Jawa-CZ 50 Robby - 2008 Specifications and Reviews

The 2008 Jawa-CZ 50 Robby is a lightweight sport-oriented 50cc designed for young riders and commuters seeking an affordable entry into motorcycling. Its compact single-cylinder engine delivers modest performance ideal for urban riding and short commutes. Known for its practicality and reliability, the Robby combines classic Jawa styling with modern conveniences like electric starting.

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Engine and Transmission Specifications

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)
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 suspensionHydraulic telescopic 70mm
Front suspensionTelescopic forks 80mm

Speed and acceleration

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

CategorySport
Year2008
ModelJawa-CZ 50 Robby

Other specs

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

2008 Jawa-CZ 50 Robby Rider Ergonomics Assessment

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Feet:

At 730mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2008 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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