My contribution. My first bike was a 1966 Yamaha 80 YG1. This is it after I bobbed the rear fender, added a J&R pipe, GYT cylinder, Pirelli MT53 tires and a fork brace. Bought it at Long Beach Triumph on PCH. Raced it a couple of times at the Elsinore TT races and found it wouldn't keep up with the 100cc bikes.
I also drag raced it a bit at Lions Drag strip in Long Beach and Irwindale. This is it in drag race trim.
When I got out of the Coast Guard, I went to work for Dale Brown Motors on Long Beach Blvd. They let me ride the "Shop" racer at Trojan Raceway in South Gate. I was hooked. Bought my second bike, a 1968 Suzuki A100 and installed the hop-up kit. Raced Elsinore, Perris, Adelanto, and South Gate a lot.