Myers, from Barrow-in-Furness, found fame alongside Si King 20 years ago.
The bearded pair were known for travelling around the UK and the world on their motorbikes, sampling and cooking food from different regions.
King said he "will miss him every day and the bond and friendship we shared over half a lifetime.
King wrote: "I'm afraid I bear some sad news. Most of you will know Dave has been fighting cancer for the past couple of years.