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Carburettor vs Fuel Injected Bikes: Which One is Better?

By Finserv MARKETS - Jan 20,2020
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Carburettor vs Fuel Injected Bikes

Buying A New Bike

Buying a bike is no simple task. There are many decisions a prospective bike owner has to make in the process. There are decisions pertaining to the model and brand of the bike, what kind of bike loan one should opt for to finance their purchase etc. One such decision is related to the fueling system, that is the choice between a bike that uses a carburettor or a fuel-injected version. Let’s break down the difference between the two

Carburettor vs Fuel Injection

The discussions of a choice between a carburettor and a fuel-injected engine are relatively recent. While carburettor has been the traditional system of fuel delivery in two-wheelers, more and more bikes nowadays have the latter.

A modern carburettor can be complex, but the basic functioning of the carburettor includes a tube connected to the venturi. The device creates air pressure that creates a suction for the fuel to be drawn. How much air is sucked in? Well, that depends on the valve used at the end of the tube, connecting it to the cylinder. A fuel jet is located near the venturi and it draws fuel from the fuel tank. Why you are able to run a bike is through the combustion brought about by the resulting air-fuel mixture. We refer to this phenomenon as the Vacuum Venturi Effect.

Technology keeps evolving, and fuel delivery technology was no different. As a result, we now have the fuel-injection version on the other end. This mechanism has only been around since the 1980s, but promises to be more efficient in its usage of fuel. How does a system of fuel injection work? As the name suggests, the fuel injection sprays tinges of fuel into the combustion chamber. The fuel then travels through a small nozzle and the pressure sets in motion the ignition process. In short, the air-fuel mixture is at work in this case too, but it uses the principles of compression and ignition.

Carburettor vs Fuel Injected Bikes
There are a plethora of parameters you must be considering towards the big decision of your bike purchase – from simple specifications to fuel delivery mechanisms. In order to understand which one is a better fuel delivery system, let us closely examine the pros and cons:

Carburettors are durable and user-serviceable in comparison. So if you are the kind of biker who dilly-dallies through remote areas, carburettor-run bikes are a good pick.

Carburettors do not involve any electrical components, making them lighter in weight and easy to instal and maintain.

Carburettors are capable of producing more pollution, making them hazardous to the environment. Even when your bike is not running, the evaporation of the fuel is ongoing. On the other hand, fuel-injected mechanism saves fuel as the system is sealed and there is no way for the fuel to escape from.

Carburettors are imprecise whereas fuel-injected system boasts of precision. What does that mean? Carburettors are mechanical in operation and therefore cannot get the accurate air-fuel mixture. Fuel-injected bikes offer precision in this mixture. For you as the driver and user of the bike, it translates into better fuel efficiency and performance of the bike

On top of better value for your fuel money, fuel injection bikes are also kinder to the environment. They produce far fewer carbon-based emissions compared to their counterparts running on carburettors.

No wonder there’s a dilemma between the two fuel delivery systems among the prospective buyers. A fuel-injected mechanism can give you a better value for money in the long run but if you like to work on your own bike and venture into remote areas, the carburettor is a reliable bet. The thing with carburettors is that they seem outdated in the present context. When fuel was cheap and the emissions were unregulated, it was no problem. But now we have a much safer and eco-friendly alternative available.

Generally speaking, it is increasingly clear that fuel-injected bikes are a better option to keep the running and maintenance costs in check. Having said that, technology does come at a price. You may find that there is a price difference between the two versions. But you can now rest easy with the finances and borrow a Bajaj Finance bike loan to buy the bike of your choice!

Both the fuel delivery systems serve different needs, and irrespective of which one you choose, you can now secure a bike loan for yourself on Finserv MARKETS – it comes with an affordable 2 wheeler loan interest rate, easy cash repayment options, nominal foreclosure charges. So, finance your bike through a loan on Finserv MARKETS.


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Bajaj Finserv Direct Limited ("BFDL") is primarily engaged in distribution of financial products and services through its digital platform (“Bajaj Finserv MARKETS”) and inter alia renders services of customer acquisition, providing preliminary credit support activities, fulfilment services and post-acquisition customer services to Banks, NBFCs, HFCs. BFDL is also a registered Corporate Agent (Composite) under valid IRDAI registration number: CA0551 valid till 10-Apr-2024 for solicitation and servicing of Insurance Products. Registered Office: Bajaj Auto Limited Complex, Mumbai – Pune Road, Akurdi, Pune – 411 035 CIN: U65923PN2014PLC150522