manufacture | 2025 |
Performance Profile & Rider Fit
Best For
Track55%
City10%
Cornering85%
Daily Riding10%
Touring10%
Passenger5%
Rider Profile
| Best For | Best suited to intermediate-to-advanced off-road riders who understand 2-stroke power delivery and clutch management. |
| Purpose | Built as a cross-country/off-road competition machine, essentially a trail-tuned YZ125 motocrosser with wider-ratio gearing and off-road suspension settings. |
| Rider Fit | Very light wet weight and tall seat height demand an active, fit rider comfortable standing and shifting body weight through rough terrain. |
| Character | Raw, high-strung, and reward-driven, this bike delivers sharp, punchy 2-stroke power and razor-sharp agility for riders who like to work the bike hard. |
| Not Ideal For | Not for riders seeking comfort, highway capability, passenger accommodation, or a low-maintenance, easy-going ride. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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