14 August. Friday 2026
Enfield Thunderbird TwinSpark - 2009 Specifications and Reviews
The 2009 Enfield Thunderbird TwinSpark is a classic 346cc single-cylinder cruiser designed for riders seeking affordable, reliable retro styling with practical everyday performance. Known for its distinctive dual-spark ignition technology and robust air-cooled engine, it delivers steady low-end torque ideal for relaxed cruising and urban commuting.
General information | |
| Category | Classic |
| Year | 2009 |
| Model | Enfield Thunderbird TwinSpark |
Engine and Transmission Specifications | |
| Clutch | Wet mulitiplate |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Air |
| Lubrication system | Dry sump |
| Starter | Electric |
| Ignition | Dual spark |
| Fuel control | OHV |
| Fuel system | Carburettor. BS29/UCAL |
| Bore x stroke | 70.0 x 90.0 mm (2.8 x 3.5 inches) |
| Compression | 7.3:1 |
| Torque | 28.00 |
| Power | 19.80 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 346.00 ccm (21.11 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,370 mm (53.9 inches) |
| Ground clearance | 135 mm (5.3 inches) |
| Overall width | 780 mm (30.7 inches) |
| Overall length | 2,120 mm (83.5 inches) |
| Overall height | 1,080 mm (42.5 inches) |
| Dry weight | 163.0 kg (359.4 pounds) |
Enfield Thunderbird TwinSpark dimensions and frame | |
| Rear brakes diameter | 152 mm (6.0 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes diameter | 280 mm (11.0 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 3.50-19 |
| Front tyre dimensions | 3.25-19 |
| Rear suspension travel | 80 mm (3.1 inches) |
| Rear suspension | Swing arm |
| Front suspension travel | 130 mm (5.1 inches) |
| Front suspension | Telescopic fork |
Speed and acceleration | |
| Power/weight ratio | 0.1215 HP/kg |
| Top speed | 120.0 km/h (74.6 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Black, red, silver |
| Fuel capacity | 14.50 litres (3.83 gallons) |
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 For | Well suited to new and returning riders who want a relaxed, low-drama classic bike rather than outright performance. |
| Purpose | Built for laid-back cruising and easy commuting rather than speed or sport riding. |
| Rider Fit | A moderately heavy but low-slung machine that is manageable for riders of average height and strength once underway. |
| Character | A traditional single-cylinder thumper with unhurried power delivery, classic looks, and a relaxed mechanical character. |
| Not Ideal For | Not 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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