Peugeot 103 Doppler Open I-3D Intake 318384 These are good for most

These are good for most of the large Bosch flywheels found on Puch but may fit other engines including Sachs and Tomos

That is normal and perfectly acceptable to do

7mm piston that was found in most 1979 and newer V1 engines

Custom machined plate uses Polini style clutch shoes and springs

both shown in photos

Peugeot 103 Doppler Open I-3D Intake 318384 These are good for most3d printed intake for Peugeot 103 engines. Made by the pros at Doppler to give optimal intake flow. 19mm ID and 25mm OD on the intake itself. Rubber couple will accept spigot mount Dellorto PHBG carburetors. CAUTION: the material used is sensitive to clamping, it is imperative not to exceed the clamping torque (4 Nm), and not to forget to use the washers provided. In the case of incomplete sealing, give preference to the use of the joint leg, rather