fivetech engine with yamaha 25v head

[bob]

Hi all,

this picture was made in 1990 at Fiat test room, this engine was prep by yamaha ( i dont know why) , the guy is my friend and mecanic Alessandro Silvestri from Italcar Ricambi ( here in Brazil), he works at Fiat at this time!

The engine got 230hp and 9000rpm !

I dont know more detais like r/l or bore , ratio....




If somebody knowmore deails please let us know!

best regards

[Ev0luti0n_]

Hello! Have you tried asking your friend if he knows anything?

P.S: sou de Portugal! :)