I agree with Kondo1. What are the locals using?
There will be reasons why the locals use what they use so why reinvent the wheel.
I have an ETEC and love it but I also have Downes Marine 20 mins away for my annual service. The guys there live and breathe ETEC.
Not sure I would be so keen somewhere remote. I would go an old school two banger. It maybe 20yr old technology but there is a reason they still make them