
Enfield Thunderbird TwinSpark
Key specifications
Overview
Introducing the 2009 Enfield Thunderbird TwinSpark, a motorcycle that perfectly embodies the classic heritage and rugged charm of Royal Enfield. Positioned in the classic bike segment, the Thunderbird TwinSpark appeals to both seasoned riders and newcomers seeking a blend of style and substance. With its retro aesthetic and contemporary engineering, this bike serves as a bridge between the past and the present, making it a must-have for enthusiasts who appreciate the essence of motorcycling in its purest form. At the heart of the Thunderbird TwinSpark lies a robust 346cc single-cylinder, four-stroke engine, delivering a respectable 19.8 horsepower at 5600 RPM and a torque of 28 Nm at 4000 RPM. This powerplant is designed to provide a smooth and predictable riding experience, allowing riders to navigate city streets or open highways with confidence. The motorcycle's air-cooled engine is complemented by a dual-spark ignition system, which enhances fuel efficiency and throttle response. With a top speed of 120 km/h (74.6 mph), the Thunderbird delivers just the right amount of power for leisurely rides or spirited weekend getaways, while the 5-speed gearbox ensures seamless shifts as you cruise through your favorite landscapes. The Thunderbird TwinSpark also boasts a number of key features that enhance its riding experience. Equipped with a telescopic front fork and a swingarm rear suspension, it offers a comfortable ride over varied terrains, absorbing bumps and imperfections with ease. The combination of a single disc brake in the front and a reliable drum brake in the rear ensures effective stopping power, instilling confidence whether navigating tight corners or making sudden stops. With a fuel capacity of 14.5 liters, the Thunderbird allows for extended rides without frequent stops at the pump, making it a perfect companion for long journeys. Available in striking colors like black, red, and silver, this motorcycle not only performs well but also turns heads wherever it goes. **
Pros
- Classic Aesthetic: The Thunderbird TwinSpark’s vintage design makes it a standout in any crowd, appealing to retro enthusiasts.
- Comfortable Ride: With its effective suspension system, the bike provides a smooth and enjoyable ride, even on rough roads.
- Fuel Efficiency: The dual-spark ignition system optimizes fuel consumption, allowing for longer rides between fill-ups.
Cons
- Limited Power: While adequate for cruising, the engine may feel underpowered for riders seeking high-performance thrills.
- Weight: At 163 kg (359.4 lbs), the Thunderbird can feel heavy, especially for inexperienced riders during low-speed maneuvers.
- Drum Brake at Rear: The traditional drum brake may not provide the same level of stopping performance or responsiveness as modern disc brakes.
Technical details
Source specification data
- Make
- Enfield
- Model
- Thunderbird TwinSpark
- Category
- Classic
- Starter
- Electric
- Comments
- Royal Enfield bikes are made in India.
- Color Options
- Black, Red, Silver
- Power
- 19.80 HP (14.5 kW)) @ 5600 RPM
- Clutch
- Wet mulitiplate
- Torque
- 28.00 Nm (2.9 kgf-m or 20.7 ft.lbs) @ 4000 RPM
- Gearbox
- 5-speed
- Ignition
- Dual Spark
- Top Speed
- 120.0 km/h (74.6 mph)
- Fuel System
- Carburettor. BS29/UCAL
- Bore X Stroke
- 70.0 x 90.0 mm (2.8 x 3.5 inches)
- Compression
- 7.3:1
- Displacement
- 346.00 ccm (21.11 cubic inches)
- Cooling System
- Air
- Engine Details
- Single cylinder, four-stroke
- Lubrication System
- Dry sump
- Transmission Type Final Drive
- Chain
- Dry Weight
- 163.0 kg (359.4 pounds)
- Fuel Capacity
- 14.50 litres (3.83 gallons)
- Overall Width
- 780 mm (30.7 inches)
- Overall Height
- 1,080 mm (42.5 inches)
- Overall Length
- 2,120 mm (83.5 inches)
- Ground Clearance
- 135 mm (5.3 inches)
- Power Weight Ratio
- 0.1215 HP/kg
- Rear Tyre
- 3.50-19
- Front Tyre
- 3.25-19
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Single disc
- Rear Suspension
- Swing Arm
- Front Suspension
- Telescopic fork
- Rear Wheel Travel
- 80 mm (3.1 inches)
- Front Wheel Travel
- 130 mm (5.1 inches)
- Rear Brakes Diameter
- 152 mm (6.0 inches)
- Front Brakes Diameter
- 280 mm (11.0 inches)