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2005Rieju MRX 50 Pro

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The 2005 Rieju MRX 50 Pro is an enduro-styled moped-class learner bike from the Spanish maker Rieju. Its liquid-cooled two-stroke single drives a six-speed gearbox and chain. A tall 920 mm seat, 94 kg dry weight and 8.4-litre tank give it a full-size dirt bike feel.

Capacity
49.0 ccm
Engine
Single, two-stroke
Gearbox
6-speed
Dry weight
94.0 kg
Seat height
920 mm
Power
8.0 HP (5.9 kW)
⇄ Compare with another bike + Add to garage All model years
Other years 2003 2004 2005 2006 2007

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 18Agility 80Comfort 30Off-road 78Touring 15Road manners 25
Off-road & trail78%
Cornering45%
City riding30%
Daily riding20%
Touring10%
Two-up5%
Track15%
Best for
It is designed as a lightweight, small-displacement trail and learner bike for off-road play rather than any serious speed or distance work.
Built for
It has the nimble, playful character typical of small two-stroke enduros, with quick handling but very limited outright power.
Not ideal for
It is not suitable for highway travel, two-up riding, or anyone expecting real touring range or top-end speed.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 920mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2005 Rieju MRX 50 Pro, with a cramped knee angle of around 80 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

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Full specifications

Engine
Capacity
49.0 ccm
Power
8.0 HP (5.9 kW)
Engine type
Single, two-stroke
Power/weight ratio
0.0851 HP/kg (dry)
Bore x stroke
40.3 x 39.0 mm
Cooling system
Liquid
Fuel system
Carburettor
Starting
Kick
Torque
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Dimensions & weight
Wheelbase
1332 mm
Overall length
2050 mm
Overall width
790 mm
Overall height
1170 mm
Seat height
920 mm
Dry weight
94.0 kg
Fuel capacity
8.40 litres
Ground clearance
Not on record - add it
Chassis & suspension
Frame
Perimetral of double beam in steel of high resistance
Front suspension
Upside Down Front Fork
Rear suspension
Monoshock Absorder Progressive System
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
260 mm
Rear brakes
Single disc
Rear brakes diameter
220 mm
Front tyre
80/90-21
Rear tyre
110/80-18

Specs last verified against published sources: .

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20032004200520062007
Capacity 49 cc 49 cc 49 cc 50 cc 50 cc
Dry weight 94 kg 94 kg 94 kg 94 kg 94 kg
Seat height 920 mm 920 mm 920 mm 920 mm 920 mm
Fuel capacity 8.4 L 8.4 L 8.4 L 8.4 L 8.4 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Rieju MRX 50 Pro?

The 2005 Rieju MRX 50 Pro has a Capacity of 49.0 ccm (2.99 cubic inches).

What engine power does the Rieju MRX 50 Pro have?

The 2005 Rieju MRX 50 Pro has a Power of 8.0 HP (5.9 kW).

How many gears does the Rieju MRX 50 Pro have?

The 2005 Rieju MRX 50 Pro has a Gearbox of 6-speed.

How much does the Rieju MRX 50 Pro weigh?

The 2005 Rieju MRX 50 Pro has a Dry weight of 94.0 kg (207.2 pounds).

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