Enduro Bikes
2004Rieju MRX 50 Pro
28 fields on record
The 2004 Rieju MRX 50 Pro is a 50cc enduro-styled bike from the Spanish maker Rieju. Its liquid-cooled 49cc single makes 8 hp through 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
- Gearbox
- 6-speed
- Dry weight
- 94.0 kg
- Seat height
- 920 mm
- Power
- 8.0 HP (5.9 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- 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 usEngine
- Capacity
- 49.0 ccm
- Power
- 8.0 HP (5.9 kW)
- Engine type
- Single
- 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 | 2003 | 2004 | 2005 | 2006 | 2007 |
|---|---|---|---|---|---|
| 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.
Rider Reviews
Common questions
What is the engine size of the Rieju MRX 50 Pro?
The 2004 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 2004 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 2004 Rieju MRX 50 Pro has a Gearbox of 6-speed.
How much does the Rieju MRX 50 Pro weigh?
The 2004 Rieju MRX 50 Pro has a Dry weight of 94.0 kg (207.2 pounds).
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