You are rewriting history.
"The top manufacturers want to be in the premier classes."
"
Only if it is fair... is my point think you didn't get that out of my discussion. A 750 4 vs 1000 V-Twin wasn't fair cause Ducati and the Honda RC-51 dominated.. So Yamaha pulled out of WSB and AMA. Kawasaki soon followed
"The top manufacturers want to be in the premier classes."
"
Only if it is fair... is my point think you didn't get that out of my discussion. A 750 4 vs 1000 V-Twin wasn't fair cause Ducati and the Honda RC-51 dominated.. So Yamaha pulled out of WSB and AMA. Kawasaki soon followed