POLINI Cylinder Kit - Ø59mm Yamaha Cygnus 125

Polini Motori Ø59 aluminium cylinder kit has been designed with specific characteristics for Yamaha BW’s, Zuma and Cygnus 4 stroke scooters.

• The power increase deeply improves the performance features
• The displacement has been increased to 158,3cc
• Compression ratio is 11,1:1
• Made of die-casting aluminium with cast iron liner.

Two are the models available:

• One for Yamaha injection engine, which include the ECU and its wiring.
• One is for the Yamaha carburetor engines without ECU