GAS GAS SM 50 Rookie - 2002 Specifications and Reviews

The 2002 GAS GAS SM 50 Rookie is an entry-level supermotard designed for young and novice riders seeking an agile, lightweight machine. Powered by a liquid-cooled 50cc two-stroke engine with 6-speed transmission, it combines nimble handling with accessible performance. Known for its playful character and minimal maintenance requirements, this bike excels in urban environments and serves as an ideal stepping stone to larger sportbikes.

2002
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Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel systemCarburettor
Bore x stroke40.0 x 39.3 mm (1.6 x 1.5 inches)
Engine typeSingle cylinder, two-stroke
Capacity:49.38 ccm (3.01 cubic inches)
 
 

CategorySuper motard
Year2002
ModelGAS GAS SM 50 Rookie
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear tyre dimensions130/70-17
Front tyre dimensions100/80-17
Rear suspension travel250 mm (9.8 inches)
Front suspension travel160 mm (6.3 inches)

Physical measures and capacities

Fuel capacity8.00 litres (2.11 gallons)
Wheelbase1,340 mm (52.8 inches)
Ground clearance340 mm (13.4 inches)
Seat height865 mm (34.1 inches) If adjustable, lowest setting.

Other specs

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

Performance Profile & Rider Fit

Best For

Track35%
City55%
Cornering60%
Daily Riding30%
Touring15%
Passenger10%

Rider Profile

Best ForThis is a small-displacement minibike-class supermotard best suited to young or novice riders learning throttle and brake control rather than experienced adults seeking real performance.
PurposeIts purpose is playful, low-speed supermotard-style fun and skill-building on small tracks or closed courses, not serious commuting or touring.
Rider FitThe tall seat height combined with a very light, minibike-scale chassis means it demands little physical strength but suits a smaller or lighter rider best.
CharacterIt has the styling and stance of a full-size supermoto shrunk down, offering nimble, flickable handling with tiny two-stroke power delivery.
Not Ideal ForIt is not for adult riders wanting highway speeds, long-distance comfort, or genuine off-road capability.

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

Rider Fit Visualizer

2002 GAS GAS SM 50 Rookie Rider Ergonomics Assessment

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

Feet:

At 865mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2002 GAS GAS SM 50 Rookie, with a relaxed knee angle of around 130 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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