Dennis Hayes of Hayes Rotary here in Redmond has 5 or 6 of those bikes- it's 500 cc displacement, water cooled, I think 1 rotor. He says that they keep up with 750s pretty well. Only 2  or 3 of the bikes run, the rest are parts bikes. I think he wants to keep them all.
Brian Trubee
Redmond, Wa

 
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