Hi all, has anyone seen these big bore kits from Taiwan. It looks too good to be true. Im helping a friend with his sons unilli 50cc, (its the same engine as 01 polaris scrambler 50cc.) Cyl and piston are damaged and compression is only 30psi. Local shop wants 75 to bore and 160 for piston kit.
http://item.mobileweb.ebay.com/viewitem?itemId=330786258439&index=2&nav=SEARCH&ni d=10720650974
or
http://www.ebay.com/itm/Big-Bore-kit-70cc-47mm-for-Kasea-ETon-Aeon-Polaris-50cc-ATV-/330786258439?pt=Motorcycles_Parts_Accessories&hash =item4d0465be07&vxp=mtr