Both ways its good..... i am doing same practice with my Echo Idle 2016 Passo....
You must use
Total Quartz 9000 5w-30
Caltex Chevron 5w- 30
Shell Helix Ultrq 5w-30
My car when i imported was 13400kms on Odo so using
0w-20 Total Quartz 9000 till now at 26000kms
These oils above are SN grades.... best suited..... Total is relatively better in Price Singapore packing wala