Enduro Bikes
2003Rieju MRX 125
29 fields on record
The 2003 Rieju MRX 125 is a lightweight enduro bike ideal for beginner and intermediate off-road riders. Known for its nimble handling and manageable 14.5 hp single-cylinder engine, it excels in technical terrain and tight trails. The compact wheelbase and modest fuel capacity make it perfect for short to medium-distance off-road adventures.
- Capacity
- 125.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 107.0 kg
- Seat height
- 900 mm
- Power
- 14.5 HP (10.7 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for trail riding, technical off-road tracks, and light enduro use rather than sustained road speed or highway travel.
- Built for
- A nimble, no-frills dirt-focused single suited to riders who enjoy technical terrain over outright power or long-distance cruising.
- Not ideal for
- Not a good fit for riders wanting highway comfort, passenger touring, or high-speed road performance.
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
- 125.0 ccm
- Power
- 14.5 HP (10.7 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1355 HP/kg (dry)
- Bore x stroke
- 54.0 x 54.0 mm
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric & kick
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1332 mm
- Overall length
- 2020 mm
- Overall width
- 800 mm
- Overall height
- 1180 mm
- Seat height
- 900 mm
- Dry weight
- 107.0 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
- Fork Ø 35 mm
- Rear suspension
- MonoShock Absorder Progressive System (PRS)
Brakes & wheels
- Front brakes
- Single disc. Double piston
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 200 mm
- Front tyre
- 90/90-21
- Rear tyre
- 120/80-18
Other
- Color options
- Red, Blue, Yellow
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 | 2006 | 2007 | 2008 |
|---|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 124 cc | 124 cc | 125 cc |
| Dry weight | 107 kg | 107 kg | 107 kg | 107 kg | 107 kg |
| Seat height | 900 mm | 900 mm | 900 mm | 900 mm | 900 mm |
| Fuel capacity | 8.4 L | 8.4 L | 7.4 L | 7.4 L | 7.4 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 125?
The 2003 Rieju MRX 125 has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the Rieju MRX 125 have?
The 2003 Rieju MRX 125 has a Power of 14.5 HP (10.7 kW).
How many gears does the Rieju MRX 125 have?
The 2003 Rieju MRX 125 has a Gearbox of 5-speed.
How much does the Rieju MRX 125 weigh?
The 2003 Rieju MRX 125 has a Dry weight of 107.0 kg (235.9 pounds).
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