Why Do Two Wheelers Use Petrol Engines?

  • Author :
  • TATA AIG Team
  • Published on :
  • 30/11/2023

The popularity and demand for two-wheelers in India are always on the rise as this mode of transportation is convenient, quicker, and more affordable than other modes. As a country, India is one of the largest markets for two-wheelers.

The growth of the two-wheeler market in the country is a result of increasing urbanisation, better affordability and the growth of middle-class families. This market is expected to grow by 9% - 11% by 2028.

However, despite the rising demand, very few people are aware of using only petrol engines for two-wheelers.

In this blog, let us understand why a petrol engine for a bike is necessary and how it benefits the vehicle and the environment.

About Petrol Engine

A petrol engine, or a gasoline engine, is an internal combustion system that uses petrol as the main fuel source to power up a bike. It comprises power, compressions and other aspects to keep the engine running and enabling high performance.

Using a petrol engine allows the bike cylinder to entertain a mix of fuel and air into the system to ignite a spark within the engine cylinder, pushing the power stroke towards the piston.

Most bike manufacturers offer 2-stroke petrol engine bikes or 4-stroke petrol engine bikes. These are the most common types sold in India. Let us discuss the key differences between a 2-stroke and a 4-stroke petrol engine in bikes below.

Difference Between 2-stroke and 4-stroke Petrol Engine in Bikes

For a bike owner or potential buyer, knowing the differences between 2-stroke and 4-stroke engines is essential to make the right decision. It is important to note that the availability of two-stroke engines is deficient due to the ban from the government in 2005.

Here is a list of differences:

Features 2-Stroke Petrol Engine 4-Stroke Petrol Engine
Use-case Offers lighter and simpler strokes, weighs lighter, but is louder It offers heavier and more complex strokes, weighs 50% heavier, but is much quieter
Parts Lesser parts required for performance  Multiple complex parts are required for performance 
Maintenance Requirement Lower maintenance is required so more affordable  Higher maintenance is required, so it is more costly
Functionality  The fuel is consumed during every piston, so less efficient The fuel is consumed once in 4 strokes, so more efficient 
Lifespan They run at higher RPM, so they wear out faster and have a shorter lifespan  They run for longer durations without wear and tear 
Reliability  They are less reliable and cause more harm to the environment due to the release of burnt oil into the air They are more reliable and are also environment-friendly 

Benefits of a Petrol Engine for Your Bike

Now that you know the key differences between the two common types of petrol engines, let us focus on learning more about the benefits of a petrol engine for your bike below:

Petrol engines are more affordable and reliable, in comparison to diesel engines, given the price inflation margin of petrol and diesel in the country.

These engines are easier to manufacture and require minimal repair and maintenance, making the two-wheeler more cost-effective for individuals.

Petrol engines create less noise pollution and do not vibrate extensively during quick stops or parking mode.

They are lighter, making it easy to ride around on the road while ensuring a better scope of improved bike performance.

The availability of petrol stations is higher in comparison to diesel stations.

Petrol engines provide instant acceleration and power to the vehicle, making it a perfect fit for long and short rides.

Common Reasons Why Diesel Engines in Bikes are Uncommon

To understand why diesel engines are not popular for bikes, consider the reasons below:

The diesel engines have a higher compression ratio, indicating more pressure on the bike cylinder for movement and performance.

Diesel engines are heavier and thus add more weight to the bike, requiring strong control on the road while riding.

Diesel is more expensive, making diesel engines more costly for re-filling needs and overall repair and maintenance.

The diesel engines make more noise on the road and have higher vibrations.

Diesel engineer response rate is slower as compared to petrol engines.

Role of an Insurance Policy for Bike Engine

Besides being well-updated with the advantages of a petrol engine for a bike, knowing how to protect your bike parts from damage or loss is also necessary. The right way to ensure top-notch safety and ample financial assistance to pay for repairs and damages is through bike insurance.

With an insurance policy for a bike, the scope of coverage can be customised as per needs. From accidental damage to third-party damages and consumable expenses, you can choose what coverage you require for your bike with our comprehensive bike insurance plan.

The third-party bike insurance policy is a mandate according to the Motor Vehicle Act of 1988. However, you can easily customise a comprehensive bike insurance plan in a few quick steps.

The benefits include cover against theft, accidental damage, cover against natural calamities, personal accidents, etc.


The use of petrol engines is more common for all two-wheelers, especially bikes, as it is lightweight, more affordable, quieter and has a faster pick-up capacity. The high response rate of petrol engines makes it a perfect addition to any two-wheeler.

Moreover, the added simplicity and reduced financial burden of repair and maintenance increase the demand for bike petrol engines.

If you are a bike owner planning on a bike purchase soon, ensure you understand the key differences between petrol and diesel engines and invest in a bike insurance plan.

With our user-friendly website at Tata AIG, you can easily compare different plans for your bike and complete the purchase of 2-wheeler insurance online in just a few steps. Increase the efficiency of your bike with a petrol engine and safeguard the financial burden of repair and damage with the right insurance for bikes from us.


Are all two-wheelers only made of petrol engines?

Besides petrol engines, two-wheeler electric vehicles are also becoming slightly popular in the country. However, at present, petrol engines for bikes are dominating the market.

Why are diesel engines not common for bikes?

Diesel engines require more energy and heat to function. This puts additional pressure on the cylinder walls of a bike while straining the different parts of the engine simultaneously.

This directly impacts the performance of the bike. Therefore, diesel engines are not common for bikes or other two-wheelers.

Is there a specific petrol that should be used on bikes?

As per most bike manufacturers, using pure gasoline or petrol is the best decision. This is because pure petrol ensures increased efficiency and performance of the bike for short and long trips on the road.

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