WOW!! You guys are the experts here.. Didn't think one inch can make a difference. Thanks for the input fellas. I think the main reason is for looks and I like sitting low on the bike. I already have a mustang low profile solo seat with back rest on it. I guess i need to figure out what I want to sacrifice.
The SERK comes from the factory already lowered one inch, so when you say you want to lower it another inch that's really like lowering a standard bike two inches. That is a lot, and the bike wasn't designed for that. Others have already mentioned the loss of ride quality, and that loss will be substantial. There is also the possible clearance problems of the fender (and wiring) to tire, the adverse affect on handling and safety, etc.. In other words, it's a very bad idea.
The "tail dragger look" popularized in the magazines may look cool to some, but those bikes are rarely actually ridden for more than a short hop to the nearest bar. If you plan to ride your SERK like the touring model it is, you will be better off forgetting about lowering it any further.
JMHO - Jerry