Another young guy here, only 45.
First bike was a CT-70 at about 12 years old. (It sill runs and me and my kids ride it sometimes when we visit my parents)
Next was an early 70's SL-125, then an early 70's Harley-Davidson 125 "Rapido ?" that my dad bought as a basket case, rebuilt and presented to me on Christmas morning. Then the first new bike I ever bought, a '74 125 Elsinore.
I started riding on the street with my dad's Suzuki 750 "Water Buffalo" at age 16. The first street bike I bought was an early '70s XS650 which I traded in for a brand new '82 GS-550E (super little bike).
I sold the GS-550 in about '89 and have been bikeless until last year when I bought a '71 cb350 with the intent of cafe-ing it. I got talked out of that because everyone said it was in too good a shape to mess with. So I bought a CB450K7 to cafe, and the 350 in now my "semi" daily driver.
Hopefully the 450 will be finished before too long and I'll be able to share some pix with the group.
Cheers, CC