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2011 Enfield Thunderbird TwinSpark Specs

General ─░nformation

Model Enfield Thunderbird TwinSpark
Year 2011
Category Classic

Engine and transmission

Displacement 346.00 ccm (21.11 cubic inches)
Engine type Roya Enfield Unit Construction Engine.
Power 19.80 HP (14.5 kW)) @ 5600 RPM
Torque 28.00 Nm (2.9 kgf-m or 20.7 ft.lbs) @ 4000 RPM
Top speed 120.0 km/h (74.6 mph)
Compression 7.3:1
Bore x stroke 70.0 x 90.0 mm (2.8 x 3.5 inches)
Fuel system Carburettor. BS29/UCAL
Fuel control Overhead Valves (OHV)
Ignition Dual spark
Lubrication system Dry sump
Cooling system Air
Gearbox 5-speed
Transmission type, final drive Chain

Chassis, suspension, brakes and wheels

Frame type Steel
Front suspension Tele Scopic With Hydraulic Damping.
Front wheel travel 130 mm (5.1 inches)
Rear suspension Swing arm With Gas Shock Absorbers.
Rear wheel travel 80 mm (3.1 inches)
Frame 3.25-19
Front tyre 3.25-19
Rear tyre 3.50-19
Front brakes Single disc
Front brakes diamete 280 mm (11.0 inches)
Rear brakes Expanding brake (drum brake)
rear_brakes_diameter 152 mm (6.0 inches)

Physical measures and capacities

Dry weight 163.0 kg (359.4 pounds)
Power/weight ratio 0.1215 HP/kg
Overall height 1,080 mm (42.5 inches)
Overall length 2,120 mm (83.5 inches)
Overall width 780 mm (30.7 inches)
Ground clearance 135 mm (5.3 inches)
Wheelbase 1,370 mm (53.9 inches)
Fuel capacity 14.50 litres (3.83 gallons)

Other specifications

Color options Black, red, silver
Starter Electric
Electrical 12V
light 35W/35W Halogen, MFR
Comments Royal Enfield bikes are made in India.
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