| MODEL | KYMCO AK 550 2021 |
| Year | 2021 |
| Engine Type | Inline twin, four-stroke, DOHC, 8 valves |
| Displacement / Capacity | 550.4 cc / 33.6 cu in |
| Bore X Stroke | 69 x 73.6 mm / 2.72 x 2.9 in |
| Compression Ratio | — |
| Cooling System | Liquid |
| Max Power | 39.3 kW / 52.7 hp @ 7500 rpm |
| Max Torque | 55.6 Nm / 41 ft-lb @ 5500 rpm |
| Ignition | — |
| Induction | Fuel injection |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | CVT |
| Clutch | — |
| Final Drive | Belt |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | 41 mm inverted fork |
| Rear Suspension | Single shock |
| Front Brakes | Dual hydraulic disc, 270 mm / 10.6 in, Brembo, ABS |
| Rear Brakes | Hydraulic disc, 260 mm / 10.2 in, ABS |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | 795 mm / 31.3 in |
| Overall Height | 1400 mm / 55.1 in |
| Seat Height | 785 mm / 30.9 in |
| Wheelbase | 1580 mm / 62.2 in |
| Ground Clearance | — |
| Dry Weight | 210 kg / 463 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 120/70-15 |
| Rear Tyre | 160/60-15 |
| FUEL SYSTEM | |
| Fuel Capacity | 15 Litres / 3.96 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The AK 550 is Kymco's premium GT scooter, powered by a liquid-cooled parallel twin with a CVT and Brembo brakes. This 2021 US-market version features an inverted fork and a single rear shock. It targets long-distance touring riders wanting scooter convenience with maxi-scooter performance.
