Vespa Malossi Carburettor & Reed Valve Kit For 135cc MK1 Kit BF22-Crankshafts The RB cylinder have a

The RB cylinder have a larger reed-valve assembly with the reed-petals arranged in two rows to provide an increased inlet cross-sectional area

Material: Cast iron

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Vespa Malossi Carburettor & Reed Valve Kit For 135cc MK1 Kit BF22-Crankshafts The RB cylinder have aVespa Malossi 25mm Carburettor and Reed Valve Kit Mark 1 inlet size on cylinder and manifold = 35mm x 20mm with 65mm stud spacing. Bolts directly to Malossi 135cc MK1 Cylinder Barrel to convert to reed valve. A separate kit is available for the Malossi MK2 cylinder. Vespa 50, 90, 100, Prim ET3, PKs, PKXL Alternative Part Number: VM160692