Everyone and everything is proppin’ Facebook action these days and Motorcycle USA is no different. As long as you have an account you can follow along with us on the FB and take advantage of a constant stream of moto content, including the cool new Supercross quizzes and polls each week. Check out the newest for the San Diego Supercross round this weekend. All the questions are multiple choice. Log on to see if you’re worth your salt with SX trivia and challenge your friend (unless you stink, then just pass it along to be nice).

Here are this week’s questions:

1. Mike Bell won the first San Diego Supercross in 1980, what was he riding?

2. How many AMA Supercross races have been held in San Diego before this weekend?

3. David Vuillemin is the only first-time winner in San Diego, what year did he win?

4. Who holds the record for wins in San Diego with five career victories?

5. Which manufacturer won 10 of 11 races in San Diego from 1985 to 1996?

6. When was the last time we’ve seen three different winners in the first four Supercross races?

7. Ryan Dungey and which other rider have been in the top five at the first four stops?

8. Ryan Villopoto finished first in San Francisco. How many first place finishes does this make in his SX career?

9. Which two riders have won in San Diego in both AMA Supercross Lites and AMA Supercross classes?

10. Yamaha has the most class wins in SD. How many have they collected?