10 Yamaha Aerox 155 Problems – Here’s Fixing Tips

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Yamaha’s Aerox 155 is a popular choice among scooter enthusiasts, known for its sporty design and compelling performance.

Yamaha Aerox 155 Problems

However, no vehicle is without its flaws. In this article, we’ll discuss the most common problems of Yamaha Aerox 155 that owners are facing and provide you with solutions. 

Let’s begin!

Yamaha Aerox 155 Problems

Yamaha Aerox 155 problems are harsh suspension, limited leg room, rear seat size, feeble side stand, fuel lid quality, mobile holder size, absence of headlight (HL) pass switch, poor headlamp illumination, rear seat accessibility, and battery drain.

1. Harsh Suspension

One notable issue faced by riders of the Yamaha Aerox 155 is the harshness of its suspension system.

This problem manifests as a less-than-smooth riding experience, particularly when navigating over potholes or rough terrain.

The reason for this discomfort lies in the scooter’s stiff suspension setup, which while providing excellent stability at high speeds.

So, you should consider aftermarket solutions, such as replacing the stock suspension with adjustable shocks that allow for a more finely-tuned riding experience. 

Moreover, you can adjust the preload settings, if available, it can help soften the ride. 

2. Limited Leg Room

Another critique that riders may have is the limited legroom, which can be an inconvenience, particularly for taller individuals.

This issue arises because the scooter’s design prioritizes a sleek, aerodynamic shape, often resulting in a more compact footrest area. 

To address this, you can opt to modify the seat or adjust your seating position, though these are not perfect solutions.

Moreover, future models could benefit from design tweaks that accommodate more leg space while maintaining the scooter’s stylish appeal.

3. Rear Seat Size/Comfort

This issue lies in the relatively small size of the seat, which can lead to discomfort for passengers, especially during longer rides. 

The limited cushioning and the positioning of the seat may also contribute to an overall less enjoyable riding experience.

Related: Yamaha Tenere 700 Issues

To resolve this, you can consider after-market solutions such as fitting a custom-designed, larger seat that offers better support and padding.

Adding a layer of high-quality foam or gel pads can also enhance comfort. 

For those who frequently ride with a passenger, it’s crucial to assess the modifications in terms of the safety and stability of the bike. 

In some cases, it may be necessary to adjust the suspension settings of the Aerox 155 to accommodate the added weight and ensure a smoother ride.

4. Feeble Side Stand

The side stand, designed to support the scooter when parked, may exhibit signs of weakness or instability.

This can pose a risk of the scooter tipping over, which could lead to cosmetic and mechanical damage.

The problem often stems from a flawed stand design that does not evenly distribute the scooter’s weight, or it may result from gradual wear and tear.

To resolve this you can either reinforce the existing stand by having it welded with additional support materials or replace it with an aftermarket option. 

Manufacturers may also issue recalls or provide upgraded parts to rectify this problem, so checking for such updates is prudent.

5. Fuel Lid Quality

Some owners also have reported that the fuel lid does not close securely or may have a tendency to warp or not seal properly. 

This problem could stem from a defect in the manufacturing process or materials used that are not resistant to the heat and vibration inherent in motorcycle operation.

The solution to this issue lies in the careful inspection and, if necessary, the replacement of the fuel lid with a genuine Yamaha par.

Yamaha dealerships or certified repair shops can provide a proper assessment and conduct repairs or replacements as needed.

For a temporary fix, you can ensure the lid is carefully closed and periodically check for signs of wear or damage.

6. Mobile Holder Size

Riders often rely on their mobile devices for navigation, communication, or playing music during their journey. 

However, if the mobile holder is too small or lacks adjustability, it becomes challenging to secure the phone safely, leading to distractions.

A solution to this problem is you should upgrade to a universal mobile holder that can adjust to fit various phone sizes.

This improves the functionality of the bike and ensures that the rider can safely and conveniently use their mobile device on the go.

