06 December. Saturday 2025
Enfield Thunderbird TwinSpark - 2012 Specifications and Reviews
General information | |
| Category | Classic |
| Year | 2012 |
| Model | Enfield Thunderbird TwinSpark |
Engine and Transmission Specifications | |
| Clutch | Wet mulitiplate |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Air |
| Lubrication system | Wet sump |
| Ignition | Transistorised Coil Ignition |
| Fuel control | OHV |
| Fuel system | Carburettor. UCAL 29mm, Constant Vacuum Carburettor |
| Bore x stroke | 70.0 x 90.0 mm (2.8 x 3.5 inches) |
| Compression | 7.3:1 |
| Top speed | 120.0 km/h (74.6 mph) |
| Torque | 28.00 Nm (2.9 kgf-m or 20.7 ft.lbs) @ 4000 |
| Power | 19.80 |
| Engine details | Roya Enfield Unit Construction Engine, twin sparks |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 346.00 ccm (21.11 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 153 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 With Gas Shock Absorbers. |
| Front suspension travel | 130 mm (5.1 inches) |
| Front suspension | Telescopic With Hydraulic Damping. |
| Frame type | Single downtube, using engine as stressed member |
| | |
Physical measures and capacities | |
| Fuel capacity | 13.50 litres (3.57 gallons) |
| Wheelbase | 1,370 mm (53.9 inches) |
| Ground clearance | 135 mm (5.3 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall length | 2,150 mm (84.6 inches) |
| Overall height | 1,080 mm (42.5 inches) |
| Power/weight ratio | 0.1215 HP/kg |
| Weight incl. oil, gas, etc | 187.0 kg (412.3 pounds) |
| Dry weight | 163.0 kg (359.4 pounds) |
| | |
Other specs | |
| Comments | Optional polished engine, custom ergonomics, GP shift pattern, and more. Limited edition bike. Each unit engraved with sequential production number. |
| Instruments | Analog tach; LCD speedo |
| Oil capacity | 3.70 litres (0.24 quarts) |
| Wheelbase | 1,537 mm (60.5 inches) |
| Alternate seat height | 775 mm (30.5 inches) If adjustable, highest setting. |
| Seat height | 698 mm (27.5 inches) If adjustable, lowest setting. |
| Wheels | 17´forged aluminum. Silver or black. Optional BST carbon-fiber wheels. |
| Rear tyre | 190/70-ZR17 |
| Front tyre | 120/70-ZR17 |
| Rear wheel travel | 165 mm (6.5 inches) |
| Rear Suspension | Öhlins fully adjustable. 3 modes, dragster, cruiser, road racer. |
| Front wheel travel | 132 mm (5.2 inches) |
| Front Suspension | Öhlins Upside-down, fully adjustable fork |
| Rake (fork angle) | 25.0° |
| Exhaust system | Handcrafted by ECOSSE. 2 into 1. Stainless steel head pipes with dual titanium mufflers. |
| Driveline | Primary: Wet chain. |
| Bore x Stroke | 108.0 x 108.0 mm (4.3 x 4.3 inches) |
| Compression | 10.5:1 |
| Torque | 185.77 Nm (18.9 kgf-m or 137.0 ft.lbs) |
| Capacity: | 1966.00 ccm (119.97 cubic inches) |
| Model | Ecosse The Heretic |
| Color options | Black, red, silver |
| Seat | Dual seat |
| Electrical | 12V |
| Light | 35W/35W Halogen headlamp |
| Starter | Electric & kick |
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