Crankshaft "Mower Evo" Vespa small frame Fabbri Racing

Crankshaft "Mower Evo" Vespa small frame Fabbri Racing.

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

The crankpin on the flywheel side is Ø20 mm. To install it in a PK XL type crankcase you will need to purchase the supplementary track 821502028022

Specifications:

• Stroke: 51
• Connecting rod: 97mm
• Taper: 20
• Piston pin: 15mm
• Flywheel side thread: Ø12
• Web: 83mm

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