14 August. Friday 2026
Yamaha YZ250F Monster Energy - 2021 Specifications and Reviews
The 2021 Yamaha YZ250F Monster Energy is a competitive 250cc four-stroke motocross bike engineered for intermediate to advanced riders seeking lightweight agility and reliable power. Its liquid-cooled DOHC engine with titanium valves and fuel injection delivers consistent performance across varying terrain. Known for responsive handling and a user-friendly powerband, it excels in both amateur racing and recreational trail riding.
General information | |
| Category | Cross / motocross |
| Year | 2021 |
| Model | Yamaha YZ250F Monster Energy |
| | |
Engine and Transmission Specifications | |
| Clutch | Multiplate wet clutch |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | TCI: Transistor Controlled Ignition |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. Mikuni, 44mm |
| Valves per Cylinder | 4 |
| Bore x Stroke | 77.0 x 53.6 mm (3.0 x 2.1 inches) |
| Compression | 13.8:1 |
| Engine details | Titanium-valves |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 250.0 ccm (15.26 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Bridgestone® Battlecross tyres |
| 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 | 318 mm (12.5 inches) |
| Rear Suspension | KYB fully adjustable single shock |
| Front wheel travel | 310 mm (12.2 inches) |
| Front Suspension | KYB speed-Sensitive System, inverted fork: fully adjustable |
| Trail | 119 mm (4.7 inches) |
| Rake (fork angle) | 26.0° |
| Frame type | Bilateral beam aluminum frame |
| | |
Physical measures and capacities | |
| Oil capacity | 0.90 litres (0.95 US quarts) |
| Fuel capacity | 6.06 litres (1.60 US gallons) |
| Wheelbase | 1476 mm (58.1 inches) |
| Ground clearance | 335 mm (13.2 inches) |
| Overall width | 826 mm (32.5 inches) |
| Overall length | 2174 mm (85.6 inches) |
| Overall height | 1285 mm (50.6 inches) |
| Seat height | 970 mm (38.2 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 106.1 kg (234.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Modifications compared to previous model | New cylinder head with an improved intake port shape, new exhaust camshaft profile, a new silencer, and an updated ECU. |
| Comments | Special Monster Energy Yamaha Racing Edition. Power Tuner app. |
| Factory warranty | 30 Day Limited Factory Warranty |
| Electrical | Four-cell lithium-ion battery |
| Starter | Electric |
| Color options | Team Yamaha Blue/green/black |
Performance Profile & Rider Fit
Best For
Track95%
City5%
Cornering90%
Daily Riding10%
Touring5%
Passenger0%
Rider Profile
| Best For | Best suited to intermediate to expert off-road riders comfortable with a tall, aggressive, no-frills motocross machine. |
| Purpose | Purpose-built for motocross racing and closed-course off-road competition, not general road use. |
| Rider Fit | Demands a fit rider with good strength and stamina due to its tall 970mm seat height, firm suspension, and physical riding style. |
| Character | A razor-sharp, lightweight competition weapon that rewards aggressive input with explosive agility and top-tier suspension performance. |
| Not Ideal For | Not suitable for commuting, touring, passengers, or riders seeking comfort and low-speed practicality. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 Yamaha YZ250F Monster Energy motorcycle is a powerful and agile machine designed for motocross enthusiasts. With its 250cc liquid-cooled four-stroke engine, this bike delivers impressive performance and acceleration on the track. The Monster Energy graphics and bold design give it a standout appearance that is sure to turn heads. The lightweight chassis and advanced suspension system make for a smooth and responsive ride, allowing riders to navigate tight corners and jumps with ease. Overall, the Yamaha YZ250F Monster Energy is a top-notch motocross bike that offers both style and substance. If you're in the market for a high-performance motocross bike, the 2021 Yamaha YZ250F Monster Energy is a top contender. Its powerful 250cc engine and agile handling make it a standout choice for riders who want to dominate the track. With its eye-catching Monster Energy graphics and advanced suspension system, this bike offers both style and functionality. Whether you're a seasoned pro or a novice rider looking to step up your game, the Yamaha YZ250F Monster Energy is a worthy investment for any motocross enthusiast.Add a Comment
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