ITALKIT Cylinderkit (1-RING) 140 CC Aprilia RS 125 Rotax 122

Piston needle bearing NOT included

!Not for public road use !  Use at own risk !

Big bore kit 140 CC by ITALKIT.  More power, more torque.

Comes with a piston kit  56,955 mm (standard bore for the italkit 140 cc kit) and a special metal spacer to instal the power valve .

Also in this kit a complete top end gasket set and O-rings

Never use a new big bore on a worn bottom end.

Available in 1-ring and 2 ring pistons.

Advised carb setting to start for VHSB 34 mm :   main jet 160   pilot jet B40 or B36

Optimal performance with the red cylinder head from Italkit. (SKU :  CU.01.140.1)

Piston needle bearing NOT included