Polini Contessa Cylinder Kit 2T (72cc, 12mm Wrist Pin); Eton

Polini Contessa Cylinder Kit 2T (72cc, 12mm Wrist Pin); Eton Polini has become the leader in Italian racing cylinder kits. and Their entry level Contessa options are relitively easy to install, tune, and improve the performance of your scooter. and This 72cc kit for Minarelli-based 50cc horizontal engines with a 12mm wrist pin is the ideal starter big bore kit for someone looking to get significant gain without excess tuning time.This kit will also fit on many addtional minarelli based engines like:CPI Scooters (Various Models)Eton 50cc ModelsKeeway 50cc ModelsMaluguti (Various Models)Other 50cc 2-stroke 1PE40QMB Based Chinese ScootersDon't forget to properly break in your big bore kit and add about an ounce of 2 stroke oil to your gas tanks. and 50cc oil injectors are not meant to lubricate 72cc bores. and For break in, we recommend 200-300 mile before running your bike full throttle for any extensive length of time. and replacement wrist pin circlips can be found and here*This kit will has a 12mm wrist pin. and Please confirm your model before purchase.* *All big bore kits are non returnable and have no warranty*Not legal for use in California on pollution controlled vehicles. Check local laws before installing.