Vespa PK XL Rush 125 [1988-1989] - crankshaft with pin ø 15, connecting rod 97, stroke 51 mm and rotating valve and - cone ø 20

MALOSSI crankshaft for Vespa PK XL Rush 125

The MALOSSI crankshaft is designed to drive with a rotating valve inlet. Their design ensures precise control of the movement of the connecting rod and piston and supports controlled intake via the crankshaft control. The intake phase is integrated into the inner half-crank, while the external shape of the crankshaft is retained. This creates a specially designed shape for fluid dynamics in the intake area.

Technical features

• Bolt: ø 15
• Connecting rod: 97mm
• Stroke: 51mm
• Version for rotating valve
• Cone: ø 20
• Made from reinforced aviation grade steel and vacuum cast
• Tungsten inserts serve as counterweights to support shaft stability
• Supplied with special nuts for the reinforced thread on the gearbox side

Vehicle assignment

Suitable for the Vespa PK XL Rush 125 from the entire 1988-1989 model year range.

Factual note

The product is reserved exclusively for racing in specially designated locations in accordance with the regulations of the relevant sports authorities. To ensure a professional selection, the dimensions of the bolts, connecting rods, stroke and cone must be compared with the intended engine structure.