Better read the bike rulebook at the SCTA site "http://www.scta-bni.org/". They specify what leathers are required, and so forth, for El Mirage & Bonneville. It is tougher than you think to go 200 at either place. Rosamond dry lake (near El Mirage) was 10% slower than Bonneville due to soft dirt. Bonneville is about 5,000 ft altitude, so you lose a lot of horsepower there, plus you get wheelspin at any speed. The SCTA site has a video of Noonan's run (the 793B video). His bike is very loosely a "street" bike as opposed to a streamliner. I believe a guy from Del Amo Suzuki in Torrance got his GSX1000 up to 201 or so a couple of years ago. I think it was turbocharged and running nitrous, but he actually rode it to work - it was a real street bike. It is a lot easier to go 200 at sea level on asphalt, and takes a lot less horsepower. Try for the 130mph club at Bonneville first , then the 150mph club, then go for it if it works out for you - look at how few cars can do 130mph each year.