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 × 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