What category is the 2023 Janus Halcyon 450?

The 2023 Janus Halcyon 450 has a Category of Allround.

What is the engine size of the 2023 Janus Halcyon 450?

The 2023 Janus Halcyon 450 has a Capacity: of 445.0 ccm (27.15 cubic inches).

What type of engine does the 2023 Janus Halcyon 450 have?

The 2023 Janus Halcyon 450 has a Engine type of Single cylinder, four-stroke.

What is the engine power of the 2023 Janus Halcyon 450?

The 2023 Janus Halcyon 450 has a Power of 30.0 HP (21.9 kW) @ 7500 RPM.

What is the top speed of the 2023 Janus Halcyon 450?

The 2023 Janus Halcyon 450 has a Top speed of 144.8 km/h (90.0 mph).

Is the 2023 Janus Halcyon 450 air cooled or liquid cooled?

The 2023 Janus Halcyon 450 has a Cooling system of Oil & air.

How many gears does the 2023 Janus Halcyon 450 have?

The 2023 Janus Halcyon 450 has a Gearbox of 5-speed.

How much does the 2023 Janus Halcyon 450 weigh?

The 2023 Janus Halcyon 450 has a Dry weight of 156.5 kg (345.0 pounds).

What is the seat height of the 2023 Janus Halcyon 450?

The 2023 Janus Halcyon 450 has a Seat height of 762 mm (30.0 inches) If adjustable, lowest setting..

Janus Halcyon 450 - 2023 Specifications and Reviews

Name: 2023 Janus Halcyon 450
Brand: Janus

The 2023 Janus Halcyon 450 is an all-around middleweight single-cylinder motorcycle powered by a 445cc SWM engine delivering 30 horsepower. Ideal for versatile riders seeking a reliable, efficient platform, it excels as a commuter and light adventure bike with accessible handling and fuel efficiency. Its oil-air cooling system and robust construction make it dependable for varied riding conditions.

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2023

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General information
Category	Allround
Year	2023
Model	Janus Halcyon 450
Engine and Transmission Specifications
Clutch	Wet multiplate
Transmission type	Chain (final drive)
Gearbox	5-speed
Cooling system	Oil & air
Lubrication system	Dry sump with gerotor pump, cartridge filter, and oil cooler
Ignition	CDI
Fuel control	Single Overhead Cams (SOHC)
Fuel system	Injection
Valves per Cylinder	4
Compression	10.1:1
Top speed	144.8 km/h (90.0 mph)
Power	30.0 HP (21.9 kW) @ 7500 RPM
Engine details	SWM engine
Engine type	Single cylinder, four-stroke
Capacity:	445.0 ccm (27.15 cubic inches)

Brakes, suspension, Frame and wheels
Seat	Sargent
Wheels	Aluminum alloy rims and stainless steel straight-pull spokes
Rear brakes	Single disc. Single Piston caliper brembo
Diameter	280 mm (11.0 inches)
Front brakes	Double disc. Two-piston caliper Brembo
Rear tire	4.50-18
Front tire	4.00-18
Rear Suspension	Proprietary cantilever transom with dual progressive coil-over Ikon shocks
Front Suspension	Proprietary dual progressive shock leading-link
Frame type	DOM tubular steel cradle
Physical measures and capacities
Fuel capacity	7.57 litres (2.00 US gallons)
Wheelbase	1422 mm (56.0 inches)
Overall width	787 mm (31.0 inches)
Overall length	2184 mm (86.0 inches)
Overall height	1041 mm (41.0 inches)
Seat height	762 mm (30.0 inches) If adjustable, lowest setting.
Power/weight ratio	0.1917 HP/kg
Dry weight	156.5 kg (345.0 pounds)

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty	2-year unlimited-mileage warranty
Starter	Electric
Color options	British Racing Green, Vintage Red, Aga Cream, Black, American Blue, Charcoal, Olive, Cardinal Red

Performance Profile & Rider Fit

26.8 hp

Peak Power

12.5s

0-60 mph

90 mph

Top Speed

Best For

Track15%

City70%

Cornering45%

Daily Riding65%

Touring40%

Passenger40%

Rider Profile

Best For	This bike suits new to intermediate riders who want a low-stress, low-power machine to build confidence on.
Purpose	It's built for relaxed cruising and everyday commuting rather than outright speed or long-distance touring.
Rider Fit	The low seat height and modest weight make it manageable for shorter or less physically strong riders.
Character	It has a classic, unhurried cruiser personality with simple mechanicals and a laid-back retro feel.
Not Ideal For	It's not for riders seeking highway-speed touring performance or any serious off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2023 Janus Halcyon 450 Rider Ergonomics Assessment

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Feet:

At 762mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2023 Janus Halcyon 450, with a moderate knee angle of around 115 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2023 Janus Halcyon 450 is a sleek and stylish option for those in the market for a high-performance escape. With its powerful engine and advanced technology features, this vehicle is designed to provide an exhilarating driving experience. The interior is also top-notch, with luxurious materials and comfortable seating for long journeys. Overall, the Janus Halcyon 450 is a fantastic choice for anyone looking for a reliable and stylish escape vehicle. In conclusion, the 2023 Janus Halcyon 450 is a top-of-the-line escape vehicle that offers a perfect combination of performance, style, and comfort. With its powerful engine and advanced technology features, this vehicle is sure to provide an enjoyable driving experience. Whether you're planning a weekend getaway or a longer road trip, the Janus Halcyon 450 has everything you need for a memorable escape.