Yamaha RZ 50 - 2002 Specifications and Reviews

The 2002 Yamaha RZ 50 is an entry-level naked bike designed for novice riders and commuters seeking an affordable, nimble urban machine. Powered by a liquid-cooled 49cc single-cylinder engine producing 7.2 horsepower, it excels in tight city traffic and offers manageable handling. Best known for its reliability and fuel efficiency, the lightweight RZ 50 remains an ideal learner bike.

2002
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Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Bore x stroke40.0 x 39.7 mm (1.6 x 1.6 inches)
Compression7.5:1
Torque5.90
Power7.20
Stroke2
Engine typeSingle cylinder
Capacity:49.00 ccm (2.99 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,215 mm (47.8 inches)
Ground clearance135 mm (5.3 inches)
Overall width615 mm (24.2 inches)
Overall length1,805 mm (71.1 inches)
Overall height970 mm (38.2 inches)
Seat height745 mm (29.3 inches) If adjustable, lowest setting.
Dry weight80.0 kg (176.4 pounds)
 
 

Yamaha RZ 50 dimensions and frame

Rear brakesExpanding brake
Front brakesSingle disc
Rear tyre dimensions80/90-17 44P
Front tyre dimensions70/100-17 40P

Speed and acceleration

Power/weight ratio0.0900 HP/kg

CategoryNaked bike
Year2002
ModelYamaha RZ 50

Other specs

Fuel capacity10.00 litres (2.64 gallons)

Rider Fit Visualizer

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

Feet:

At 745mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2002 Yamaha RZ 50, with a moderate knee angle of around 105 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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