2009 Honda CRF50F

Introduction

Widely recognised as the quintessential mini bike, the CRF50F is Honda’s longest-running off-road model and the choice of first-time riders the world over. Its inverted fork, 49cc four-stroke engine and easy-shifting three-speed gearbox with automatic clutch make the CRF50F a cinch to ride. Built strong and solid, with aggressive big bike styling and a low 550mm seat height, this CRF will soon have the fun meters of the smallest riders in the family running red - Honda red.

Key Features

• Low-emissions engine design meets the most rigorous off-road emissions standards
• Narrow, 110mm-wide race-style seat, slim fuel tank, and extra-low, 549mm seat height provide excellent comfort and mobility for a broad range of young riders
• Adjustable throttle limiter
• Keyed ignition switch prevents unauthorised use
• Motocross-style handlebar with padded protector
• Small-size control levers enhance young rider comfort and confidence
• High-quality, comfortable grips
• Small overall size and light weight simplify transport
• Easy-access washable foam air filter simplifies maintenance
• Folding, ridged footpegs offer secure footing even in muddy conditions
• Durable plastic fenders are nearly indestructible
• CRF-R-inspired bodywork, colours and graphics

Engine

• Dependable 49cm3 SOHC four-stroke engine develops smooth, easy-to-use power
• 10 : 1 compression ratio ensures good performance
• Maintenance-free Capacitor Discharge ignition (CDI) and automatic camchain tensioner
• 13mm piston-valve carburettor offers excellent fuel mileage and throttle response throughout the rpm range
• Smooth-shifting 3-speed transmission with automatic clutch offers simple operation and easy takeoffs
• Durable #420 drive chain provides dependable operation and low maintenance
• Exhaust silencer equipped with spark arrester provides efficient and quiet operation
• Closed crankcase ventilation system safeguards against engine oil contamination

Chassis

• High-tensile steel frame and swingarm offer excellent balance of strength and compliance
• Inverted telescopic front fork offers a plush 88.9mm of suspension travel
• Front suspension spring and damping rates engineered to provide optimum rider comfort and bump absorption
• Single-shock rear suspension supporting a reinforced swingarm provides 71mm of well-damped travel
• 28-spoke, 10" diameter wheels with die-cast aluminium hubs look great, provide excellent manoeuvrability and offer smooth ride quality
• Powerful, lightweight front and rear drum brakes
• Wide, long-wearing off-road tyres offer excellent traction

Colour

• Extreme Red (with white number plate and sidecovers)

Availability& Model Changes For 2009

• Availability: Now
• Changes for 2009: No changes

Technical Specification

Engine

• Type - Air-cooled 4-stroke 2-valve SOHC single
• Displacement - 49cm3
• Bore x Stroke - 39 x 41.4mm
• Compression Ratio - 10 : 1
• Max. Power Output - 2.2kW/8,500min-1 (95/1/EC)
• Max. Torque - 3.43Nm/3,500min-1 (95/1/EC)

Fuel System

• Carburetion - 13mm piston-valve carburettor
• Fuel Tank Capacity - 2.6 litres (including 0.76-litre reserve)

Electrical System

• Ignition System - Capacitor Discharge (CDI)
• Starter - Primary kick

Drivetrain

• Transmission - 3-speed w/ automatic clutch
• Primary Reduction - 4.058 (69/17)
• Gear Ratios - 1; 3.272 (36/11), 2; 1.666 (25/11), 3; 1.190 (25/21)
• Final Reduction - 2.643 (37/14)
• Final Drive - #420 roller chain

Frame

• Type - Mono-Backbone; steel tube

Chassis

• Dimensions (LxWxH) - 1,302 x 581 x 774mm
• Wheelbase - 914mm
• Caster Angle - 25°
• Trail - 33mm
• Seat Height - 548.6mm
• Ground Clearance - 146mm
• Kerb Weight - 49.9kg

Suspension

• Type - Front; 21.7mm inverted telescopic fork, 88.9mm axle travel
• Rear; Monoshock with cantilever-type swingarm, 71.1mm axle travel

Wheels

• Type - Front; Steel rim/wire spoke
• Rear; Steel rim/wire spoke
• Rim Size - Front; 10 x 1.40
• Rear; 10 x 1.40
• Tyre Size - Front; 2.50–10 33Y
• Rear; 2.50–10 33Y

Brakes

• Type - Front; 80mm leading/trailing drum
• Rear; 80mm leading/trailing drum

All specifications are provisional and subject to change without notice