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Classic soul, modern performance.
DISCOVER UM RIVERDALE 401!
The Riverdale 400 redefines the neo-classic motorcycle segment with its innovative design that nods to vintage aesthetics while embracing modern performance. Powered by a state-of-the-art 401cc liquid-cooled engine, this bike is engineered for both urban streets and open roads, offering an exhilarating riding experience wherever you go. With its upside-down forks, 17-inch wheels, and front radial caliper, the Riverdale 400 ensures superior handling and braking precision. Whether you’re commuting through the city or venturing beyond, this motorcycle is built to be your perfect everyday companion—delivering both style and thrill in every ride.
Classic soul, modern performance.
COLOR
Matt Grey Glossy Bottle Green Glossy Yellow
Design
A new star in the “neo-classic” segment, blending vintage aesthetics with cutting-edge performance.
Performance
Powered by a 401cc liquid-cooled twin-cylinder engine, delivering 31.5 kW at 9500 rpm, offering an exciting riding experience, every day.
Comfort
All the comfort expected from a real urban motorcycle, and a perfect mix of great handling, performance and style.
401cc liquid-cooled twin-cylinder engine, delivering 31.5 kW at 9500 rpm, offering an exciting riding experience, every day.
Front double disc brakes with radial-mounted calipers.
Upside-down front fork and 17-inch wheels.
LED headlights with the iconic “R” integrated into the front light
Front Dash Cam.
LCD display.
Comfortable high-quality seat.
Engine and Trasmission
ENGINE TYPE
Double cylinder, 4-stroke
DISPLACEMENT
400.9cc
VALVE
8 Valves
IGNITION
ECU
FUEL DELIVERY
EFI
MAX POWER
31.5kW / 9500 rpm
MAX TORQUE
34N.m / 8000 rpm
COMPRESSION RATIO
11.6:1
BORE X STROKE
68 x 55.2 mm
STARTER SYSTEM
Electric Starter
COOLING SYSTEM
Liquid-cooled
TRANSMISSION TYPE
Constant mesh 6-speed
FINAL DRIVE
428H Chain
Suspension Brake and Tires
FRONT SUSPENSION
Inverted, shock absorber
REAR SUSPENSION
Monoshock
FRONT TIRE
110 / 70 – 17
REAR TIRE
150 / 55 – 17
BRAKE SYSTEM
ABS
FRONT BRAKE
Double disc with radial calipers
REAR BRAKE
Disc
Dimensions
WEIGHT
187 Kg
SEAT HEIGHT
790 mm
LENGTH
2050 mm
WIDTH
800 mm
GROUND CLEARANCE
160 mm
WHEELBASE
1390 mm
FUEL TANK CAPACITY
15.5 L
UM supplies high-quality products with outstanding warranty coverage. We strive to ensure our customers receive consistent support and suitable after-sales service via all our distributors.