The updated model of the Yamaha YZ125 has been launched and it comes with a host of upgrades. It features a completely new redesigned 125cc liquid-cooled two-stroke engine that offers better top-end power. It comes with a revised suspension setup and it offers improved riding ergonomics. This motocrosser also gets a modern YZ styling like the new 2024 YZ85. The YZ125 comes in only Team Yamaha blue color scheme and it is priced at $6,899 in the United States.
Yamaha YZ125 Top Speed, Review, Price, Seat Height, & Weight
Yamaha YZ125 Key Specifications
| Price | $ 6,899 |
| Engine | 1-cylinder, 2-stroke |
| Displacement | 125cc |
| Transmission | 6-Speed |
| Power | 33.53 hp |
| Seat Height | 38.6 inches |
| Curb Weight | 207 lb |
| Fuel Tank Capacity | 1.8 gallon |
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Top Features
- Lightweight aluminum semi-double-cradle frame
- Removable aluminum rear subframe
- 48 mm Speed sensitive KYB inverted front forks
- Fully adjustable KYB rear shock absorber
- Full lock oil rebound system
- Aluminum handlebar with adjustable clamp
- Adjustable clutch lever
- Front and rear disc brakes with redesigned rotors
- Race-ready Bridgestone Battlecross X20 tires
- Reed-valve inducted 2-stroke engine
- Liquid cooling
- Updated air-intake design
- Yamaha power valve system
- Close-ratio 6-speed transmission
- Hitachi Astemo Keihin PWK38S carburetor
- 3D map-controlled CDI unit
Yamaha YZ125 Review
Yamaha has packed this motocrosser with a completely redesigned two-stroke, single-cylinder 125cc engine. The Yamaha YZ125 engine is liquid-cooled and it is equipped with a high-capacity radiator that offers efficient cooling. It comes with an advanced Keihin PWK38S carburetor that offers a clean and crisp throttle response. The mid-range and top-end performance of this motocrosser are amazing thanks to the Yamaha power valve system. The Yamaha YZ125 top speed is nearly 70 mph and it also provides crisp acceleration. It comes mated to a close-ratio 6-speed gearbox that gives the rider full access to its wide powerband. Yamaha has also updated its air-intake design that allowing for a straighter air draw.
Yamaha continues using the race-proven aluminum semi-double-cradle frame on the YZ125. Its frame is not just lightweight but also provides the right amount of strength and flexibility. The Yamaha YZ125 seat height is 38.6 inches and it gets a new flatter seat & a narrow fuel tank design that improves riding ergonomics. At the front, it is fitted with a 48 mm speed-sensitive KYB inverted suspension, while at the rear it gets a fully adjustable KYB shock absorber. It is equipped with a 270 mm disc brake on the front wheel and a 245 mm disc brake on the rear wheel. The Yamaha YZ125 weight in the ready-to-ride condition is 209 lb and its fuel tank capacity is 1.8 gallons.
Yamaha YZ125 Price & Competitors
The price of the Yamaha YZ125 latest model in the united states is $6,899 excluding the destination charges. This motocrosser is also offered in a Monster Energy Racing Edition that carries a price tag of $7,099. It competes with the likes of KTM 125 SX, Kawasaki KX125, Honda CRF150R, Husqvarna TC 125.
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Yamaha YZ125 Specifications
Engine & Transmission
| Engine Type | 2-stroke, Single-Cylinder, SOHC, Reed Valve |
| Engine Displacement | 125 cc |
| No. of Cylinders | 1 |
| Fuel Type | Petrol |
| Fuel Supply | Mikuni Fuel Injection |
| Cooling System | Liquid Cooling |
| Bore | 54 mm |
| Stroke | 54.5 mm |
| Compression Ratio | 8.6-10.7:1 |
| Valves Per Cylinder | 2 |
| Starting | Kick |
| Ignition | CDI |
| Transmission | 6-Speed, Close Ratio Gearbox |
| Clutch | Wet Type |
| Final Drive | Chain |
Top Speed Performance, & Mileage
| Power | Not Available |
| Torque | Not Available |
| Top Speed | The Yamaha YZ125 top speed is 70 mph (est) |
| Mileage | 26-28 km/l |
Chassis & Suspension
| Body Type | Motocross |
| Chassis | Aluminum Frame |
| Front Suspension | KYB Speed-Sensitive System Inverted Forks |
| Rear Suspension | KYB Fully Adjustable Single-Shock |
| Front Wheel Travel | 11.8 Inch |
| Rear Wheel Travel | 12.4 Inch |
Brakes, Wheels, & Tires
| Front Brake | Single Hydraulic Disc |
| Rear Brake | Single Hydraulic Disc |
| Front Brake Diameter | 270 mm |
| Rear Brake Diameter | 245 mm |
| ABS | No |
| Front Wheel | 21 Inch Spoke Rims |
| Rear Wheel | 19 Inch Spoke Rims |
| Tire Type | Tubed |
| Front Tire Size | 80/100-21 Dunlop® MX52 |
| Rear Tire Size | 100/90-19 Dunlop® MX52 |
Dimension & Capacity
| Wheelbase | 56..8 in |
| Length | 84.1 in |
| Width | 32.6 in |
| Height | 51.0 in |
| Seat Height | 38.4 in |
| Ground Clearance | 14.4 in |
| Curb Weight | 207 lb |
| Fuel Tank Capacity | 2.1 gal |
| Seating Capacity | 1 |
Electricals & Lighting
| Battery Type | MF |
| Battery Capacity | 12V |
| Headlight | No |
| Pilot Lights | No |
| Taillights | No |
| Turn Signals | No |
| Pass Light | No |
Instrument Console & Speedometer
| Console Type | No Instrument Console |
| Speedometer | No |
| Tachometer | No |
| Odometer | No |
| Trip Meter | No |
| No. of Trip Meters | No |
| Fuel Gauge | No |
| Gear Shift Light | No |
| Gear Position Indicator | No |
| Low Fuel Indicator | No |
| Engine Temperature Indicator | No |
| Service Indicator | No |
Other Features
| Electric Starter | Yes |
| Engine kill Switch | No |
| Stand Alarm | No |
| Stepped Seat | No |
| Pillion Seat | No |
| Pillion Grabrails | No |
| Pillion Footrest | No |
| Underseat Storage | No |
| Additional Features | 30 Day Warranty |
Conclusion on the Yamaha YZ125
Yamaha has completely revamped the YZ125 with a lot of upgrades in this year’s edition. It features a liquid-cooled 2-stroke engine that is powerful and it offers solid performance. This 2-stroke motocrosser has crispy low-end acceleration and it also manages to shine in the mid-range & top-end of the rev band. You get top-quality suspension on this motocrosser that delivers class-leading handling. The Yamaha YZ125 is one of the best completion bikes in the 125cc segment and it is also priced very attractively.
Frequently Asked Questions
It offers a maximum ground clearance of 14.4 inches.
The YZ125 currently carries a price tag of $6,899 after a recent price hike by the brand.
It has a fuel tank capacity of 1.8 gallons.
Yes, it comes with a 125cc single-cylinder, 2-stroke reed-valve inducted engine with liquid cooling.
