2009 Gas Gas EC 250 RACING
Engine
Cylinder size - 249,3 cc.
Type - Two-stroke, single cylinder with reed intake directly into crankcase plus exhaust valve.
Cooling system - Liquid.
Bore x stroke - 66,4 x 72 mm.
Carburettor - 38 mm.
Clustch - Hydraulic multidisc.
Gearbox - 6 speeds.
Transmission - Primary gearing, secondary chain.
Engine lubrication - 2% mixture.
Clutch and gear lubrication - 900 cc. API SF o SG 10W30 oil type.
Frame
Frame - Deltabox made with rectangular-profile Cr-Mo tubing and microfusion.
Front suspension - 48 mm upside-down fork, travel 295 mm.
Rear suspension - Aluminium swing arm. Progressive system with shock absorber, 310 mm travel.
Front brake - 260 mm. Galfer wave disc brake, brake pump and double-piston caliper.
Rear brake - 220 mm. Galfer wave disc brake, brake pump and simple-piston caliper.
Front tyre - 90 x 90 - 21".
Rear tyre - 140 x 80 - 18".
Kick starter - Forged aluminium.
Brake and change pedal - Forged aluminium with flexible tip.
Size
Wheelbase - 1.476 mm.
Height seat - 945 mm.
Fuel tank capacity - 9,5 liters.
Mass - 97 Kg. |