Enduro Bikes
2021Rieju Marathon 125 PRO
31 fields on record
The 2021 Rieju Marathon 125 Pro is a lightweight enduro bike ideal for beginner and intermediate off-road riders. Powered by a reliable Yamaha-sourced 125cc four-stroke engine producing 15 horsepower, it combines nimble handling with a robust steel frame and liquid cooling. Best known for its accessible performance and durable construction, it excels on trails and mixed terrain.
- Capacity
- 125.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 121.0 kg
- Seat height
- 890 mm
- Power
- 15.0 HP (10.9 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It is built primarily for trail riding, technical enduro tracks, and low-speed off-road exploration rather than any kind of speed or highway work.
- Built for
- It has the character of a nimble, willing little enduro trail bike, eager to be flicked around obstacles but with only modest engine punch.
- Not ideal for
- It is not suited to riders wanting sustained highway speeds, long-distance touring comfort, or carrying a passenger any real distance.
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
- 15.0 HP (10.9 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1240 HP/kg (dry)
- Bore x stroke
- 52.0 x 58.6 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Electric
- Valves per cylinder
- 4
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1405 mm
- Overall length
- 2070 mm
- Overall width
- 800 mm
- Overall height
- 1165 mm
- Seat height
- 890 mm
- Dry weight
- 121.0 kg
- Fuel capacity
- 6.30 litres
- Ground clearance
- Not on record - add it
Chassis & suspension
- Frame
- Highly resistant double cradle steel perimeter. Detachable rear sub-chassis.
- Front suspension
- R16V inverted fork of Ø40mm.
- Rear suspension
- Gas Mono-shock shock absorber and seaprate bottle PRS system
Brakes & wheels
- Front brakes
- Single disc. Galfer wave disc with double piston caliper
- Front brakes diameter
- 300 mm
- Rear brakes
- Single disc. Galfer Wave
- Rear brakes diameter
- 200 mm
- Front tyre
- 80/90-21
- Rear tyre
- 110/80-18
Other
- Color options
- Black/white/red, black/red
- Comments
- Spanish brand.
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 | 2010 | 2016 | 2019 | 2021 | 2023 | 2026 |
|---|---|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc |
| Dry weight | 108 kg | 121 kg | 121 kg | 121 kg | 121 kg | 112 kg |
| Seat height | 900 mm | 890 mm | 890 mm | 890 mm | 890 mm | 896 mm |
| Fuel capacity | 6.3 L | 6.3 L | 6.3 L | 6.3 L | 6.3 L | 6 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 Marathon 125 PRO?
The 2021 Rieju Marathon 125 PRO has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the Rieju Marathon 125 PRO have?
The 2021 Rieju Marathon 125 PRO has a Power of 15.0 HP (10.9 kW).
How many gears does the Rieju Marathon 125 PRO have?
The 2021 Rieju Marathon 125 PRO has a Gearbox of 6-speed.
How much does the Rieju Marathon 125 PRO weigh?
The 2021 Rieju Marathon 125 PRO has a Dry weight of 121.0 kg (266.8 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
The 2021 Rieju Marathon 125 Pro is a fantastic motorcycle that delivers an impressive performance on both urban streets and off-road terrain. Its 125cc liquid-cooled, single-cylinder engine provides ample power for thrilling acceleration, while its lightweight and nimble design make it easy to maneuver through tight spaces. The bike's modern suspension and sturdy frame ensure a smooth and stable ride, even on the most rugged trails. With its rugged looks and versatile capabilities, the Rieju Marathon 125 Pro is a great choice for riders who want a reliable and capable motorcycle for both daily commuting and weekend adventures.
Overall, the 2021 Rieju Marathon 125 Pro is a highly capable and versatile motorcycle that offers an exciting riding experience for both new and experienced riders. Its powerful engine, agile handling, and rugged design make it well-suited for navigating diverse terrains and tackling various riding conditions. Whether you're cruising through city streets or exploring off-road trails, the Rieju Marathon 125 Pro provides a thrilling and reliable performance that is sure to impress.
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.