You might have seen Kawasaki ZX line up specs and even in Ninja H2 line specs, that they have two power ratings written in it. One is power and another one is maximum power with RAM Air intake! So what is this RAM air intake and how does it increase power up to 10BHP in the same engine and the same motorcycle?
RAM Air Intakes; let’s divide it in parts, RAM Air & Intake! Intake refers to breathing of bike, the air going in combustion chamber mixed with fuel to give power to your ride. RAM Air is air, which is forced in to a moving aperture. So while the air enters in some object, which is moving very fast, creates pressure, as a lot of air continuously pass through that system.
Bike ecosystem is very different, in cars, you can fit heavy superchargers and turbochargers, which pressurises the air before going in cylinders. On the opposite side, motorcycles need to be as light as possible with greater power to weight ratio and agility. So by putting a turbocharger, you are pressurising the air, but at the same time air gets hot and thus to minimize the heat levels, you have to throw an intercooler to make air cold and denser. Think about throwing all these components on a 1000cc sports machine.
RAM Air intake is the greatest solution for weight reduction and more power from same machine.
So what’s different in RAM Air intakes? – Normally, engines are tuned in a way that when the strokes are taking place, by the momentum and engineering they suck air as much as they want and controls the air+fuel mixture to make sure the bike doesn’t stall. Like while you are idling, more gasoline will go in and less air will get sucked and in open throttle mode and high RPMs, proper air+fuel mixture will be maintained. Now that’s normal thing, but in RAM Air Intakes, things moves towards engineering and design side. Engineers find the perfect spot to put air intake where most air impact is occurred, normally it’s in the front. So when motorcycle is moving at certain speed and engine is moving at desired RPMs, the air will be rammed in the air box and will be pressurized higher than a normal naturally aspirated one, that means more air will be available for the engine to burn.
More air means more oxygen, proper mixture, good combustion, better fuel economy and greater performance. So instead of going higher side on weight and all, RAM Air intakes makes motorcycles light, reliable (lesser moving parts) & powerful!