The Rieju Marathon 125 Pro is a learner enduro bike from Spanish manufacturer Rieju. It uses a liquid-cooled 125cc four-stroke single built to the A1 licence limit of 15 hp.
It has long-travel suspension, a 21-inch front wheel and quality components. It is designed for young riders who want a serious off-road learner bike. Rivals include the Aprilia RX 125 and Yamaha WR125R.
| Year | Photo | Engine | Power | Weight | Seat | Fields |
|---|---|---|---|---|---|---|
| 2026 |  |
125 cc | 15 hp | 112 kg | 896 mm | 36 |
| 2025 | |
125 cc | 15 hp | 112 kg | 896 mm | 36 |
| 2024 |  |
125 cc | 15 hp | 121 kg | 890 mm | 37 |
| 2023 |  |
125 cc | 15 hp | 121 kg | 890 mm | 37 |
| 2022 |  |
125 cc | 15 hp | 121 kg | 890 mm | 37 |
| 2021 |  |
125 cc | 15 hp | 121 kg | 890 mm | 37 |
| 2020 |  |
125 cc | 15 hp | 121 kg | 890 mm | 37 |
| 2019 | |
125 cc | 15 hp | 121 kg | 890 mm | 37 |
| 2018 |  |
125 cc | 15 hp | 121 kg | 890 mm | 36 |
| 2017 | |
125 cc | 15 hp | 121 kg | 890 mm | 36 |
| 2016 |  |
125 cc | 15 hp | 121 kg | 890 mm | 36 |
| 2015 |  |
125 cc | 15 hp | 115 kg | 870 mm | 36 |
| 2014 | |
125 cc | 15 hp | 115 kg | 870 mm | 36 |
| 2013 | |
125 cc | 15 hp | 115 kg | 870 mm | 36 |
| 2011 |  |
125 cc | 15 hp | 108 kg | 900 mm | 35 |
| 2010 |  |
125 cc | 15 hp | 108 kg | 900 mm | 35 |