A closer look at the custom Ducati S4RS salt racer by Super Rat from Bellingham, WA. The bike ran in the 1000cc A-AG class. (AG is the modified gasoline class. In the rulebooks: "Unlimited design. You cannot use Superchargers and Turbochargers. Construction shall include a majority of motorcycle engine parts. However, you can use fuel injection. GASOLINE ONLY.) The major classes are M (Modified), P (Production), MPS (Modified Partial Streamlining), or A (Special Construction) class.
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