Cylinder Heads and Pistons

Cylinder Head Doppler ER1 50cc MBK 51 AC

Piston 38,97mm KAT3 (C oder O) 13mm pin Piaggio 4-stroke 4V

Piston 38,96mm KAT2 (B oder N) 13mm pin Piaggio 4-stroke 4V

Piston 38,95mm KAT1 (A oder M) 13mm pin Piaggio 4-stroke 4V

Piston 39mm (w/o rings) 10mm pin Peugeot 4-stroke Django / Kisbee after '19
