Rieju MRX Pro 50 - 2008 Specifications and Reviews

The 2008 Rieju MRX Pro 50 is a lightweight liquid-cooled enduro bike designed for young riders and beginners tackling off-road terrain. Its compact 50cc single-cylinder engine and low 920mm seat height make it accessible and manageable for novice riders learning fundamental dirt bike skills. Known for its nimble handling and durable construction, this Spanish-built machine excels in training and recreational riding.

2008
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Engine and Transmission Specifications

Gearbox6-speed
Cooling systemLiquid
StarterKick
Fuel systemCarburettor. Dell´Orto PHBN 16
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 width790 mm (31.1 inches)
Overall length2,050 mm (80.7 inches)
Overall height1,170 mm (46.1 inches)
Seat height920 mm (36.2 inches) If adjustable, lowest setting.
Dry weight94.0 kg (207.2 pounds)
 
 

Rieju MRX Pro 50 dimensions and frame

Exhaust systemMuffler with aluminium silencer
Rear brakes diameter200 mm (7.9 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesSingle disc
Rear tyre dimensions100/80-18
Front tyre dimensions80/90-21
Rear suspensionGas Mono-shock shock absorber and separate bottle PRS system
Front suspensionMarzocchi inverted fork of 40mm.
Frame typeHighly resistant double cradle steel perimeter.

Speed and acceleration

Color optionsGreen, orange, black
Fuel capacity8.40 litres (2.22 gallons)
 
 

CategoryEnduro / offroad
Year2008
ModelRieju MRX Pro 50

Other specs

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

Performance Profile & Rider Fit

Best For

Track20%
City25%
Cornering55%
Daily Riding15%
Touring8%
Passenger5%

Rider Profile

Best ForThis is a small-displacement offroad minibike best suited to younger or novice riders learning enduro skills, or experienced riders using it as a lightweight trail toy.
PurposeBuilt purely for off-road enduro riding on tight trails, motocross-style tracks, and technical terrain rather than any road use.
Rider FitVery light dry weight and a tall but narrow seat make it easy to flick around and manage for smaller or lighter riders, though the 920mm seat height requires reasonable inseam length.
CharacterA nimble, high-strung 2-stroke 50cc enduro machine with proper long-travel suspension and a full-size feel despite its tiny engine, rewarding an energetic, revvy riding style.
Not Ideal ForNot suitable for highway travel, carrying a passenger, long-distance touring, or riders wanting straight-line speed or comfort.

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

Rider Fit Visualizer

2008 Rieju MRX Pro 50 Rider Ergonomics Assessment

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

Feet:

At 920mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2008 Rieju MRX Pro 50, with a cramped knee angle of around 80 degrees and an upright 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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