OMG! I just had a flashback to 1971 when I saw that pic of the XS-650! I had a 1970 first-generation of that bike with the early front drum brake (six big round rubber plugs in the side of the drum!) and no compression release for starting. I was stationed in Oregon at the time, and we had a stock class for flat track racing them! Such a fun bike! Unfortunately, I hit a deer after I had only put about 85 miles on mine, so it didn't stay pristine like yours for very long! Maybe that's why it didn't bother me to take a chance racing it! Kept it until about 1981. I drove it from Portland, OR to Los Angeles to my mom's for Thanksgiving, and on that trip it vibrated the chain guard, one headlight bracket and one muffler loose. Actually, the chain guard cracked and had to be replaced. So did the headlight bracket. Still, a classic bike!