Rieju MRX 50 - 2008 Specifications and Reviews

The 2008 Rieju MRX 50 is a lightweight enduro designed for novice off-road riders and younger enthusiasts seeking an accessible entry into dirt biking. Its liquid-cooled single-cylinder engine and nimble 92kg frame deliver manageable performance across varied terrain. Known for reliable starting power and approachable ergonomics, it excels as a training platform for developing off-road skills.

5 stars Average rating: 5 from 1 votes
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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 weight92.0 kg (202.8 pounds)
 
 

Rieju MRX 50 dimensions and frame

Exhaust systemENGINE
Rear brakes diameter200 mm (7.9 inches)
Rear brakesSingle disc
Front brakes diameter260 mm (10.2 inches)
Front brakesDouble disc
Front tyre dimensions80/90-21
Rear suspensionMono-shock shock absorber PRS system
Front suspensionPaioli fork of 36mm.
Frame typeHighly resistant double cradle steel perimeter.

Speed and acceleration

Color optionsRed, blue, black
Fuel capacity8.40 litres (2.22 gallons)

CategoryEnduro / offroad
Year2008
ModelRieju MRX 50

Other specs

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

Performance Profile & Rider Fit

Best For

Track15%
City35%
Cornering55%
Daily Riding20%
Touring10%
Passenger5%

Rider Profile

Best ForThis is best suited to beginner or younger riders, or licensed riders using it as a lightweight trail toy, since a 50cc two-stroke offers gentle, forgiving power delivery.
PurposeBuilt as a small-displacement enduro for off-road trails, tight woods riding, and learning fundamentals rather than any serious speed or distance work.
Rider FitIts low dry weight and tall but slim seat make it easy to flick around and manage at low speed, though the 920mm seat height may still challenge shorter or novice riders when off-road.
CharacterA playful, nimble little two-stroke enduro that rewards revving and momentum over outright power, with genuine off-road hardware like a perimeter frame, long-travel suspension and disc brakes.
Not Ideal ForIt is not for highway commuting, two-up touring, or any rider expecting real acceleration or sustained high-speed cruising.

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

Rider Fit Visualizer

2008 Rieju MRX 50 Rider Ergonomics Assessment

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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 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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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2008 Rieju MRX 50 is a fantastic entry-level bike for young riders looking to get into the world of off-road riding. With a lightweight frame and manageable power output, it's the perfect machine for learning the ropes of trail riding. The 50cc engine provides just the right amount of power for new riders to gain confidence and skill without being too overwhelming. The durable construction and quality components make this bike a reliable choice for those looking to take on rugged terrain. Overall, the 2008 Rieju MRX 50 is a great option for beginner riders who want to experience the thrill of off-road riding. Its manageable power and lightweight design make it a perfect choice for getting started in the world of trail riding. With its durable construction and quality components, it's a reliable choice for young riders looking to build their skills and confidence on the trails. Whether you're a beginner looking to get into off-road riding or a parent shopping for your child's first dirt bike, the Rieju MRX 50 is a solid choice.
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