These are the known mechanical and performance specifications for your 2011 GAS GAS EC 300 2T E.
Basic Specs

Engine
Displacement297.00 ccm (18.12 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke72.5 x 72.5 mm (2.9 x 2.9 inches)
Valves/Cylinder
FuelingCarburettor. Keihin 38 mm - Intake by reed valve
Ignition
Exhaust
Lubrication2-stroke-oil/fuel mixed 1:50
CoolingLiquid
Drivetrain
Gearbox6-speed
Final DriveChain
ClutchWet multiplate with hydraulic control
Driveline
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity9.50 litres (2.51 gallons)
Emissions
Chassis
Frame TypeChrom-Molybdenum tubular frame
Rake
Trail
Front SuspensionSachs 48 mm Up-Side-Down. Adjustable compression and rebound.
Front Travel295 mm (11.6 inches)
Rear SuspensionSachs hydraulic mono shock absorber. Rebound, compression and spring preload .
Rear Travel310 mm (12.2 inches)
Seat
Seat Height940 mm (37.0 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length2,200 mm (86.6 inches)
Total Width
Ground Clearance
Wheelbase1,475 mm (58.1 inches)
Dry Weight102.0 kg (224.9 pounds)
Wet Weight113.0 kg (249.1 pounds)
Wheels & Brakes
Front Tire/Tyre90/90-x21
Rear Tire/Tyre140/80-x18
Front BrakesSingle disc. Wave floating, 2-piston caliper
Front Brake Diameter260 mm (10.2 inches)
Rear BrakesSingle disc. Wave disc, 1-piston caliper
Rear Brake Diameter220 mm (8.7 inches)
WheelsLight aluminium spoke rim
Comments
Bike made in Spain.