My son was given a couple of MFA .61 engines. One is new, the other slightly used. We can't find anyone who is familiar with them. Are they any good? Should he sell both and put the money toward, say, one OS engine? Any help is very appreciated.

Those were sold by Hobby-Lobby and came from the same company as their MFA Sport 500 Helicopters. They were pretty good powerful engines as I remember. They may be rebadged Chinese engines, but I don't know that for sure.

They are reliable engines. Just don't run them too lean and burn them up. Otherwise, very reliable, like an OS fp motor.

Bill

OK, great! He will just keep them and use them. Thanks

Bill, you say that like some engines just love to be run too lean. LOL just teasing heh eheh