The Thunderbird Twinspark will be the first model to feature Royal Enfield’s revolutionary Unit Construction Engine. All the well loved features of the Thunderbird have been retained and enhanced in some cases. Also, the twin benefit of improved performance and engine efficiency makes this motorcycle hard to beat in terms of pure riding pleasure and visual delight. The evolutionary mix of old and new features in this motorcycle will surely delight its owners. Technical Specifications
| Engine | Single Cylinder, 4 Stroke, OHV, Dual Spark Ignition Engine, Aircooled |
| Displacement | 346 CC |
| Bore x Stroke | 70mm x 90mm |
| Maximum Power | 19.8 bhp @ 5250 rpm |
| Maximum Torque | 28 Nm @ 4000 rpm |
| Transmission | 5 Speed |
| Ignition | Electronic TCI |
| Carburetor | BS29 / UCAL |
| Dimensions | |
|---|---|
| Ground Clearance | 135 mm |
| Width | 780 mm |
| Wheel Base | 1370 mm |
| Length | 2120 mm |
| Height | 1080 mm |
| Tyres | |
| Front | 3.25 x 19", 6/4 PR |
| Rear | 3.5 x 19", 6/4 PR |
| Electricals | |
| Electrical System | 12 Volts |
| Head lamp | 12V, 35W/35W Halogen, MFR |
| Brakes | |
| Front | Hydraulic Disc Brake (Disc dia 280mm) |
| Rear | Mechanical, Drum Brake, Single Lead (Dia 152.4 mm or 6" drum brake) |
| Suspension | |
| Front | Tele Scopic With Hydraulic Damping. Stroke 130mm. |
| Rear | Swing arm With Gas Shock Absorbers |

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