I'm up in the air as to what a good value would be. I think $750 would be an decent price for my bike, but I am pulling that number out of the air.
The cool thing about the bike is that it's rare, and it's a nice notch in the belt. "I have a 66 Suzuki!"
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The bummer is that it's rare, and references/parts are hard to come by. "No one has an effing front fender?!!"

Got to take the bad with the good I suppose.
If you get the bike and find any good scores for info, parts, forums, etc... please let me know.