All the antiparasitic for your motocross BETA 4 strokes that we can have is here. As its name indicates it allows to filter the parasites of your coil. The spark is then better. However, it does not restrict your motorcycle. The choice of the anti-parasite is important. Some have gold particles for better spark conduction. Others are made of steel, the performances are then less good but also less expensive.

How to change a suppressor ? It is very simple. In most cases it is simply aimed in the high voltage cable. You just have to loosen it (counterclockwise). It happens that in some cases it is stuck. The easiest way is to cut as close as possible to the suppressor so as not to lose any length. You will only have to aim the new one.