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Enfield Thunderbird TwinSpark - 2011 Specifications and Reviews

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General information

CategoryClassic
Year2011
ModelEnfield Thunderbird TwinSpark
 
 

Engine and Transmission Specifications

ClutchWet mulitiplate
Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
Lubrication systemDry sump
IgnitionDual spark
Fuel controlOHV
Fuel systemCarburettor. BS29/UCAL
Bore x stroke70.0 x 90.0 mm (2.8 x 3.5 inches)
Compression7.3:1
Top speed120.0 km/h (74.6 mph)
Torque28.00 Nm (2.9 kgf-m or 20.7 ft.lbs) @ 4000
Power19.80
Engine detailsRoya Enfield Unit Construction Engine.
Engine typeSingle cylinder, four-stroke
Capacity:346.00 ccm (21.11 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter152 mm (6.0 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter280 mm (11.0 inches)
Front brakesSingle disc
Rear tyre dimensions3.50-19
Front tyre dimensions3.25-19
Rear suspension travel80 mm (3.1 inches)
Rear suspensionSwing arm With Gas Shock Absorbers.
Front suspension travel130 mm (5.1 inches)
Front suspensionTele Scopic With Hydraulic Damping.
Frame typeSteel

Physical measures and capacities

Fuel capacity14.50 litres (3.83 gallons)
Wheelbase1,370 mm (53.9 inches)
Ground clearance135 mm (5.3 inches)
Overall width780 mm (30.7 inches)
Overall length2,120 mm (83.5 inches)
Overall height1,080 mm (42.5 inches)
Power/weight ratio0.1215 HP/kg
Dry weight163.0 kg (359.4 pounds)

Other specs

Oil capacity2.50 litres (0.17 quarts)
Wheelbase1,305 mm (51.4 inches)
Seat height916 mm (36.1 inches) If adjustable, lowest setting.
Rear tyre20/10-12
Front tyre21/7-10
Rear wheel travel254 mm (10.0 inches)
Rear SuspensionSwing Arm
Front wheel travel279 mm (11.0 inches)
Front SuspensionDual A-arm
Driveline2WD / 4WD/ Front differential locked 4WD. C.V.T with Reverse and 2 Speed Sub-Transmission.
Compression11.6:1
Torque33.00 Nm (3.4 kgf-m or 24.3 ft.lbs) @ 3400 Revolutions">RPM
Capacity:448.00 ccm (27.34 cubic inches)
Color optionsBlack, red, silver
Electrical12V
Light35W/35W Halogen, MFR
StarterElectric

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