Ecotrons efi kit. Experiment was on cd70 engine, which went really well.
I have a really shitty YBR125 engine and also a honda 125 engine (in import). One of those will be next. Last time i was involved a small bit in the tuning process. This time i will probably do it on my own.
its hard, you waste alot of fuel to get the V.E table right. but afterwards, you have a really cheap running engine with a button for performance. It does have altitude correction, idle control and warm up factors