Crankshaft "Pera" Vespa small frame Fabbri Racing

Crankshaft "Pera" Vespa small frame Fabbri Racing.

The Italian manufacturer Fabbri Racing presents this crankshaft type Pera, designed for engines of up to 25hp and suitable for both direct intake and crankcase intake by reeds.

The pin on the flywheel side is Ø20 mm; to install it in a PK XL type crankcase you will need to purchase the additional track 821502028022

Specifications:

• Stroke: 51
• Connecting rod: 97mm
• Taper: 20
• Piston pin: 15mm
• Flywheel side thread: Ø12
• Web: 87mm

To install it it is necessary to machine the crankcase flywheel side to Ø 88mm.

For PK S models, check the taper before purchasing.

Attention! Balancing checks must be carried out before installing in the engine, as manufacturers deny warranty for any balancing fault found after installation.