Never too old
And he did. Four years later he arrived back in London having ridden his 500cc Triumph Tiger over 100,000km through 45 countries. But wait, there's more.
In 2001, now aged seventy, he decided to do it again (!) And he did, this time taking a mere THREE years :)
I'm heading over to Barnes and Noble right now (it's directly opposite the hotel I'm staying in) to buy his book.