Wow all three of those are beautiful bikes.
I raced a 4 valve GSX750 in Nov '79, very nice machine and I think it was same or similar paint job to yours.
We did have a problem with the primary drive as it failed during our annual Castrol 6hr race.
Apparently it heated up enough after 4 1/2 hours to free spin on the shaft, it was a real shame as we had a 20 minute lead on the 2nd place team and were 4th or 5th in the overall standings when she coasted into the pits a few laps before we were scheduled for the final pit stop. The GSX 1100 on the other hand was flawless and took the top 3 spots in the open class.
David
I raced a 4 valve GSX750 in Nov '79, very nice machine and I think it was same or similar paint job to yours.
We did have a problem with the primary drive as it failed during our annual Castrol 6hr race.
Apparently it heated up enough after 4 1/2 hours to free spin on the shaft, it was a real shame as we had a 20 minute lead on the 2nd place team and were 4th or 5th in the overall standings when she coasted into the pits a few laps before we were scheduled for the final pit stop. The GSX 1100 on the other hand was flawless and took the top 3 spots in the open class.
David