17 May. Sunday 2026
Ak 550I - 2025 Specifications and Reviews
The 2025 Kymco AK 550i is a maxi-scooter built for riders seeking practical commuting with genuine performance. Its 550cc twin-cylinder engine delivers 53 horsepower, making it equally comfortable tackling highway speeds or city traffic. Known for combining sporty handling with functional storage, it appeals to practical riders who refuse to sacrifice excitement.
2025
General information | |
| Color Options | Matte Metallic Silver, Deep Blue. |
| Price | US$ 10399. MSRP depends on country, taxes, accessories, etc. |
| Category | Scooter |
| Model | Kymco AK 550i |
| | |
Engine and Transmission Specifications | |
| Starting | Electric |
| Final Drive | Belt (final drive) |
| Gearbox | Automatic |
| Cooling System | Liquid |
| Ignition | Electric |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) |
| Induction | Injection |
| Valves Per Cylinder | 4 |
| Bore x Stroke | 69.0 x 73.6 mm (2.7 x 2.9 inches) |
| Compression Ratio | 11.0:1 |
| Max Torque | 55.1 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5750 RPM |
| Max Power | 53.0 HP (38.7 kW)) @ 7500 RPM |
| Capacity | 550.4 ccm (33.59 cubic inches) |
| | |
Physical measures and capacities | |
| 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 |
| Wet Weight | 226.0 kg (498.2 pounds) |
| Dry Weight | 210.0 kg (462.9 pounds) |
Ak 550I dimensions and frame | |
| Wheels | Aluminium alloy |
| Rear Brakes | Single disc. ABS |
| Brake Disc Diameter | 260 mm (10.2 inches) |
| Front Brakes | Double disc. ABS |
| Rear Tyre | 160/60-R15 |
| Front Tyre | 120/70-R15 |
| Rear Wheel Travel | 48 mm (1.9 inches) |
| Rear Suspension | Horizontal Trailing Arm |
| Front Wheel Travel | 120 mm (4.7 inches) |
| Front Suspension | 41mm Inverted Fork |
| Frame | Underbone |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 Kymco AK 550i discussion group or the general Kymco discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| 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 |
| Coolant | 1.00 litres (0.26 US gallons) |
| Update specs | Report missing specs or required updates. |
| Comments | Windscreen. Heated grips. Keyless. USB. |
| Warranty | 2 Year Limited Factory Warranty (Extended Warranty Packages Available) |
| Carrying Capacity | Underseat storage |
| Lighting | LED lights |
| Oil capacity | 3.00 litres (3.17 US quarts) |
| Driveline | CVT |
| Engine type | Twin, four-stroke |
| Model year | 2025 |
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