Jawa-CZ 50 Robby - 2009 Specifications and Reviews

The 2009 Jawa-CZ 50 Robby is a lightweight sport mini motorcycle ideal for beginner riders and urban commuting. Its compact 49.5cc single-cylinder engine delivers modest but adequate power for city riding, while the practical 4-speed manual gearbox and reliable air cooling ensure easy maintenance and dependability in everyday use.

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Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox4-speed
Cooling systemAir
StarterElectric & kick
Fuel systemCarburettor
Bore x stroke39.0 x 41.4 mm (1.5 x 1.6 inches)
Compression8.5:1
Torque3.20
Power2.95
Stroke4
Engine typeSingle cylinder
Capacity:49.50 ccm (3.02 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,200 mm (47.2 inches)
Overall width730 mm (28.7 inches)
Seat height730 mm (28.7 inches) If adjustable, lowest setting.
Dry weight87.0 kg (191.8 pounds)

Jawa-CZ 50 Robby dimensions and frame

Rear brakes diameter124 mm (4.9 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter200 mm (7.9 inches)
Front brakesSingle disc
Rear tyre dimensions3.00-16
Front tyre dimensions2.50-16
Rear suspension travel70 mm (2.8 inches)
Rear suspensionHydraulic telescopic
Front suspension travel80 mm (3.1 inches)
Front suspensionTelescopic forks

Speed and acceleration

Power/weight ratio0.0339 HP/kg
Top speed48.0 km/h (29.8 mph)
 
 

CategorySport
Year2009
ModelJawa-CZ 50 Robby

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed/black/grey
Reserve fuel capacity1.20 litres (0.32 gallons)
Fuel capacity6.50 litres (1.72 gallons)

Performance Profile & Rider Fit

3 hp
Peak Power
29.8 mph
Top Speed

Best For

Track2%
City40%
Cornering20%
Daily Riding25%
Touring5%
Passenger15%

Rider Profile

Best ForThis is best suited to absolute beginners, young riders, or those needing a low-powered moped-class machine to learn basic controls.
PurposeIt's designed as a small-capacity commuter runabout for short local trips rather than any kind of performance or adventure riding.
Rider FitIts light weight and low seat height make it extremely easy and unintimidating to handle for smaller or less experienced riders.
CharacterIt has a simple, old-school moped charm with modest four-stroke single-cylinder character and unhurried, gentle performance.
Not Ideal ForThis is not for riders seeking real speed, highway capability, off-road ability, or two-up long-distance touring comfort.

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

Rider Fit Visualizer

2009 Jawa-CZ 50 Robby Rider Ergonomics Assessment

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

Feet:

At 730mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2009 Jawa-CZ 50 Robby, with a cramped knee angle of around 65 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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