Flagship event by Thai Honda, the Megafest is a major festival for owners and fans of its automatic transmission motorcycles. The event combines a bike festival with a music concert, featuring custom bike competitions, booths from modification shops, and exclusive product promotions. A main draw is the lineup of concerts by popular artists, creating a day-long celebration that brings together the Honda A.T. community with high-energy entertainment.

The 2026 theme will be ‘Megafesto’ bringing the Japanese DNA into the event.