Start with what the Daihatsu Be-go is: a car with Toyota SZ engine, from Daihatsu. What it meant takes a little longer.
The engineering
The engine is Toyota SZ engine. These are manufacturer figures carried by Wikipedia and Wikidata, not road-test measurements.
Where it sits
Its Daihatsu stablemates include the Daihatsu Applause and the Daihatsu Atrai.
The record
The open record for the Daihatsu Be-go carries no verified engine, output, weight or price yet. MotorJury does not fill gaps with guesses; this entry gives the model a home in the catalogue and grows as sourced specifications and photographs arrive. Corrections: corrections@motorjury.com.