14 August. Friday 2026
Yamaha YZ125 - 2019 Specifications and Reviews
The 2019 Yamaha YZ125 is a lightweight two-stroke motocross bike designed for amateur and intermediate off-road riders seeking competitive performance. Known for its responsive power delivery and nimble handling, the YZ125 excels in technical terrain and provides an accessible platform for riders developing their skills. Its compact dimensions and 93.9 kg weight make it ideal for smaller-framed competitors and those transitioning from smaller displacement bikes.
General information | |
| Price as new | Do you know this bike?Click here to rate it. We miss 1 vote to show the rating. |
| Category | Cross / motocross |
| Year | 2019 |
| Model | Yamaha YZ125 |
Engine and Transmission Specifications | |
| Clutch | Multiplate wet clutch |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Premix |
| Ignition | CDI |
| Fuel system | Carburettor. Mikuni TMX 38 |
| Bore x Stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Compression | 10.7:1 |
| Top speed | 96.0 km/h (59.7 mph) |
| Power | 33.5 HP (24.5 kW) |
| 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 | Dunlop® MX52 |
| 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 | Semi-double cradle aluminium frame |
Physical measures and capacities | |
| Oil capacity | 0.70 litres (0.74 US quarts) |
| Fuel capacity | 8.00 litres (2.11 US gallons) |
| Wheelbase | 1443 mm (56.8 inches) |
| Ground clearance | 366 mm (14.4 inches) |
| Overall width | 828 mm (32.6 inches) |
| Overall length | 2136 mm (84.1 inches) |
| Overall height | 1295 mm (51.0 inches) |
| Seat height | 975 mm (38.4 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 93.9 kg (207.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Factory warranty | 30 Day Limited Factory Warranty |
| Starter | Kick |
| Color options | Team Yamaha Blue |
Performance Profile & Rider Fit
59.7 mph
Top Speed
Best For
Track85%
City5%
Cornering90%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a full-on competition motocross bike best suited to intermediate through expert off-road riders who understand 2-stroke power delivery and clutch management. |
| Purpose | Built purely for motocross racing and aggressive trail riding, not for commuting, road use, or casual leisure riding. |
| Rider Fit | The tall 38.6-inch seat height, light 212 lb wet weight, and peaky 2-stroke power demand an active, fit rider comfortable standing and shifting body weight constantly. |
| Character | A raw, high-revving 2-stroke racer that rewards precise clutch and throttle control with explosive acceleration and razor-sharp handling on dirt. |
| Not Ideal For | Not for beginners, road riders, passengers, or anyone wanting comfort, storage, or long-distance capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2019 Yamaha YZ125 is a powerful and nimble motocross bike that delivers top-notch performance on the track. With its 125cc liquid-cooled two-stroke engine, this motorcycle offers impressive acceleration and responsive handling. The YZ125 also features a lightweight aluminum frame and adjustable suspension, allowing riders to tackle even the toughest terrain with ease. Whether you're a seasoned racer or a beginner looking to get into motocross, the Yamaha YZ125 has the power and agility to take your riding to the next level. The 2019 Yamaha YZ125 is a standout in the motocross world, offering riders a winning combination of power, agility, and reliability. With its sleek design and cutting-edge technology, this motorcycle is sure to turn heads on the track. Whether you're competing in races or hitting the trails for a weekend ride, the Yamaha YZ125 is a top choice for any motocross enthusiast.Add a Comment
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