Dang... Look at the photo - poor the scooter.
No wonder that you could not see any big bike around Phu Quoc Island. That's definitely not a place of bikers.
Come back, get a round Hochiminh City and I can show you where all the big bike hidden.
next time I am in Vietnam, I'll ask your advice on finding a bigger bike. I have to admit, that scooter was a little small for me!
Really enjoying the pictures and the RR. Best wishes to you and safe travels.