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Enfield Thunderbird 350
2004Classic

Enfield Thunderbird 350

Key specifications

Engine
346 cc
Power
18 HP
Torque
27 Nm
Weight
163 kg
Fuel type
petrol
Transmission
4-speed
Seat height
30 mm
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 2004 Enfield Thunderbird 350, a quintessential naked bike that embodies the spirit of classic motorcycling while catering to the modern rider’s desires. With its distinctive styling and robust build, the Thunderbird 350 stands as a testament to Royal Enfield's legacy of producing motorcycles that are not just machines but also lifestyle statements. Designed for both city commuting and leisurely rides on winding roads, this motorcycle appeals to those who appreciate the blend of tradition and performance, all while maintaining an approachable entry point for riders of varying skill levels. At the heart of the Thunderbird 350 lies a single-cylinder, four-stroke engine with a displacement of 346 cc, delivering a respectable 18 horsepower at 5626 RPM and a torque of 27 Nm at 2875 RPM. This powertrain, complemented by a 4-speed gearbox, ensures a smooth and reliable ride, making it perfect for urban navigation as well as longer journeys. With a top speed of 100 mph (160.9 km/h), the Thunderbird offers exhilarating acceleration that’s matched by its impressive fuel efficiency, achieving around 108.4 mpg (46.1 km/l). Riders will find that the air-cooled engine, combined with a simple carburettor fuel system, not only enhances the bike’s character but also makes it relatively easy to maintain for those who enjoy hands-on care of their machines. The Thunderbird 350 doesn’t just excel in performance; it’s also packed with features that enhance the riding experience. The classic styling is complemented by a comfortable seat height of 760 mm, making it accessible for a wide range of riders. The bike is equipped with telescopic hydraulic front suspension and a swingarm rear suspension with adjustable shock absorbers, providing a balanced ride over various terrains. Additionally, the drum brakes—both front and rear—offer reliable stopping power, reinforcing the bike's vintage aesthetic. With color options like Riviera Red, Purplich Blue, and Magic Black, riders can express their personality while enjoying the ride. **

Pros

  • Classic Aesthetic: The Thunderbird 350’s retro styling appeals to motorcycle enthusiasts who appreciate timeless design.
  • Fuel Efficiency: With an impressive fuel consumption of approximately 108.4 mpg, it’s economical for both daily commuting and longer rides.
  • User-Friendly: The comfortable seat height and manageable weight make it an excellent choice for new riders and seasoned veterans alike.

Cons

  • Limited Availability: The Thunderbird 350 is not available in Europe and the US, which limits its market reach and accessibility.
  • Drum Brakes: While they fit the vintage theme, the drum brakes may not provide the same level of stopping power and responsiveness as modern disc brakes.
  • Performance Limitations: The engine, while reliable, may feel underpowered for those seeking high-performance capabilities in a motorcycle.

Technical details

Source specification data

Make
Enfield
Model
Thunderbird 350
Category
Naked bike
Comments
Not avialable in Europe and the US.
Color Options
Riviera
red,
Purplich
blue,
Magic
black,
Silver
ash
Power
18.00 HP (13.1 kW)) @ 5626 RPM
Torque
27.00 Nm (2.8 kgf-m or 19.9 ft.lbs) @ 2875 RPM
Gearbox
4-speed
Top Speed
160.9 km/h (100.0 mph)
Fuel System
Carburettor
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
Fuel Consumption
2.17 litres/100 km (46.1 km/l or 108.40 mpg)
Greenhouse Gases
O2
g/km. (
O2
-
Carbon
dioxide emission)
Transmission Type Final Drive
Chain
Dry Weight
163.0 kg (359.4 pounds)
Seat Height
760 mm (29.9 inches) If adjustable, lowest setting.
Overall Width
1,080 mm (42.5 inches)
Overall Length
2,120 mm (83.5 inches)
Ground Clearance
140 mm (5.5 inches)
Power Weight Ratio
0.1104 HP/kg
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Swing Arm With Adjustable Shock Absorbers
Front Suspension
Telescopic, Hydraulic damping
Rear Brakes Diameter
152 mm (6.0 inches)
Front Brakes Diameter
178 mm (7.0 inches)

Available colors

Riviera redPurplich blueMagic blackSilver ash