In competition RotaxThe technical regulation is extremely strict concerning the diagrams and the height of the exhaust channel. This gauge is not a "forbidden" performance accessory, but a verification tool. It makes it possible to accurately measure the height of the exhaust channel.

Whether you are moving a motor, inspecting a used cylinder or prepare the advanced technical checks, this tool allows you to confirm in a few seconds if your cylinder complies with specifications Rotax For Junior, Max and DD2 categories.