Crankshaft FABBRI RACING 'Mower' for reed valve controlled engines Vespa Smallframe PV, ET3, PK
An excellent quality shaft, mass-produced to reduce costs while maintaining excellent characteristics. Made entirely in Italy in the Fabbri Racing workshop. Ideal for engines where the traditional rotary valve intake is milled away and an intake manifold with diaphragm control is used. Also suitable for all cylinders with diaphragm control in the cylinder.
51 mm stroke
97 mm connecting rod
Bearing type 6204 on both sides
Shaft seal clutch side 27x47x6mm
87 mm cheeks (crankcase must be spindled)
40-45 % balance factor (depending on piston)
DE | €