14 August. Friday 2026
Kymco AK 550 - 2021 Specifications and Reviews
The 2021 Kymco AK 550 is a maxi-scooter designed for riders seeking practical commuting with elevated performance. Its 550cc twin-engine delivers 53 horsepower and 55.1 Nm of torque, offering car-like comfort and highway-capable speed. Best suited for urban professionals and long-distance commuters valuing convenience, weather protection, and automatic transmission simplicity.
General information | |
| Category | Scooter |
| Year | 2021 |
| Model | Kymco AK 550 |
Engine and Transmission Specifications | |
| Emission details | Euro 4 |
| Cooling system | Liquid |
| Ignition | Electric |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection |
| Bore x Stroke | 69.0 x 73.6 mm (2.7 x 2.9 inches) |
| Compression | 11.0:1 |
| Torque | 55.1 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5500 RPM |
| Power | 53.0 HP (38.7 kW) @ 7500 RPM |
| Engine type | Twin, four-stroke |
| Capacity: | 550.4 ccm (33.59 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Aluminium alloy |
| Rear brakes | Single disc |
| Diameter | 270 mm (10.6 inches) |
| Front brakes | Double disc |
| Rear tire | 160/60-R15 |
| Front tire | 120/70-R15 |
| Rear wheel travel | 48 mm (1.9 inches) |
| Rear Suspension | Horizontal Trailing Arm Rear |
| Front wheel travel | 120 mm (4.7 inches) |
| Front Suspension | Upside down telescopic fork 41 |
| Frame type | Underbone |
| | |
Physical measures and capacities | |
| Oil capacity | 3.00 litres (3.17 US quarts) |
| Fuel capacity | 15.00 litres (3.96 US gallons) |
| Wheelbase | 1580 mm (62.2 inches) |
| Overall width | 795 mm (31.3 inches) |
| Overall length | 2165 mm (85.2 inches) |
| Overall height | 1400 mm (55.1 inches) |
| Seat height | 785 mm (30.9 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.2524 HP/kg |
| Weight incl. oil, gas, etc | 226.0 kg (498.2 pounds) |
| Dry weight | 210.0 kg (462.9 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Factory warranty | 2 Year Limited Factory Warranty (Extended Warranty Packages Available) |
| Starter | Electric |
| Color options | Black, grey |
Maintenance and service data | |
| Tire pressure rear | 39 PSI (2.7 Bar or 270 kPa) |
| Tire pressure front | 36 PSI (2.5 Bar or 250 kPa) |
| Idle speed | 1200 +/- 100 RPM |
| Spark plugs | NGK: CR7E |
Performance Profile & Rider Fit
53 hp
Peak Power
4.8s
0-60 mph
Best For
Track35%
City75%
Cornering68%
Daily Riding82%
Touring78%
Passenger75%
Rider Profile
| Best For | Suited to riders with at least some experience on larger, heavier two-wheelers, since the AK 550's size and weight demand confident low-speed handling. |
| Purpose | Built as a maxi-scooter that blends effortless commuting with genuine long-distance capability, offering car-like performance without the complexity of a manual gearbox. |
| Rider Fit | A tall seat height and substantial curb weight mean shorter or less experienced riders may find it a handful at a stop, though the low center of gravity helps once moving. |
| Character | A premium, sport-oriented maxi-scooter character that rewards confident throttle use with strong midrange torque and stable high-speed manners. |
| Not Ideal For | Not a good fit for off-road exploration or for riders wanting a lightweight, flickable machine for tight city alleys. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Shop This Bike
Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 Kymco AK 550 motorcycle is a powerful and stylish option for riders looking for a high-performance scooter. With a 550cc engine, this bike offers impressive speed and acceleration, making it a great choice for both city commuting and long-distance rides. The sleek design and comfortable seating make it a pleasure to ride, while the advanced technology, including a 5-inch digital display and keyless ignition, adds a modern touch to this classic machine. Overall, the 2021 Kymco AK 550 motorcycle is a top-tier option for riders seeking a combination of power, style, and technology. With its impressive engine and advanced features, this bike is sure to provide a thrilling riding experience for enthusiasts. Whether you're navigating city streets or cruising along the open road, the AK 550 delivers on performance and comfort, making it a standout choice in the scooter market.Add a Comment
Related Motorcycle Specifications
More Kymco Motorcycles
- Motorcycles in database: 45863
- Technical specifications: 1490298
- Images of motorcycles: 72681
- Videos: 339
- Manufacturers: 501
Please Login or Register if you would like to leave a comment.