The Rieju Marathon 125 Pro SM is a learner supermoto from the Spanish brand Rieju. It uses a 125cc four-stroke single in a full-size chassis with 17-inch road wheels and quality suspension.
It is aimed at learners who want a serious-looking supermoto that is legal on a learner licence. Rivals include the Husqvarna SM 125 and Beta RR 125 Motard.
| Year | Photo | Engine | Power | Weight | Seat | Fields |
|---|---|---|---|---|---|---|
| 2026 |  |
125 cc | 15 hp | 112 kg | 876 mm | 37 |
| 2025 | |
125 cc | 15 hp | 112 kg | 876 mm | 37 |
| 2024 |  |
125 cc | 15 hp | 121 kg | 870 mm | 37 |
| 2023 |  |
125 cc | 15 hp | 121 kg | 870 mm | 38 |
| 2022 |  |
125 cc | 15 hp | 121 kg | 870 mm | 38 |
| 2021 |  |
125 cc | 15 hp | 121 kg | 870 mm | 38 |
| 2020 |  |
125 cc | 15 hp | 95 kg | 870 mm | 36 |
| 2019 | |
125 cc | 15 hp | 95 kg | 870 mm | 36 |
| 2018 | |
125 cc | 15 hp | 95 kg | 870 mm | 36 |
| 2017 | |
125 cc | 15 hp | 95 kg | 870 mm | 36 |
| 2013 |  |
125 cc | 15 hp | 115 kg | 870 mm | 36 |
| 2010 |  |
125 cc | 15 hp | 107 kg | 900 mm | 36 |