7. Absence of Headlight (HL) Pass Switch

Another notable problem with the Yamaha Aerox 155 scooter is the absence of a headlight pass switch. 

This feature allows you to quickly flash your headlights to signal other drivers, usually when overtaking or as a warning. 

The lack of this functionality can be an inconvenience and poses a safety issue, as riders are unable to communicate rapidly with other motorists using their headlights. 

To resolve this you should consider incorporating this feature in future models, or you could look into aftermarket solutions.

8. Poor Headlamp Illumination

The underlying cause of this problem often lies in a weak or faulty bulb or an electrical system that fails to supply adequate power.

In some cases, the issue could be due to incorrect alignment of the headlamp, resulting in reduced visibility on the road.

To resolve this problem you should first check the headlamp bulb and replace it if it’s dim or burnt out.

Next, ensure the electrical connections are secure and the battery is fully charged; it can also improve headlamp performance.

For alignment-related issues, you can consult the user manual for proper adjustment instructions.

9. Rear Seat Accessibility

The sporty design of the scooter poses challenges for accessing the under-seat storage and for passengers when mounting the scooter.

This inconvenience is primarily due to the high positioning and the sporty tail design which obstructs easy access.

To resolve these concerns, you can consider aftermarket modifications such as lowering kits or adjustable seats.

Moreover, practising specific mounting techniques can alleviate some difficulties for passengers.

For a more permanent solution, Yamaha could potentially revise the design to offer greater practicality while maintaining its aesthetic appeal.

10. Battery Drain

Lastly, the battery drain problem can be caused by several factors including a faulty electrical system, an old or damaged battery, or parasitic drains.

To resolve this, you should first check the condition of the battery and replace it if necessary.

You should also inspect the electrical system for any signs of damaged wiring or malfunctioning components.

Also, regularly maintain your scooter to prevent this issue. Moreover, ensure that all electrical accessories are turned off when the motorcycle is not in use.

Yamaha Aerox 155 User Review

The Yamaha Aerox 155 is a versatile scooter that exceeds expectations in various scenarios, from city commutes to highway rides and even racing. 

Its standout feature is the powerful 155cc engine, allowing for comfortable cruising at 100-110kph on the highway. 

However, the scooter’s small fuel tank requires frequent stops on longer journeys. 

The Aerox 155’s confident and agile handling, thanks to its large wheels and grippy tyres, allows for spirited cornering.

Despite a few drawbacks, such as the seat design causing sliding forward and the braking setup requiring a strong pull, the Aerox 155 remains popular in Southeast Asia. 

The availability of aftermarket upgrades for brakes, suspension, and fuel capacity provides customization options to suit individual preferences and riding styles.

Yamaha Aerox 155 Problems Technical Specifications

Engine TypeLiquid cooled, 4-stroke, SOHC, 4-valve
Displacement155 cc
Max Power15 PS @ 8000 rpm
Max Torque13.9 Nm @ 6500 rpm
Front BrakeDisc
Rear BrakeDrum
Fuel Capacity5.5 L
Mileage (City)48.62 kmpl
Cooling SystemLiquid Cooled
Starting MechanismSelf Start Only
Fuel SupplyFuel Injection
ClutchDry, Centrifugal Automatic
Gear BoxV-Belt Automatic
Bore58.0 mm
Stroke58.7 mm
Compression Ratio11.6:1
Emission TypeBS6
Suspension FrontTelescopic fork 26 mm
Suspension RearUnit swing
ABSSingle Channel
Tyre SizeFront: 110/80-14, Rear: 140/70-14
Wheel SizeFront: 355.6 mm, Rear: 355.6 mm
Wheels TypeAlloy
Tubeless TyreYes
Dimensions (LxWxH)1980 mm x 700 mm x 1150 mm
Saddle Height790 mm
Ground Clearance145 mm
Wheelbase1350 mm
Kerb Weight126 kg
Underseat Storage24.5 L

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