Polini Contessa 2T Big Bore Kit (72cc, Vertical); Zuma Verti 66mm If you have a late

If you have a late Rally

Elite 250 (CH250) Kymco People 150

Black sleeve length: 69"

835 x 17 x 28

Note: not compatible with GS models that have a tapered shaft

Polini Contessa 2T Big Bore Kit (72cc, Vertical); Zuma Verti 66mm If you have a latePolini has become the leader in Italian racing cylinder kits. Their entry level Contessa options are relitively easy to install, tune, and improve the performance of your scooter. This 72cc kit for the 2T Yamaha Zuma Vertical Engine is the ideal starter big bore kit for someone looking to get significant gain without excess tuning time. Don't forget to properly break in your big bore kit and add about an ounce of 2 stroke oil to your gas tanks. 50cc