800V1910 - Cylinder & Head 49cc - MK Series CYLINDER & HEAD 49 cc. Code: 800V1910 Reference: EQ/PI 42922 Break Down* Gaskets - Gasket Set - 940V1920 * Asso Pistons - Asso Piston 40.00 - 824V1110 * Asso Pistons - Asso Piston 40.20 - 824V1111 * Asso Pistons - Asso Piston 40.40 - 824V1112 * Asso Pistons - Asso Piston 40.60 - 824V1113 * Asso Pistons - Asso Piston 40.80 - 824V1114 * Asso Pistons - Asso Piston 41.00 - 824V1115 * Asso Pistons - Asso Piston 41.40 - 824V1116 * Asso Pistons - Asso Piston 41.60 - 824V1117