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2025Kymco AK 550I

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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.

Capacity
550.4 ccm
Engine
Parallel Twin, four-stroke
Gearbox
Not on record
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Dry weight
210.0 kg
Seat height
785 mm
Power
53.0 HP (38.7 kW) @ 7500 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2025 Kymco AK 550I

vs the 2024
Spec20242025
Torque 55.1 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5500 RPM 55.1 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5750 RPM
Front suspension Upside down telescopic fork 41 41mm Inverted Fork
Other years 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 67Agility 57Comfort 82Off-road 5Touring 80Road manners 78
Off-road & trail5%
Cornering60%
City riding75%
Daily riding82%
Touring80%
Two-up78%
Track25%
Best for
Built as a big-wheel maxi-scooter that blends brisk highway performance with commuting convenience, comfort features, and light touring capability.
Built for
Refined and torquey, with a twin-cylinder engine and CVT that deliver smooth, strong acceleration and a relaxed, premium-feeling ride.
Not ideal for
Not a good fit for off-road use, track enthusiasts seeking razor-sharp cornering, or riders wanting a lightweight, flickable city runabout.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 785mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2025 Kymco AK 550I, with a moderate knee angle of around 110 degrees and a slightly forward riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine
Capacity
550.4 ccm
Power
53.0 HP (38.7 kW) @ 7500 RPM
Torque
55.1 Nm (5.6 kgf-m) @ 5750 RPM
Engine type
Parallel Twin, four-stroke
Power/weight ratio
0.2524 HP/kg (dry)
Bore x stroke
69.0 x 73.6 mm
Compression
11.0:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
Electric
Valves per cylinder
4
Spark plugs
NGK: CR7E
Transmission
Transmission type
Automatic
Final drive
Belt
Dimensions & weight
Wheelbase
1580 mm
Overall length
2165 mm
Overall width
795 mm
Overall height
1400 mm
Seat height
785 mm
Dry weight
210.0 kg
Wet weight
226.0 kg
Fuel capacity
15.00 litres
Oil capacity
3.00 litres
Carrying capacity
Underseat storage
Chassis & suspension
Frame
Underbone
Front suspension
41mm Inverted Fork
Rear suspension
Horizontal Trailing Arm
Front wheel travel
120 mm
Rear wheel travel
48 mm
Brakes & wheels
Front brakes
Double disc. ABS
Rear brakes
Single disc. ABS
ABS
Yes
Front tyre
120/70-R15
Rear tyre
160/60-R15
Tire pressure front
36 PSI (2.5 Bar or 250 kPa)
Tire pressure rear
39 PSI (2.7 Bar or 270 kPa)
Other
Color options
Matte Metallic Silver, Deep Blue.
Comments
Windscreen. Heated grips. Keyless. USB.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 2023202420252026
Capacity 550 cc 550 cc 550 cc 550 cc
Dry weight 210 kg 210 kg 210 kg 210 kg
Seat height 785 mm 785 mm 785 mm 785 mm
Fuel capacity 15 L 15 L 15 L 15 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Kymco AK 550I?

The 2025 Kymco AK 550I has a Capacity of 550.4 ccm (33.59 cubic inches).

What engine power does the Kymco AK 550I have?

The 2025 Kymco AK 550I has a Power of 53.0 HP (38.7 kW) @ 7500 RPM.

What is the torque of the Kymco AK 550I?

The 2025 Kymco AK 550I has a Torque of 55.1 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5750 RPM.

How much does the Kymco AK 550I weigh?

The 2025 Kymco AK 550I has a Dry weight of 210.0 kg (463.0 pounds).

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