I am aware EFI means improved fuel economic climate and you can find Mercury repair shops almost everywhere, but which will be of minimal comfort when stranded twenty miles from the ramp.Also, I'm sure Mercury's four-stroke are made by Yamaha (or at the very least a great percentage of it), https://rafaelvtpkg.slypage.com/35066886/a-simple-key-for-fuel-efficient-honda-outboards-unveiled