Pertinax thermally insulated suction insert - ČZ 125/150 C Can be used: Jawa 250 type 10,11 Pérák, year 1946-7 Jawa 250 type 11 Pérák, year 1948-9 Jawa 250 type 11 Pérák, year 1950-4 Jawa 350 type 18 Pérák, year 1948-55 Jawa Ogar 350 typ 12, year 1948 ČZ 125 C year 1950-1952 ČZ 150 C year 1950-1953