If you have plan to ride longer trip, check and confirm there are also enough oil and other liquids. Check the bike has needed papers and confirm you have the phone number for the owner. After that you are ready to go.
Palawan in Philippines has lots of beautiful remote beaches and it´s also good place for scuba diving. Beach in Port Barton.
Puerto Princesa area is good place for scuba diving. Whitetip reef shark in small cave.
There is possible to go snorkeling with whale sharks in Puerto Princesa. The season is usually from end of April to October.
Bohol area in Philippines is also great for motorcycling. Beautiful white sand Alone Beach.
There is possible to see rare tarsiers in Bohol.
Balicasag Island near Alona Beach is great place for scuba diving. There is possible to see lots of big sea turtles.
Phuket in Thailand is also very good place, where you can combine motorcycling and diving. The island is quite large, so motorcycle/scooter is very usefully way to go from place to another. Phuket has also many beautiful beaches around the island.
There are many diving destinations in Phuket area like Racha Yai, Racha Noi, Koh Phi Phi and Shark Point. Here is Leopard Shark in Shark Point.
Indonesia has also many interesting place to explore. One of those is Labuan Bajo in Komodo, where you can find twisty mountain roads for motorcycling and beautiful views.
Komodo is also amazing diving destination. Huge schools of fishes, lots of shark and big rays. Also manta rays.
Komodo dragons are of course also one must see in Komodo.
Using motorcycle/scooter it´s so much easier to reach many places. As a bonus you will see so much more on the trip even the scuba diving is the main focus.
Regards,
Mika
Mika