“For competition only! Not permitted in the German StVZO zone! offers a wide range of high-performance tuningkits for 4-stroke MAXISCOOTER. Quality workmanship and maximum reliability are the result of years of research and development. They reveal their full performance in combination with a stretched Multivar variator and kit. Material: primary alloy of hardened and tempered high silicon content aluminum, barrel coated in silicon carbide in a galvanic nickel matrix and cross-polished with two passes of diamonds with very limited tolerances. – Processing: on high precision numerical control machine tools. – Piston cylinder fits with a tolerance of 0.05 mm. – Recalculated and heat exchange surfaces. Piston – Super compact 3 ring. – Material: special aluminum alloy with high silicon content, low thermal expansion with tin coating on the sliding walls. – Processing on numerical control machines. – Lightened and strengthened. – Updating of heat exchange surfaces. Piston rings – Special with 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