When did the Canadian motocross nationals start?

Shortest F1 driver? What is Danica Patrick's bra size? Do f1 race cars have 8 cylinders? Who has the most podium finishes in 2012 formula one racing? I race dirt bikes and 1 mo. ago I broke both my arms and had surgery on my right arm and had a plate in it I got it out and I need a good workout that can get my grip and forearm built up? How identify 2stroke or 4stroke? What number is Kevin Harvick? What does MFER mean? How do you tighten the suspension on an 2008 trx700xx? How many races has Bill Elliott won during his Nascar Cup career? What is a Racing cars protective frame called? Why do formula 1 tires explode? Will a derailleur work on a go kart? When some drivers are caught in a situation where they have no control they can become frustrated which can lead to .? Which is bigger the Brickyard 400 or the Daytona 500? What is the name for the logo that is a circle of red blue and orange? Is kimi raikkonen in dirt 3? What teams and drivers are on the Indy 500 entry list? Piaggio fly 125cc scooter will go how fast? What are the formula One theme tune keyboard notes?