Enfield Thunderbird 350 - 2015 Specifications and Reviews

The 2015 Enfield Thunderbird 350 is a retro-styled middleweight cruiser that appeals to riders seeking classic aesthetics with practical everyday usability. Known for its relaxed riding position, manageable 350cc engine, and vintage charm, it delivers comfortable cruising for both new and experienced riders. The removable rear seat doubles as a luggage carrier, making it versatile for commuting or leisure riding.

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General information

CategoryClassic
Year2015
ModelEnfield Thunderbird 350
 
 

Engine and Transmission Specifications

ClutchWet mulitiplate
Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
Lubrication systemWet sump
IgnitionTransistorised Coil Ignition (TCI)
Fuel controlOverhead Valves (OHV)
Fuel systemCarburettor
Bore x Stroke70.0 x 90.0 mm (2.8 x 3.5 inches)
Compression7.3:1
Top speed120.0 km/h (74.6 mph)
Torque28.00 Nm (2.9 kgf-m or 20.7 ft.lbs) @ 4000 RPM
Power19.80 HP (14.5 kW) @ 5600 RPM
Engine detailsTwin spark
Engine typeSingle cylinder, four-stroke
Capacity:346.00 ccm (21.11 cubic inches)

Brakes, suspension, Frame and wheels

SeatSplit seats with a re movable rear seat that can be used as a luggage carrier
WheelsWire spoked. MRF Zapper tires.
Rear brakes diameter240 mm (9.4 inches)
Rear brakesSingle disc. Single piston caliper
Front brakes diameter280 mm (11.0 inches)
Front brakesSingle disc. Two piston caliper
Rear tyre120/80-18
Front tyre90/90-19
Rear wheel travel80 mm (3.1 inches)
Rear SuspensionSwing arm With Gas Shock Absorbers.
Front wheel travel130 mm (5.1 inches)
Front SuspensionTelescopic With Hydraulic Damping.
Frame typeSingle downtube, using engine as stressed member
 
 

Physical measures and capacities

Fuel capacity20.00 litres (5.28 gallons)
Wheelbase1,350 mm (53.1 inches)
Ground clearance140 mm (5.5 inches)
Overall width790 mm (31.1 inches)
Overall length2,060 mm (81.1 inches)
Overall height1,205 mm (47.4 inches)
Seat height775 mm (30.5 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc192.0 kg (423.3 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsRoyal Enfield bikes are made in India.
Light55/55 W Halogen headlamp
Electrical12V
StarterElectric & kick
Color optionsBlue, silver, gray, black

Performance Profile & Rider Fit

19.8 hp
Peak Power
74.6 mph
Top Speed

Best For

Track10%
City60%
Cornering35%
Daily Riding60%
Touring55%
Passenger55%

Rider Profile

Best ForWell suited to beginners and relaxed riders thanks to its low power and easygoing, predictable manners.
PurposeBuilt for laid-back cruising and classic-styled commuting rather than outright performance.
Rider FitThe low seat height and moderate weight make it approachable for shorter or less experienced riders.
CharacterA charming, torquey single-cylinder classic that rewards a relaxed, unhurried riding style.
Not Ideal ForNot the right choice for riders seeking high speed, sharp handling, or serious off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2015 Enfield Thunderbird 350 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 775mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2015 Enfield Thunderbird 350, with a moderate knee angle of around 115 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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