2008 Royal Enfield Thunderbird Twinspark

KarthikK’s Team-BHP Garage

General information

Model: Royal Enfield Thunderbird TwinSpark
Year: 2008
Category: Classic / Cruiser
Purchase date: 18th Nov 2008
Current status: existing

Physical dimensions and capacities

Dry weight: 163 kg
Power/weight ratio: 121.5 HP / ton
Overall height: 1,080 mm
Overall length: 2,120 mm
Overall width: 780 mm
Ground clearance: 135 mm
Wheelbase: 1,370 mm
Fuel capacity: 14.5 litres

Engine and transmission

Displacement: 346 cc
Engine type: Single cylinder, four-stroke
Engine details: Royal Enfield Unit Construction Engine.
Power: 19.80 bhp @ 5600 RPM
Torque: 28 Nm @ 4000 RPM
Compression: 7.3:1
Bore x stroke: 70.0 x 90.0 mm
Fuel system: Carburettor. BS29/UCAL
Fuel control: OHV
Ignition: Dual spark
Lubrication system: Dry sump
Cooling system: Air
Gearbox: 5-speed
Transmission type,
final drive: Chain
Clutch: Wet multi-plate

Performance

0-60 kmph : 6.2 seconds
0-100 : 18.1 seconds
Top Speed : 121 kmph

Chassis, suspension, brakes and wheels

Frame type: Steel
Front suspension: Tele Scopic With Hydraulic Damping.
Front suspension travel: 130 mm (5.1 inches)
Rear suspension: Swing arm With Gas Shock Absorbers.
Rear suspension travel: 80 mm
Front tyre dimensions: 3.25"-19
Rear tyre dimensions: 3.50"-19

Brakes

Front brakes: Single disc
Front brakes diameter: 280 mm
Rear brakes: Expanding brake
Rear brakes diameter: 152 mm

Modifications

Stock exhaust changed to Royal Enfield's Short bottle exhaust to enhance the signature "Thump"