Rieju SMX 50 - 2006 Specifications and Reviews

The 2006 Rieju SMX 50 is a lightweight super motard designed for entry-level riders seeking an agile, nimble platform for urban riding and casual off-road exploration. Its liquid-cooled 50cc single-cylinder engine delivers accessible performance, while the 94.5kg curb weight and 900mm seat height make it approachable for younger and shorter riders. Known for its versatile supermoto styling and easy-to-manage power delivery, the SMX 50 excels as a fun, practical commuter bike.

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Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
StarterElectric & kick
Fuel systemCarburettor. Dell´Orto
Bore x stroke40.3 x 39.0 mm (1.6 x 1.5 inches)
Stroke2
Engine typeSingle cylinder
Capacity:50.00 ccm (3.05 cubic inches)

Physical measures and capacities

Wheelbase1,332 mm (52.4 inches)
Overall length1,970 mm (77.6 inches)
Overall height1,150 mm (45.3 inches)
Seat height900 mm (35.4 inches) If adjustable, lowest setting.
Dry weight94.5 kg (208.3 pounds)
 
 

Rieju SMX 50 dimensions and frame

Exhaust systemSteel Tube Varnished, Racing Type With Protector
Rear brakes diameter200 mm (7.9 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 suspensionMonoshock Absorder Progressive System
Front suspensionUpside Down Front Fork
Frame typePerimetral of double beam in steel of high resistance

Speed and acceleration

Fuel capacity8.40 litres (2.22 gallons)

CategorySuper motard
Year2006
ModelRieju SMX 50

Other specs

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

Performance Profile & Rider Fit

Best For

Track45%
City80%
Cornering70%
Daily Riding50%
Touring15%
Passenger20%

Rider Profile

Best ForBest suited to younger or novice riders, often as a learner-legal or pre-license machine depending on local regulations.
PurposeDesigned as a lightweight, fun supermoto-style mini bike for playful city riding and short sporty jaunts rather than serious performance.
Rider FitIts very low dry weight and accessible seat height make it easy to handle for smaller or lighter riders, including teenagers.
CharacterA nimble, flickable little street bike with supermoto styling that rewards playful, energetic riding at low speeds.
Not Ideal ForNot suitable for highway travel, long-distance touring, carrying a passenger comfortably, or riders seeking real straight-line speed.

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

Rider Fit Visualizer

2006 Rieju SMX 50 Rider Ergonomics Assessment

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

Feet:

At 900mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2006 Rieju SMX 50, with a relaxed knee angle of around 135 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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