Difference Between Dry Weight And Kerb/Wet Weight

  • Author :
  • TATA AIG Team
  • Published on :
  • 05/12/2023

Have you ever wondered what it means when someone tells you a motorcycle weighs 180 kg? Does the weight include the fuel? What about the brake and engine oil? This is where the difference between dry weight and kerb weight comes in. You must have seen these terms while going through a bike’s specifications.

Dry weight and kerb weight in bike confuses many out there. If you are one of them, this article is for you. Here, you will learn all about the difference between both metrics so you can make an informed decision about your two-wheeler.

Dry Weight Meaning in Bikes

Dry weight in bikes refers to the factory-installed weight. Since the bike is devoid of consumable fluids at this stage, it is completely dry. Dry weight is thus the most basic weight of a motorcycle. It remains constant.

Dry weight is an essential metric for engineers and designers. It helps evaluate a bike's acceleration, speed and handling. For riders, dry weight can help compare the structural weight of different bikes.

However, it does not provide a clear picture of the bike’s usability in the real world.

Since dry weight does not include fluids, you won’t know the exact weight you will experience when riding the bike.

This is where kerb weight comes into the picture. Let’s understand kerb weight meaning in bikes.

What is the Kerb weight in Bikes?

The kerb weight meaning in a bike refers to the weight when it is fully equipped and ready to ride. It includes all the consumable fluids like engine oil, brake oil, fork oil, gear oil, coolant and petrol/gasoline. Kerb weight is also known as wet weight.

So, when manufacturers mention kerb weight, they tell you the total weight you need to manage while riding. You can compare motorcycles in terms of manoeuvrability and overall riding experience based on their kerb weight.

Dry Weight vs Kerb Weight

The difference between kerb weight and dry weight is summed up in the table below:

Parameter  Dry weight  Kerb/Wet Weight 
Meaning  Factory installed or basic weight of a motorcycle  The ready-to-ride weight of a motorcycle 
What is included?  Includes metal, fibre and plastic used in a motorcycle’s manufacturing  Includes the bike’s basic weight and consumable fluids like oils, coolant and fuel 
Measurement  Usually measured in a controlled environment Measured with all essential fluids in standard conditions 
Variability  Remains constant as it does not include fluids  Varies according to fluids in the bike 

Wrapping Up

Dry weight and kerb weight are essential metrics in the automobile industry. The dry weight helps determine the basic weight of a vehicle devoid of any consumables. On the other hand, the kerb weight helps you know a vehicle’s ready-to-use weight, fuel efficiency and manoeuvrability.

The kerb weight plays a more significant role in two-wheelers because it gives an idea of what you need to balance. So, when buying a motorcycle, make sure to check its kerb weight.

Lighter bikes are easy to ride and handle on congested roads, making them ideal for urban commuting. On the contrary, bikes with higher kerb weights provide more stability and are suitable for long journeys.

Also, remember to insure your precious motorcycle with a suitable bike insurance policy. Insurance for bikes ensures that you stay financially secure during unforeseen mishaps on the road. According to the Indian Motor Vehicle Act, buying third-party insurance for 2-wheeler is mandatory. However, it is advised to cover your bike with comprehensive long-term two-wheeler insurance to protect it from multiple risks like theft, accidents, natural disasters, etc. So, don’t delay and get the best bike insurance policy at Tata AIG today.

FAQS

Why kerb weight is important in a motorcycle?

Kerb weight is an essential metric since it impacts a bike’s handling, performance and fuel efficiency. It provides a comprehensive understanding of a motorcycle’s weight you have to manage while riding. Hence, kerb weight can help you compare different motorcycles in terms of manoeuvrability and overall riding experience.

What should be the ideal kerb weight of a bike?

There is no ideal kerb weight for a bike. It depends on your personal preference, travel requirements and riding style. However, lighter kerb weight is ideal for daily commuting, while heavier bikes are suitable for long-distance journeys.

Where can I find a bike’s kerb weight?

You can find a bike’s kerb weight on the manufacturer’s website or in the manual. Make sure you consider this essential metric before making a purchase decision.

What is the gross weight of a motorcycle?

The gross weight of a bike refers to its total weight, including kerb weight, cargo, accessories, the rider and the passenger. In other words, gross weight is the combined weight of the bike, the rider, the passenger and all items carried by the bike.

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