I can't find the darn post about a loop running rich and choke slides. So..
After reading the post it got me thinking about the Roll Off test from another post. For me, my 750 Ambo in 4th at 70mph and whack the throttle WO the bike would lose power. Roll off a bit and it would pick up. Rather disturbing while trying to pass!
Well, as mentioned in the post that I can't find, the choke slide rubber gasket was shot and not sealing.
After replacing the choke slides, it now will go WO without a problem.
Thank you for the post!!
Tom