Honda CB350 - 2021 Specifications and Reviews

The 2021 Honda CB350 is a modern retro middleweight that appeals to new riders and experienced enthusiasts alike. Its air-cooled 348cc single-cylinder engine delivers accessible power with smooth, forgiving characteristics ideal for learning or casual commuting. Known for its classic styling, reliable fuel injection, and approachable performance, the CB350 combines heritage appeal with contemporary engineering.

2021
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General information

CategoryAllround
Year2021
ModelHonda CB350
 
 

Engine and Transmission Specifications

ClutchWet multiplate
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemAir
IgnitionElectronic
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemInjection. PGM-FI
Bore x Stroke70.0 x 90.5 mm (2.8 x 3.6 inches)
Compression9.5:1
Torque30.0 Nm (3.1 kgf-m or 22.1 ft.lbs) @ 3000 RPM
Power20.8 HP (15.2 kW) @ 5500 RPM
Engine typeSingle cylinder, four-stroke
Capacity:348.3 ccm (21.25 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Diameter310 mm (12.2 inches)
Front brakesSingle disc
Rear tire130/70-18
Front tire100/90-19
Rear wheel travel107 mm (4.2 inches)
Rear SuspensionDual hydraulic shocks
Front wheel travel130 mm (5.1 inches)
Front SuspensionTelescopic forks
Trail93 mm (3.7 inches)
Rake (fork angle)24.7°
Frame typeHalf duplex cradle

Physical measures and capacities

Fuel capacity15.00 litres (3.96 US gallons)
Wheelbase1441 mm (56.7 inches)
Ground clearance166 mm (6.5 inches)
Overall width800 mm (31.5 inches)
Overall length2165 mm (85.2 inches)
Overall height1105 mm (43.5 inches)
Seat height800 mm (31.5 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc181.0 kg (399.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric

Performance Profile & Rider Fit

20.8 hp
Peak Power
12.5s
0-60 mph

Best For

Track15%
City78%
Cornering50%
Daily Riding75%
Touring45%
Passenger55%

Rider Profile

Best ForWell suited to new and returning riders thanks to its modest power, easy clutch, and predictable manners.
PurposeA retro-styled all-rounder built for relaxed commuting and casual weekend rides rather than outright performance.
Rider FitIts 181 kg weight and 800 mm seat height make it manageable for riders of average height and build, including shorter riders who can flat-foot it fairly easily.
CharacterCharming, low-stress, and classically styled, it rewards a relaxed riding pace over aggressive throttle use.
Not Ideal ForNot the right choice for riders chasing highway-speed overtakes, long high-speed touring stints, or any serious off-road use.

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

Rider Fit Visualizer

2021 Honda CB350 Rider Ergonomics Assessment

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

Feet:

At 800mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Honda CB350, with a relaxed knee angle of around 120 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 2021 Honda CB350 is a stylish and reliable motorcycle that delivers on both performance and aesthetics. Its classic design, reminiscent of the original CB350, is combined with modern features to create a timeless yet up-to-date ride. With a 348cc single-cylinder engine, this bike offers smooth power delivery and nimble handling, making it perfect for both city commuting and weekend adventures. Plus, the CB350's comfortable riding position and well-balanced chassis ensure a pleasant and stable ride on any type of road. Overall, the 2021 Honda CB350 is a fantastic option for riders looking for a blend of retro style and modern performance. Its fuel-efficient engine, comfortable ergonomics, and attractive design make it a great choice for riders of all levels. Whether you're a beginner looking for a reliable first bike or a seasoned rider in search of a stylish and practical commuter, the CB350 offers a winning combination of performance and style.
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