HKS doesn't have any competition in the 60 hp 4-cycle aviation engines .
With the bonus of EFI you could fly almost an hour longer on 10 gallons.
This would be quitting when your ahead. It is a shame enviromentalists
call the shots on how to produce electricity.
Keep lobbying for continued production. Japanese technology sets the standard
for quality. ( Toyota and Honda ) I would hate to see China fill the void.
Carl