"for competition only! Not allowed in the German StVZO area! MALOSSI offers a wide range of high performance tuningkits for 4-stroke MAXISCOOTER. Quality of workmanship and maximum reliability are the result of years of research and development. They reveal their full performance in combination with a Multivar variator and elongated kit. Material: primary aluminum alloy with high content of hardened silicon, barrel with silicon carbide coating in a galvanic nickel matrix and cross-honed with two diamond passes with very limited tolerances. - Processing: on high precision numerical control machine tools. - Cylinder-piston couplings with a tolerance of 0.05 mm. - Recalculated and heat exchange surfaces. Piston - Super compact with 3 rings. - Material: special aluminum alloy with high silicon content, low thermal expansion with tin coating on the sliding walls. - Machining on numerical control machines. - Lightened and reinforced. - Updating of the heat exchange surfaces. Piston rings - Special high sliding and very high mechanical resistance. - I compression ring in nitrided and chromed steel. - II segment in special cast iron. - Three - piece oil scraper made of special chromed steel Test by German scooter magazine Scooter% 26amp