Honda Grom Top Speed: Everything You Need to Know

Honda Grom Top Speed

The Honda Grom is a popular mini motorcycle that has gained a cult following among riders. One of the most frequently asked questions about this bike is, “What is the Honda Grom top speed?” Riders want to know what kind of speed they can expect from this small but mighty machine.

The answer to the question of the Honda Grom top speed is not a straightforward one. The bike’s top speed can vary depending on a number of factors, such as the rider’s weight, the road conditions, and the bike’s modifications. However, the official advertised top speed for the Honda Grom is around 73 mph, which is impressive for a bike of its size. In this article, we will explore the Honda Grom’s top speed in more detail and provide some insights into what factors can affect it.

What Is the Honda Grom?

The Honda Grom is a small motorcycle that has become popular among riders who want a fun, affordable, and easy-to-ride bike. The Grom is also known as the MSX125 in some markets, but it is the same bike. It was first introduced in 2013 and has since undergone several updates and improvements.

The Grom has a small 125cc engine that is air-cooled and fuel-injected. It is a single-cylinder engine that produces around 9 horsepower. The bike is also equipped with a 4-speed transmission with a fifth gear for cruising. The Grom is designed to be lightweight and agile, with a curb weight of around 230 pounds.

The Grom’s small size and low seat height make it easy to handle for riders of all sizes and skill levels. It has a simple, naked-bike design that is easy to customize with aftermarket parts. The Grom also has a digital instrument cluster that displays speed, fuel level, and other information.

Honda Grom Top Speed

The Honda Grom is a popular mini motorcycle that is known for its fun and playful nature. One of the most common questions asked about the Grom is its top speed. In this section, we will explore the stock and modified top speeds of the Honda Grom.

Stock Honda Grom Top Speed

The stock Honda Grom has a top speed of around 55-73 MPH, depending on the rider’s weight and the road conditions. The Grom’s small 125cc engine produces around 9 horsepower and 8 lb-ft of torque, which is enough to propel the bike to its top speed.

The Grom’s top speed is not particularly fast, but it is more than enough for city riding and having fun on twisty back roads. The Grom is not designed for highway riding, so riders should avoid taking it on highways or other high-speed roads.

Modified Honda Grom Top Speed

Many Grom owners modify their bikes to increase their top speed and overall performance. Some popular modifications include upgrading the exhaust system, installing a new air intake, and adding a fuel controller.

With these modifications, the Honda Grom can reach top speeds of up to 80-90 MPH. However, it is important to note that modifying the Grom can void its warranty and may not be legal in some states.

In addition to modifying the engine, riders can also improve the Grom’s top speed by upgrading the suspension and brakes. These upgrades can help the bike handle better at higher speeds and make it safer to ride.

Factors Affecting Honda Grom Top Speed

When it comes to the Honda Grom’s top speed, there are several factors that can affect it. These factors include the rider’s weight, rider position, and wind conditions.

1. Weight

The weight of the rider is one of the most significant factors that can affect the top speed of the Honda Grom. Heavier riders will experience more wind resistance, which can slow down the bike. On the other hand, lighter riders will experience less wind resistance, which can allow the bike to go faster.

2. Rider Position

The position of the rider on the Honda Grom can also affect the bike’s top speed. Riders who are in a more aerodynamic position, with their body positioned closer to the tank, will experience less wind resistance and may be able to achieve a higher top speed. Additionally, riders who are more experienced and comfortable on the bike may be able to achieve a higher top speed due to their ability to control the bike more effectively.

3. Wind Conditions

Wind conditions can also play a significant role in the Honda Grom’s top speed. Strong headwinds can slow down the bike, while tailwinds can help the bike go faster. Crosswinds can also affect the bike’s stability, which can impact the rider’s ability to control the bike and maintain a high speed.

How to Increase Honda Grom Top Speed?

If you’re looking to increase the top speed of your Honda Grom, there are several modifications you can make to achieve your goal. Here are some ways to increase your Honda Grom’s top speed:

Upgrading the Exhaust System

Upgrading the exhaust system is one of the most popular ways to increase the top speed of your Honda Grom. A good aftermarket exhaust system can increase horsepower and torque, which can lead to a higher top speed. The Yoshimura exhaust system is a popular choice among Honda Grom enthusiasts and claims a 13.9% increase to peak horsepower and 14.3% increase to peak torque when compared to the stock exhaust.

