1965 Yamaha U5 50cc by: tmtran73 - Feb 24, 2024 15:36:08 GMT -6 Back to Home Reply Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by tmtran73 on Feb 24, 2024 15:36:08 GMT -6 I am wondering what type of oil for transmission and what is the capacity?