The big-beast bikes here are begging to be taken for a spin, but they aren't for amateurs. Nicky has been leading Harley tours around Phuket and Phang-Nga for over a decade. Two-day itineraries tour Phang-Nga and Ranong provinces. There are Harley rentals for independent explorations too (from 4800B). You'll need a big-bike license from home.