Honda CRF50F - 2021 Specifications and Reviews

The 2021 Honda CRF50F is an entry-level offroad motorcycle designed for young riders and beginners learning fundamental dirt biking skills. Powered by a reliable 49cc single-cylinder four-stroke engine with automatic clutch, it delivers manageable power and predictable handling on trails and closed courses. This bike is best known for its durability, affordability, and role as an ideal stepping stone into motorcycle riding.

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Engine and Transmission Specifications

Emission detailsMeets current EPA off-road emissions standards.
Driveline#420 chain; 14T/37T
ClutchAutomatic
Transmission typeChain   (final drive)
Gearbox3-speed
Cooling systemAir
IgnitionCD
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemCarburettor. 13mm piston-valve
Valves per Cylinder2
Bore x Stroke39.0 x 41.4 mm (1.5 x 1.6 inches)
Compression10.0:1
Engine typeSingle cylinder, four-stroke
Capacity:49.0 ccm (2.99 cubic inches)
 
 

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CategoryEnduro / offroad
Year2021
ModelHonda CRF50F
 
 

Brakes, suspension, Frame and wheels

WheelsWire spoked
Rear brakesExpanding brake (drum brake)
Front brakesExpanding brake (drum brake)
Rear tire2.50-10
Front tire2.50-10
Rear wheel travel71 mm (2.8 inches)
Rear SuspensionMonoshock
Front wheel travel89 mm (3.5 inches)
Front SuspensionInverted telescopic fork
Trail32 mm (1.3 inches)
Rake (fork angle)25.0°
Frame typeSteel

Physical measures and capacities

Reserve fuel capacity0.76 litres (0.20 US gallons)
Fuel capacity2.65 litres (0.70 US gallons)
Wheelbase914 mm (36.0 inches)
Ground clearance147 mm (5.8 inches)
Seat height549 mm (21.6 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc49.9 kg (110.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsModel id: CRF50F. Adjustable throttle limiter.
Factory warrantySix months transferable limited warranty
StarterElectric
Color optionsRed/white

Performance Profile & Rider Fit

Best For

Track5%
City5%
Cornering15%
Daily Riding5%
Touring2%
Passenger0%

Rider Profile

Best ForThis is a starter minibike built for young children just learning to ride, not for any rider with prior road experience.
PurposeIts purpose is supervised backyard and trail introduction to motorcycling, with an automatic clutch and tiny 49.5cc engine to keep speeds very low and safe.
Rider FitThe extremely low 21.6-inch seat height and 111 lb wet weight make it sized exclusively for small children, not teens or adults.
CharacterIt's a friendly, forgiving little machine with a 3-speed automatic-clutch gearbox and drum brakes designed to build confidence rather than deliver performance.
Not Ideal ForThis is not for anyone seeking real speed, distance capability, or a bike that fits an adult-sized rider.

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

Rider Fit Visualizer

2021 Honda CRF50F Rider Ergonomics Assessment

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Feet:

At 549mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Honda CRF50F, with a cramped knee angle of around 45 degrees and a slightly forward 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 CRF50F is a fantastic entry-level motorcycle perfect for beginners and young riders. With a 49cc four-stroke engine, it delivers smooth and predictable power, making it easy to control and maneuver. The bike also features an automatic clutch, making it ideal for those who are just learning to ride. Its durable construction and quality components ensure reliability and durability, giving riders peace of mind as they hone their skills. Overall, the 2021 Honda CRF50F is a top choice for anyone looking for a reliable, easy-to-ride motorcycle. Its user-friendly design and dependable performance make it a great option for beginners and young riders. With its smooth power delivery and automatic clutch, it provides a stress-free riding experience, allowing new riders to focus on building their skills and confidence. Whether hitting the trails or cruising around the neighborhood, the CRF50F is a versatile and fun choice for riders of all levels.
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