Enfield Thunderbird TwinSpark - 2010 Specifications and Reviews

The 2010 Enfield Thunderbird Twinspark is a retro-styled cruiser that appeals to riders seeking classic aesthetics with modern reliability. Known for its lightweight construction, fuel efficiency, and approachable handling, it delivers accessible performance ideal for commuters and casual enthusiasts. Its affordable price point and low-stress 500cc engine make it perfect for new riders and those preferring relaxed cruising over aggressive riding.

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General information

CategoryClassic
Year2010
ModelEnfield Thunderbird Twinspark

Engine and Transmission Specifications

ClutchWet mulitiplate
Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
Lubrication systemDry sump
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 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
Front suspension travel130 mm (5.1 inches)
Front suspensionTelescopic fork

Physical measures and capacities

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

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed, black, silver

Performance Profile & Rider Fit

19.8 hp
Peak Power
14.5s
0-60 mph
74.6 mph
Top Speed

Best For

Track10%
City55%
Cornering30%
Daily Riding55%
Touring55%
Passenger50%

Rider Profile

Best ForWell suited to new and returning riders who want a relaxed, low-drama classic bike rather than outright performance.
PurposeBuilt for laid-back cruising and easy commuting rather than speed or sport riding.
Rider FitA moderately heavy but low-slung machine that is manageable for riders of average height and strength once underway.
CharacterA traditional single-cylinder thumper with unhurried power delivery, classic looks, and a relaxed mechanical character.
Not Ideal ForNot for riders seeking quick acceleration, sharp handling, or any serious off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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