The sensation of flames coming out of the exhaust of every car is named a Backfire
Fundamentally whenever you either operate rich or slim in the power swing for the burning that is not entirely burnt, it really is delivered through exhaust which clearly being hot reignites using the external air on contact producing the Backfire impact.
This is of two types:
Often extremely automobiles plus in this instance the Kawasaki H2R which may have severe levels of free circulation exhausts as soon as the diver allows get for the throttle the ECU at some point leave an extra spark to keep the vehicle in energy range while shifting gears. And so the as soon as the fatigue valves open not every one of the gas is burned and is sent of the exhaust which since becoming a totally free flow quickly ignites utilizing the external air causing flames to shoot out with a pop sound.
Some sports cars(almost all rally vehicles) have actually anything called as a ALS or Anti lag system this method, the system purposely ignites the exhaust atmosphere laden up with fuel to generate another exposing causing the turbocharger which deals with the exhaust to spool up prematurely thus decreasing the turbo lag.
Men and women frequently try to achieve backfire for thrill-seeking and fun proposes.
Now to resolve your question:
Where this flames originated from?
If you dig deeply in to the entire concept of backfire you need to realize that the backfire takes place outside the burning chamber in a choice of the induction system or even the exhaust system. The flames you notice are the ones from exhaust system as explained above.
Just how dangerous is this flames the proper care of the motorbike?
- Backfire when you look at the Induction system
When your Valve timing is not appropriate ie, if intake valves open even before the combustion is full then you can find chances that the flames might propagate up the intake and explode there which can be destructive towards engine and it is seriously harmful. This could easily destroy intake manifolds.
- Backfire in the Exhaust system
This is the more common type while the reasons are the preceding primarily no-cost flow exhaust and postpone in fatigue valve timing.This types of backfire is not harmful to the motor and does not trigger a critical concern.