UM Motorcycles Riverdale 401: specs and comparison
UM Motorcycles Riverdale 401 (Retro / classic, since 2025): 401 cc engine, 32 kW / 43 hp, 187 kg (dry), seat height 790 mm. Licence: A2.
Compare UM Motorcycles Riverdale 401 with any model
Specs
Version since 2025
| Years | since 2025 |
|---|---|
| Type | Retro / classic |
| Licence | A2 |
| Engine | 401 cm³, 2 cyl. |
| Power | 31.5 kW / 43 hp |
| Weight | 187 kg (dry) |
| Seat height | 790 mm |
| ABS | ABS |
| Drive / gearbox | chain, manual |
| Tank | 15.5 l |
| Fuel use | 4.8 l/100 km |
| Range on one tank | 280 km |
| Used price (estimate) | £3,500 - £3,800 |
Why it's worth it
- Smooth, predictable power
- Strong brakes
- Good quality suspension
Weak points
- Small dealer network
- Some parts hard to find
- Budget build quality
What to check on a used one
- Service history: stamps and invoices
- Electrical connectors: corrosion, lights, switches
- Crash damage: bar ends, levers, footpegs, scratched covers
Similar motorcycles
- Triumph Scrambler 400 X 398 cm³ · 29 kW · 835 mm
- Triumph Scrambler 400 XC 398 cm³ · 29 kW · 835 mm
- Junak SR 400 401 cm³ · 32 kW · 770 mm
- Junak M12 Vintage 400 401 cm³ · 31 kW · 735 mm
- Triumph Thruxton 400 398 cm³ · 31 kW · 795 mm
- Triumph Tracker 400 398 cm³ · 31 kW · 805 mm
- Fantic Caballero Scrambler 500 463 cm³ · 32 kW · 820 mm
- Fantic Caballero Rally 500 463 cm³ · 32 kW · 860 mm
Questions
Is the UM Motorcycles Riverdale 401 A2-legal?
Yes: 31.5 kW is within the A2 limit of 35 kW. Some countries also check 0.2 kW per kg, so confirm the papers of the bike you buy.
What is the seat height of the UM Motorcycles Riverdale 401?
790 mm. Whether you reach the ground also depends on the seat width: the finder estimates it from your height and inseam.
How much does the UM Motorcycles Riverdale 401 weigh?
187 kg (dry).
What is the fuel use and range of the UM Motorcycles Riverdale 401?
About 4.8 l/100 km; with the 15.5 l tank that is roughly 280 km before the reserve.
Specs from makers and test sources; prices are estimates. Check the bike you buy.