Enfield Thunderbird 350 - 2018 Specifications and Reviews

The 2018 Royal Enfield Thunderbird 350 is a lightweight cruiser that appeals to novice and experienced riders alike. Known for its retro styling, approachable 350cc single-cylinder engine, and comfortable riding position, this Indian-made motorcycle excels as an affordable, easy-to-handle daily commuter and weekend cruiser with practical features like ample fuel capacity and removable rear seat.

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General information

CategoryClassic
Year2018
ModelEnfield Thunderbird 350
 
 

Engine and Transmission Specifications

ClutchWet mulitiplate
Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
Lubrication systemWet sump
IgnitionTCI
Fuel controlOverhead Valves (OHV)
Fuel systemCarburettor. CV type
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 removable 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, 41 mm.
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, etc195.0 kg (429.9 pounds)
 
 

Other specs

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

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

2018 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 2018 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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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2018 Enfield Thunderbird 350 is a stylish and powerful motorcycle that is sure to turn heads on the road. With its classic design and modern features, it offers a smooth and comfortable ride for any rider. The bike is equipped with a 346cc engine that delivers impressive performance and excellent fuel efficiency. Its ergonomic seating position and adjustable rear suspension make it ideal for long rides, while its responsive handling and reliable braking system provide a sense of security on the road. Overall, the 2018 Enfield Thunderbird 350 offers a great combination of style, performance, and comfort for riders looking for a reliable and versatile motorcycle. If you're in the market for a new motorcycle, the 2018 Enfield Thunderbird 350 is definitely worth considering. Its timeless design and reliable performance make it a standout choice in the competitive cruiser market. With its powerful engine and comfortable ride, this bike is perfect for both daily commuting and long-distance touring. Whether you're a seasoned rider or just starting out, the Enfield Thunderbird 350 offers a great riding experience that is sure to impress.
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