14 August. Friday 2026
Janus Halcyon 250 - 2021 Specifications and Reviews
The 2021 Janus Halcyon 250 is an approachable all-rounder designed for novice and recreational riders seeking affordable, dependable commuting. Its modest 14hp single-cylinder engine delivers predictable handling and fuel efficiency, making it ideal for urban riding and short-distance touring. Known for simplicity and practicality, this model prioritizes reliability over performance.
General information | |
| Price as new | Do you know this bike?Click here to rate it. We miss 1 vote to show the rating. |
| Category | Allround |
| Year | 2021 |
| Model | Janus Halcyon 250 |
Engine and Transmission Specifications | |
| Clutch | Wet multiplate |
| Transmission type | Chain (final drive) |
| Cooling system | Air |
| Ignition | CDI |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Carburettor. 30mm round slide with accelerator pump |
| Bore x Stroke | 67.0 x 65.0 mm (2.6 x 2.6 inches) |
| Compression | 9.2:1 |
| Top speed | 112.7 km/h (70.0 mph) |
| Torque | 15.8 Nm (1.6 kgf-m or 11.7 ft.lbs) @ 5500 RPM |
| Power | 14.0 HP (10.2 kW) @ 7000 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 229.0 ccm (13.97 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. Single Piston |
| Front brakes | Double disc. 2 piston caliper |
| Rear tire | 3.5-18 |
| Front tire | 3-18 |
| Rear Suspension | Hardtail with sprung seat |
| Front Suspension | Proprietary dual progressive shock leading-link |
| Frame type | DOM tubular steel cradle |
| | |
Physical measures and capacities | |
| Fuel capacity | 7.34 litres (1.94 US gallons) |
| Wheelbase | 1346 mm (53.0 inches) |
| Overall width | 787 mm (31.0 inches) |
| Overall length | 2032 mm (80.0 inches) |
| Overall height | 1041 mm (41.0 inches) |
| Seat height | 787 mm (31.0 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.1174 HP/kg |
| Dry weight | 119.3 kg (263.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Modifications compared to previous model | NEW 2021 Improved Front/Rear Brake Balance NEW 2021 Digital Speedometer and Updated Switches NEW 2021 LED Headlight |
| Factory warranty | 2-year unlimited-mileage warranty |
| Starter | Electric & kick |
| Color options | British Racing Green, Vintage Red, Aga Cream, Black, American Blue, Charcoal, Olive, Cardinal Red |
Performance Profile & Rider Fit
14 hp
Peak Power
70 mph
Top Speed
Best For
Track5%
City65%
Cornering40%
Daily Riding45%
Touring25%
Passenger15%
Rider Profile
| Best For | This is a friendly, low-intimidation machine well suited to new riders or those returning to riding after time away. |
| Purpose | Built for leisurely, style-focused riding around town and on quiet backroads rather than any kind of performance or distance work. |
| Rider Fit | The low seat height and light dry weight make it easy for shorter or less experienced riders to handle at a stop and in slow maneuvers, though the hardtail rear will transmit bumps directly to the rider. |
| Character | A charming, retro-styled single-cylinder cruiser that prioritizes classic looks, simplicity, and a relaxed low-speed ride over outright capability. |
| Not Ideal For | This is not the bike for riders wanting highway touring comfort, off-road capability, or any real straight-line performance. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 Janus Halcyon 250 motorcycle is a stunning vintage-inspired bike that offers a smooth and enjoyable riding experience. With its classic design and modern engineering, this motorcycle is a head-turner on the road. The Halcyon 250 is powered by a 249cc air-cooled single-cylinder engine, providing ample power for city commuting and highway cruising. Its lightweight frame and nimble handling make it an ideal choice for riders of all skill levels. The attention to detail in the construction of the Halcyon 250 is evident in its high-quality components and overall craftsmanship, making it a must-have for motorcycle enthusiasts looking for a unique and reliable ride. The Janus Halcyon 250 motorcycle is a stylish and versatile choice for riders who appreciate vintage aesthetics and modern performance. Its retro design, combined with its efficient and powerful engine, sets it apart from other bikes in its class. Whether you're navigating through city streets or enjoying a leisurely ride through the countryside, the Halcyon 250 delivers a comfortable and exhilarating riding experience. With its classic charm and dependable performance, this motorcycle effortlessly captures the essence of timeless motorcycle design.Add a Comment
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