Modifying the Air Intake System

Modifying the air intake system can also help increase the top speed of your Honda Grom. A high-performance air filter and intake system can increase airflow to the engine, which can improve acceleration and top speed. TST Industries offers a high-performance air filter and intake system specifically designed for the Honda Grom.

Upgrading the Fuel System

Upgrading the fuel system can also help increase the top speed of your Honda Grom. A high-performance fuel injector or fuel pump can increase fuel flow to the engine, which can lead to improved performance and higher top speed. However, upgrading the fuel system can be expensive and may require professional installation.

Tuning the Engine

Tuning the engine can also help increase the top speed of your Honda Grom. A good engine tune can optimize the air/fuel mixture and ignition timing, which can lead to improved performance and higher top speed. However, engine tuning can be complex and should be done by a professional.

Reducing Weight

Reducing weight is another way to increase the top speed of your Honda Grom. Removing unnecessary parts or replacing heavy parts with lighter ones can improve acceleration and top speed. However, it’s important to keep in mind that removing certain parts can affect the handling and safety of your Honda Grom.

Safety Considerations

When riding any motorcycle, including the Honda Grom, safety should always be a top priority. Here are some safety considerations to keep in mind when riding the Honda Grom:

  • Wear a helmet: Wearing a helmet can greatly reduce the risk of head injury in the event of an accident. It is important to choose a helmet that fits properly and meets safety standards.
  • Wear protective gear: In addition to a helmet, it is also important to wear protective clothing such as gloves, boots, and a jacket. This can help protect against road rash and other injuries in the event of a crash.
  • Follow traffic laws: The Honda Grom is a street-legal motorcycle, which means that riders must follow all traffic laws, including speed limits and traffic signals.
  • Be visible: It is important to make sure that other drivers on the road can see you. This can be achieved by wearing bright or reflective clothing, using turn signals, and keeping your headlights on.
  • Be aware of road conditions: The Honda Grom is a small motorcycle and may be more susceptible to road hazards such as potholes and debris. It is important to be aware of road conditions and adjust your riding accordingly.

Conclusion

The Honda Grom is a small bike that packs a punch in terms of speed and performance. Its top speed is around 73 mph, which is impressive for a bike of its size. The Grom’s four-stroke air-cooled engine and the wider spread of ratios in the gearbox allow it to reach higher speeds without over-revving.

While Honda claims the top speed of the Grom is 59 mph, some riders have reported going even faster with a few upgrades. However, it’s important to note that modifications can affect the bike’s performance and safety. Therefore, it’s crucial to follow proper procedures and guidelines when using aftermarket parts.

Overall, the Honda Grom is an excellent option for those seeking a fast and enjoyable ride. Its compact size and lightweight design make it easy to maneuver, while its top speed offers an exciting experience on the road. Whether you’re a beginner or an experienced rider, the Grom is worth considering for its power and performance.

FAQs

Can the Honda Grom reach its top speed without modifications?

The Honda Grom has a top speed of around 73 mph, which is pretty impressive for a small bike like this. However, some riders have reported that they were able to reach even higher speeds without any modifications. While it is possible to reach the top speed without modifications, it largely depends on the rider’s weight, riding style, and road conditions.

How does the Honda Grom’s top speed compare to other bikes in its class?

The Honda Grom’s top speed is relatively high compared to other bikes in its class. For example, the Kawasaki Z125 Pro has a top speed of around 60 mph, while the Kymco K-Pipe 125 has a top speed of around 55 mph. The Honda Grom’s top speed is undoubtedly one of the reasons why it has become so popular among riders.

Is it safe to ride the Honda Grom at its top speed?

While the Honda Grom is capable of reaching high speeds, it’s important to remember that it is still a small bike. Riding at high speeds can be dangerous, especially on busy roads or in adverse weather conditions. It’s crucial to wear appropriate safety gear, including a helmet, gloves, and protective clothing, and to always ride within your skill level and the limits of the bike.

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