... 68.5mmADAPTABLE TYPE single cylinder air coolingADVANTAGES High precision&heat radiation / low abrasion,noise& oil consumptionPACKAGING I pcs/box into cartonDELIVERY ... HONDA CG125 and other suitable models. d.Advantages: Good heat radiation, High precision, low abrasion/noise/oil consumption, long service life ...