FLUID COMPENSATORS WITH VARIABLE VOLUME CHAMBER MACSI: patent pending international MALOSSI. An important discovery, another step of the technology in the improvement of the engine towards a higher specific performance and less air pollution. A clear improvement over any balancing device in fixed chamber feeding systems. Studied for applications in 2-stroke engines with laminar valve supply. ADVANTAGE Optimizes power distribution over a wide range of engine revs. Attenuates and reduces carburetion voids due to serious fuel feed problems in engine speeds. It does not need regulations, it is automatic and self-regulating. It is easy and fast to apply. Allows fuel savings by improving performance. Products reserved exclusively for competitions in the places intended for them according to the provisions of the competent sports authorities. We decline all responsibility for inappropriate use