Engine Type: 250cc liquid-cooled DOHC 4-stroke; 4 valves Bore x Stroke: 77.0mm x 53.6mm Compression Ratio: 11.8:1 Fuel Delivery: Fuel injection Ignition: TCI: Transistor Controlled Ignition Transmission: Constant-mesh 6-speed, multiplate wet clutch Final Drive: Chain https://www.yamahamotorsports.com/dual-sport/models/2019/wr250r
Engine Type: 450cc liquid-cooled DOHC 4-stroke; 4 valves Bore x Stroke: 97.0mm × 60.9mm Compression Ratio: 12.8:1 Fuel Delivery: Mikuni® fuel injection, 44mm Transmission: Wide-ratio 5-speed; wet multiplate clutch Final Drive: O-ring 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 single disc brake, 270mm Brakes / Rear: Hydraulic single disc brake, 245mm Tires / Front: 80/100-21 Dunlop® MX3X Tires / Rear: 120/90-18 Dunlop® MX3X
Engine Type: 250cc liquid-cooled DOHC 4-stroke; 4 valves Bore x Stroke: 77.0mm x 53.6mm Compression Ratio: 13.5:1 Fuel Delivery: Keihin® fuel injection, 44mm Transmission: Wide-ratio 6-speed; wet multiplate clutch Final Drive: O-ring chain Suspension / Front: KYB® spring-type fork with speed sensitive damping; fully adjustable; 12.2-in travel Suspension / Rear: KYB® single shock; fully adjustable; 12.5-in travel Brakes / Front: Hydraulic single disc brake, 270mm Brakes / Rear: Hydraulic single disc brake, 245mm Tires / Front: Dunlop® MX3S 80/100-21 Tires / Rear: Dunlop® MX3S 110/100-18