43,669 bikes · 493 makes Add a bikeLog inRegister
Naked Motorcycles

2021Honda CB300R

Rate this bike
Click to vote

47 fields on record

The 2021 Honda CB300R is a lightweight naked bike for beginner and intermediate riders looking for an accessible way into motorcycling. Its 286cc single makes about 31 hp, with nimble handling and friendly performance that suit urban commuting and learning the basics. Approachable ergonomics and Honda reliability make it a popular choice for new riders.

Capacity
286.0 ccm
Engine
Single, four-stroke
Gearbox
6-speed
Wet weight
143.8 kg
Seat height
800 mm
Power
30.7 HP (22.9 kW) @ 8500 RPM
⇄ Compare with another bike + Add to garage All model years ⚠ Recalls listed (1)

What’s new for the 2021 Honda CB300R

vs the 2020
Spec20202021
Rear suspension Pro-Link® single shock Pro-Link single shock with five positions of spring preload adjustability
Front brakes Single disc. ABS. Single disc. ABS
Rear brakes Single disc. ABS. Single disc. ABS
Other years 2019 2020 2021 2022 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 35Agility 77Comfort 45Off-road 15Touring 30Road manners 78
Off-road & trail15%
Cornering75%
City riding88%
Daily riding80%
Touring30%
Two-up30%
Track45%
Best for
Built primarily as a nimble urban commuter and learner-friendly street bike rather than a performance or adventure machine.
Built for
A fun, minimalist streetfighter-styled single that rewards flickable handling over outright speed.
Not ideal for
Not suited for highway touring, long-distance comfort, two-up riding, or any off-road use.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 800mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Honda CB300R, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

Find bikes that fit your height →

Range and running costs

Worked out in your browser - nothing is sent to us

Based on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.

Full specifications

Engine
Capacity
286.0 ccm
Power
30.7 HP (22.9 kW) @ 8500 RPM
CO2 Emissions
69 CO2 g/km
EPA Certificate No.
MHNXC0.29CFA-001
EPA Est. Fuel Consumption
2.94 L/100km (80.0 US mpg)
EPA CO Emissions
0.8 CO g/km
Torque
27.5 Nm (2.8 kgf-m) @ 7500 RPM
Engine type
Single, four-stroke
Fuel consumption
3.30 litres/100 km (30.3 km/l)
Power/weight ratio
0.2135 HP/kg (wet)
Bore x stroke
76.0 x 63.0 mm
Compression
10.7:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
Computer-controlled digital transistorized with electronic advance
Aspiration
Naturally aspirated
Valves per cylinder
4
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet multiplate with coil springs
Dimensions & weight
Wheelbase
1354 mm
Overall length
2017 mm
Overall width
803 mm
Overall height
1052 mm
Seat height
800 mm
Wet weight
143.8 kg
Fuel capacity
10.20 litres
Ground clearance
158 mm
Dry weight
Not on record - add it
Chassis & suspension
Frame
Steel tube
Front suspension
41mm telescopic fork
Rear suspension
Pro-Link single shock with five positions of spring preload adjustability
Front wheel travel
130 mm
Rear wheel travel
107 mm
Rake (fork angle)
24.7°
Trail
93 mm
Brakes & wheels
Front brakes
Single disc. ABS
Front brakes diameter
296 mm
Rear brakes
Single disc. ABS
ABS
Yes
Front tyre
110/70-17
Rear tyre
150/60-17
Other
Color options
Matte Pearl Blue
Comments
Model ID: CB300RA.
Fuel Tank Material
Metal

Specs last verified against published sources: .

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20192021202320242026
Capacity 286 cc 286 cc 286 cc 286 cc 286 cc
Seat height 800 mm 800 mm 803 mm 800 mm 803 mm
Fuel capacity 10.2 L 10.2 L 9.8 L 9.8 L 9.8 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Safety Recalls

⚠ 1 recall may apply
EXTERIOR LIGHTING:HEADLIGHTSApr 2025 · 25V210000

Honda (American Honda Motor Co.) is recalling certain 2018-2025 CB300R motorcycles. The headlights may flicker or shut off while driving.

Risk: Loss of headlight illumination can reduce visibility, increasing the risk of a crash or injury.

Remedy: Dealers will replace the headlight assembly, free of charge. Owner notification letters were mailed May 27, 2025. Owners may contact Honda's customer service at 866-784-1870. Honda's number for this recall is KS0.

These recalls cover some 2021 bikes of this model. Whether one applies to a specific bike, and whether the repair has already been done, depends on its VIN — check your VIN with NHTSA or ask a dealer.

Source: NHTSA. View all Honda recalls →

Rider Reviews

—
☆☆☆☆☆
Be the first to rate
MotorcycleDB

The 2021 Honda CB300R is a sleek and stylish motorcycle that offers a perfect combination of performance and aesthetics. With a 286cc liquid-cooled single-cylinder engine, this bike delivers a smooth and responsive ride, making it perfect for both new and experienced riders. The CB300R's lightweight design, comfortable seating position, and nimble handling make it a joy to ride in urban settings or on twisty country roads. The modern LED lighting and LCD display add a touch of sophistication to this bike, making it stand out in a crowd.

In terms of performance, the 2021 Honda CB300R impresses with its agile and responsive handling, making it a great choice for urban commuting or weekend getaways. The 286cc engine delivers plenty of power for confident acceleration, while the stylish design and modern features make it a head-turner on the road. With its comfortable seating position and smooth ride, the CB300R is a great option for riders looking for a versatile and enjoyable motorcycle. Overall, the 2021 Honda CB300R is a fantastic choice for anyone in the market for a stylish, reliable, and fun-to-ride motorcycle.

Own one? Add it to My Garage and write an owner review with an Owner badge.

Common questions

What is the engine size of the Honda CB300R?

The 2021 Honda CB300R has a Capacity of 286.0 ccm (17.45 cubic inches).

What engine power does the Honda CB300R have?

The 2021 Honda CB300R has a Power of 30.7 HP (22.9 kW) @ 8500 RPM.

How many gears does the Honda CB300R have?

The 2021 Honda CB300R has a Gearbox of 6-speed.

What is the torque of the Honda CB300R?

The 2021 Honda CB300R has a Torque of 27.5 Nm (2.8 kgf-m or 20.3 ft.lbs) @ 7500 RPM.

How much does the Honda CB300R weigh?

The 2021 Honda CB300R has a Wet weight of 143.8 kg (317.0 pounds).

Shop this bike

Affiliate links

We may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.

Similar bikes

Same category, weighted similarity

More Honda Motorcycles