After implementing new set of rules for pollution, all motorcycles are coming with the fuel injection system from April 2020. Some of the manufacturers like Bajaj had decided to go for electronic carbs. Though every manufacturer is aware of this e carb, they decided to switch for fuel injection system. After the implementation of fuel injection system, everyone felt different. Because, it had more sensors and everything is pre programmed. We can't modify or tune anything just like that. Today, in this post, we are going to see about some tips on how to handle your fuel injected motorbike in a right way.
At 2017 starting, BS4 were implemented. Manufacturers were searching for a way to reduce emissions. They've used a system known as Evaporative Emission Control system or EVAP system. Here, petrol vapor from the fuel tank is directly sent to the canister kit, where it is again sent into the carburetor or throttle body. By implementing this, they've achieved their emission norms. Here, the hose used for petrol vapor to travel from tank to the canister is also used for breathing of fuel tank. If air didn't enter into the fuel tank, petrol won't flow. If you full your tank, there are chances for petrol, travelling into the breather hose and fully depositing in the canister kit. If this happens, the air will be blocked and the fuel won't flow to the mixing system. This is the reason behind the line 'don't try to full your tank in a BS4 or BS6 motorbike'.
We can see peoples, after starting their bike, they rev the engine to warm it up. They forget about the presence of choke system. If choke is engaged, air supply is blocked slightly and fuel will be sent into the chamber thus making the mixture rich. But, what they do is, while the choke is engaged, they give throttle. The main intention of the choke system is to block air. If we open the throttle while using choke, it is worthless. Anyway, here in fuel injected bikes, choke system is totally eliminated. Because, everything is programmed already. If the temperature is very low, ECU makes the injector to spray more amount of fuel automatically thus sending rich mixture to the combustion chamber. But, till now, we can see many of people where they rev the engine to warm it up. All you have to do is just start your bike and to wait about 1 - 2 minutes for warming up the engine. If you try to start in very low temperature, ECU will take care of everything. Some time will be taken for the oil to getting pumped and circulating to upper part of the engine. If you rev high while starting, wear and tear will be more between the moving components which results in low engine life.
The next thing is about not to dry the fuel tank. In carb system, it doesn't require fuel pump. Fuel flows due to gravity itself. But in fuel injection system, it requires some pressure to send fuel to the injector for perfect atomization. The pump and fuel system arrangement will be present inside the tank itself. If you have less or no fuel and if you try to start the engine without fuel, the pump will operate. But, this will damage the pump. And also by doing this, dust particles will be deposited inside the injector. So make sure that you always maintain some amount of fuel in the tank when you try to crank up the motor.
In carburetors, you can tune it according to your need of mileage and performance just by adjusting volumetric and idling screws. But in fuel injection, you can't change things. As said previous, everything is preprogrammed. But manufacturers are mapping according to our environment and needs. They map the ECU for getting optimal performance and mileage. In fact, you can get better mileage in a fuel injected bike than the carbureted one. Everything here is based on pure electronics of sensors and actuators. I've seen many, where they'll adjust IAC valve which is responsible for idling. In fuel injection system, during starting, idling RPM will be slightly higher due to automatic choke system. Without knowing about this, you don't need to get your hands on IAC valve unless if there's any problem.
Try to isolate your bike from water and rain. As discussed earlier, everything inside is electronics. If water enters, there are chances for short circuits. Try to cover your bike during rainy seasons.
Try to avoid adding more accessories. In CDI ignition system, battery isn't required for the ignition system. The coil assembly and RR unit is enough for producing high intense sparks. But here, ECU controls all the ignition parameters. If you add all unwanted lightning and other accessories, it drains the battery more. Ignition and injection totally depends on the ECU. If ECU didn't get proper power supply, your riding experience will be affected.
At 2017 starting, BS4 were implemented. Manufacturers were searching for a way to reduce emissions. They've used a system known as Evaporative Emission Control system or EVAP system. Here, petrol vapor from the fuel tank is directly sent to the canister kit, where it is again sent into the carburetor or throttle body. By implementing this, they've achieved their emission norms. Here, the hose used for petrol vapor to travel from tank to the canister is also used for breathing of fuel tank. If air didn't enter into the fuel tank, petrol won't flow. If you full your tank, there are chances for petrol, travelling into the breather hose and fully depositing in the canister kit. If this happens, the air will be blocked and the fuel won't flow to the mixing system. This is the reason behind the line 'don't try to full your tank in a BS4 or BS6 motorbike'.
We can see peoples, after starting their bike, they rev the engine to warm it up. They forget about the presence of choke system. If choke is engaged, air supply is blocked slightly and fuel will be sent into the chamber thus making the mixture rich. But, what they do is, while the choke is engaged, they give throttle. The main intention of the choke system is to block air. If we open the throttle while using choke, it is worthless. Anyway, here in fuel injected bikes, choke system is totally eliminated. Because, everything is programmed already. If the temperature is very low, ECU makes the injector to spray more amount of fuel automatically thus sending rich mixture to the combustion chamber. But, till now, we can see many of people where they rev the engine to warm it up. All you have to do is just start your bike and to wait about 1 - 2 minutes for warming up the engine. If you try to start in very low temperature, ECU will take care of everything. Some time will be taken for the oil to getting pumped and circulating to upper part of the engine. If you rev high while starting, wear and tear will be more between the moving components which results in low engine life.
The next thing is about not to dry the fuel tank. In carb system, it doesn't require fuel pump. Fuel flows due to gravity itself. But in fuel injection system, it requires some pressure to send fuel to the injector for perfect atomization. The pump and fuel system arrangement will be present inside the tank itself. If you have less or no fuel and if you try to start the engine without fuel, the pump will operate. But, this will damage the pump. And also by doing this, dust particles will be deposited inside the injector. So make sure that you always maintain some amount of fuel in the tank when you try to crank up the motor.
In carburetors, you can tune it according to your need of mileage and performance just by adjusting volumetric and idling screws. But in fuel injection, you can't change things. As said previous, everything is preprogrammed. But manufacturers are mapping according to our environment and needs. They map the ECU for getting optimal performance and mileage. In fact, you can get better mileage in a fuel injected bike than the carbureted one. Everything here is based on pure electronics of sensors and actuators. I've seen many, where they'll adjust IAC valve which is responsible for idling. In fuel injection system, during starting, idling RPM will be slightly higher due to automatic choke system. Without knowing about this, you don't need to get your hands on IAC valve unless if there's any problem.
Try to isolate your bike from water and rain. As discussed earlier, everything inside is electronics. If water enters, there are chances for short circuits. Try to cover your bike during rainy seasons.
Try to avoid adding more accessories. In CDI ignition system, battery isn't required for the ignition system. The coil assembly and RR unit is enough for producing high intense sparks. But here, ECU controls all the ignition parameters. If you add all unwanted lightning and other accessories, it drains the battery more. Ignition and injection totally depends on the ECU. If ECU didn't get proper power supply, your riding experience will be affected.