Description
ENGINE
| Engine Type | 250cc liquid-cooled DOHC 4-stroke; 4 titanium valves |
| Bore x Stroke | 77.0mm x 53.6mm |
| Compression Ratio | 13.8:1 |
| Fuel Delivery | Mikuni® fuel injection, 44mm |
| Transmission | 6-speed; multiplate wet clutch |
| Final Drive | Chain |
| Fuel Capacity | 2.1 gal |
CHASSIS
| Suspension/Front | KYB® spring-type fork with speed sensitive damping; fully adjustable, 11.8-in travel |
| Suspension/Rear | KYB® single shock; fully adjustable, 12.0 in travel |
| Brakes/Front | Hydraulic disc, 270mm |
| Brakes/Rear | Hydraulic disc, 240mm |
| Tires/Front | 80/100-21 Dunlop® Geomax MX33F |
| Tires/Rear | 110/100-18 Dunlop® Geomax MX33 |
DIMENSIONS
| LxWxH | 85.4 in x 32.5 in x 49.8 in |
| Seat Height | 37.6 in |
| Wheelbase | 57.9 in |
| Rake (Caster Angle) | 27° |
| Trail | 4.8 in |
| Max. Ground Clearance | 13.0 in |
| Fuel Capacity | 2.1 gal |
| Wet Weight*** | 243 lb |
OTHER
| Warranty | 30 Day (Limited Factory Warranty) |
KEY FEATURES
All-New Aluminum Bilateral Beam Frame
A completely redesigned aluminum bilateral beam frame based on the class-dominating YZ250F provides just the right amount of strength and flex for the perfect balance of stability and cornering performance. The result is a better handling machine with lightweight feel and increased front wheel traction, allowing the rider to enter corners with greater confidence and more line choices.
New Air Intake
Optimized intake path draws air from under the side covers and seat allowing for a lighter, slimmer and more compact body. This redesign allows radiator shrouds to be 50mm slimmer and the airbox cover to be lower and more narrow. The more efficient intake path also boosts mid- to high-rpm engine performance.
New Traction Control & Launch Control
The all-new four-level Traction Control System communicates wheel slip to the ECU, tuning the engine to maintain ideal rear wheel traction. An updated Launch Control System now features an rpm limiter which can be adjusted in 500 rpm increments between 6,000 rpm and 14,000 rpm for optimized launches when the gate drops. Both systems are controlled through the Yamaha Power Tuner App.




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