All freebe's pretty sure they all need carb kits1977 MiniMac 6-29cc-12"sprocket nose 1/4"-64dl1986 Eager Beaver Mac 110-33cc-14" sprocket nose 1/4"-71dl early yellow handle1989 Eager Beaver Mac 110-33cc- 14" sprocket nose 3/8lp-49dl later black handle