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Janus Halcyon 450 - 2021 Specifications and Reviews

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General information

CategoryAllround
Year2021
ModelJanus Halcyon 450

Engine and Transmission Specifications

ClutchWet multiplate
Transmission typeChain   (final drive)
Cooling systemAir
Lubrication systemDry sump with gerotor pump, cartridge filter, and oil cooler
IgnitionCDI
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemCarburettor. Electronic injection
Compression10.1:1
Top speed144.8 km/h (90.0 mph)
Power30.0 Horsepower">HP (21.9 Kilowatt">kW)) @ 7500 Revolutions">RPM
Engine typeSingle cylinder, four-stroke
Capacity:445.0 ccm (27.15 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. Single Piston caliper brembo
Diameter280 mm (11.0 inches)
Front brakesDouble disc. Two-piston caliper Brembo
Rear tire4.50-18
Front tire4.00-18
Rear SuspensionProprietary cantilever transom with dual progressive coil-over Ikon shocks
Front SuspensionProprietary dual progressive shock leading-link
Frame typeDOM tubular steel cradle
 
 

Physical measures and capacities

Fuel capacity7.57 litres (2.00 US gallons)
Wheelbase1422 mm (56.0 inches)
Overall width787 mm (31.0 inches)
Overall length2184 mm (86.0 inches)
Overall height1041 mm (41.0 inches)
Seat height762 mm (30.0 inches) If adjustable, lowest setting.
Power/weight ratio0.1868 HP/kg
Dry weight160.6 kg (354.0 pounds)

Other specs

Factory warranty2-year unlimited-mileage warranty
StarterElectric
Color optionsBritish Racing Green, Vintage Red, Aga Cream, Black, American Blue, Charcoal, Olive, Cardinal Red

Rider Reviews

Total comments: 1
64x64

MotorcycleDB Review

The 2021 Janus Halcyon 450 motorcycle is a stunning combination of classic design and modern performance. With its retro-inspired looks and powerful 450cc engine, this bike is a head-turner on the road. The attention to detail is evident in every aspect of the Halcyon 450, from its hand-built frame to its vintage-style components. Whether you're cruising around town or hitting the open road, this motorcycle delivers a smooth and comfortable ride, making it a joy to ride. The Janus Halcyon 450 motorcycle is a true testament to the craftsmanship and quality that Janus Motorcycles is known for. It's no wonder that this bike has garnered attention from enthusiasts and riders alike. With its timeless aesthetic and impressive performance, the 2021 Janus Halcyon 450 is a standout in the world of classic motorcycles. If you're in the market for a bike that offers a perfect blend of style and substance, look no further than the Janus Halcyon 450.
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