Piston 177 cc (63.8 mm second oversize) ; Polini repair Fitted with an #85 main

Fitted with an #85 main jet and electric choke

Includes: Mounting Bracket

Material: Cast aluminum with PTFE coating

Remember to check your Crankshaft Large End Bearing for any play once the cone is removed

Eliminate throttle lag and upgrade your cockpit's durability with the NCY Billet Alloy Throttle Tube

Piston 177 cc (63.8 mm second oversize) ; Polini repair Fitted with an #85 mainSecond oversize replacement piston for the PCK2 P125 150 Stella Polini kit. Comes with rings, wrist pin, circlips. Not legal for use in California on pollution controlled vehicles. Check local laws before installing. This product is not intended for use on public roads or land.