The POLINI Big Valve intake manifolds are perfectly designed for carburettors from 21-25mm. The cross section is perfectly matched and the shorter intake path pushes the power up.
The original air filter box cannot be driven any further, a foam filter should be installed instead.
The scope of delivery includes the intake manifold, diaphragm block, gaskets and small parts required for assembly.
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Intake manifold
Fits series
Scooter 50
Material
Gummi
Material 2
Aluminium
Connection type
Gummiverbindung
 
OEM numbers (for comparison purposes only)
Polini:
215.0410, 2150410, P215.0410, P2150410