Doppler 50cc cylinder kit with ER1 cylinder suitable for air-cooled Peugeot 103 MVL, RCX, SPX, SP, Vogue, FOX and FXR and Honda Wallaroo vehicles.
The cylinder with 5 overflow channels and boost ports on the exhaust is made of aluminium and also has a low-friction Nikasil coating.
Dimensions:
The cylinder with 5 overflow channels and boost ports on the exhaust is made of aluminium and also has a low-friction Nikasil coating.
Dimensions:
- 40mm cylinder
- 39.94mm piston with a single 1mm piston ring
- offset 12mm gudgeon pin
