2018 Yamaha YZ250FX
| Engine Engine type Bore x Stroke Displacement Valves Compression ratio Max Power Max Torque Fuel system Transmission Final drive Clutch Ignition type Starting system Lubrication Exhaust system Spark plug Battery Gear ratios | Liquid cooled, single cylinder, four-stroke, DOHC 77.0mm x 53.6mm 250cc 4 titanium valves per cylinder 13.5:1 Keihin fuel injection, 44mm Wide-ratio constant-mesh 6-speed Chain Multi-plate wet Transistor Controlled Ignition Electric starter Wet sump 1st: 2nd: 3rd: 4th: 5th: 6th: |
| Dimensions Frame type Rake/trail Overall length Overall width Overall height Wheelbase Seat height Ground clearance Weight Fuel capacity Color Suspension (front) Suspension (rear) Tyre (front) Tyre (rear) Brake (front) Brake (rear) | Diamond 26.3° 85.2 inches 32.5 inches 50.4 inches 57.7 inches 38.0 inches 12.8 inches 249 lb 2.0 gal Team Yamaha Blue KYB spring fork with speed sensitive damping; fully adjustable KYB single shock; fully adjustable, 12.5-in travel 90/90-21 Dunlop AT81F 110/100-18 Dunlop AT81 Dual hydraulic 270mm discs, twin piston calipers Single hydrarulic 245mm disc, single piston caliper |
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