Yamaha Chappy 50 typ 543 2 Likes Follow Build View Build Builder: oudou vincent Updated 09/11/2013 at 04:49 PM Moped: 1977 Yamaha LB-50 Chappy 15063 Builds : Yamaha LB50 : : : : 15063 Builds Buy : Dellorto 19mm PHBG -Racing Edition Main Jet: 95 Idle Jet: 38