2020 YAMAHA YZ250F
- High Tech 250cc Four-Stroke
The YZ250F is ready to roost the competition, with race-winning features never before seen in the 250cc class.
- Power Tuner App
Yamaha’s exclusive Power Tuner app puts the flexibility and precision tunability of the GYTR Power Tuner into your smartphone. Make fueling and ignition timing changes instantly and upload them to the bike for the ultimate in track-side tuning.
- Electric Starter System
Utilizing a compact starter motor and ultra-lightweight lithium battery, the YZ250F brings the convenience of push-button starting to the racetrack, for effortless restarts under pressure, and relaxed riding when the clock isn’t ticking.
- Advanced Engine Design
Featuring a high-spec piston, aggressive cam profiles, cylinder geometry and more, Yamaha’s reversed cylinder head layout works to give YZ250F riders the best balance of high-rpm power with a broad, useable powerband.
- Tuned Aluminum Frame
Yamaha’s bilateral beam frame features main spars, engine mounts and mounting position all designed to centralize mass and provide an ideal balance between cornering feel and straight-line rigidity.
- Class-Leading Suspension
Yamaha continues to use spring-type forks with refined, speed-sensitive damping to give industry-leading suspension performance straight out of the box.
- Engine Type: 250cc liquid-cooled DOHC 4-stroke; 4 valves
- Bore x Stroke: 77.0mm × 53.6mm
- Compression Ratio: 13.8:1
- Fuel Delivery: Mikuni fuel injection, 44mm
- Transmission: Constant-mesh 5-speed; multiplate wet clutch
- Final Drive: Chain
- Suspension / Front: KYB Speed-Sensitive System inverted fork; fully adjustable, 12.2-in travel
- Suspension / Rear: KYB single shock; fully adjustable, 12.5-in travel
- Brakes / Front: Hydraulic disc, 270mm
- Brakes / Rear: Hydraulic disc, 245mm
- Tires / Front: 80/100-21 Bridgestone Battlecross X20F
- Tires / Rear: 100/90-19 Bridgestone® Battlecross X20R
- L x W x H: 85.6 in x 32.5 in x 50.6 in
- Seat Height: 38.2 in
- Wheelbase: 58.1 in
- Rake (Caster Angle): 27.33°
- Trail: 4.7 in
- Maximum Ground Clearance: 13.2 in
- Fuel Capacity: 1.6 gal
- Wet Weight: 234 lb