ON ANY SUNDAY!  This is interesting to say the least, but I understand why it has an almost cult-like following. Please understand the video was originally filed in 1971 and it looks like it. It's grainy and it's like watching grandpa's grainy old movies. But once you get past that there is a very good story told about the sport or motorcycle riding and racing. The Documentary is NR and perfect for any age. Caution: it starts out with kids bicycle racing. Hang in there it gets better. 

On Any Sunday is a 1971 American documentary film about motorcycle sport, directed by Bruce Brown. It was nominated for a 1972 Academy Award for Best Documentary Feature. Brown tried to show the unique talents needed for the different forms of racing. For instance, the motocross riders were typically free-spirited types, while desert racers were often loners. In Grand National racing, Brown showed widely differing personalities, such as the business-like approach to racing displayed by Mert Lawwill versus the carefree approach that David Aldana became known for.[4]

In addition to Lawwill, Steve McQueen is featured in the film, along with Malcolm Smith and many other motorcycle racers from the late 1960s and early 1970s.

Motorcycle brands featured in the film include Triumph, Montesa, Husqvarna, Harley-Davidson, Honda, Yamaha, Suzuki, BSA, CZ, Bultaco, and Hodaka.