that is exactly the probem. see your bikes (do they both say 78 on the necks?)
well they have two different peg mounts.
the one with the red tank has the ones like I have (talking about the brackets that the pegs mount to not the pegs), the one with the black tank has the skinny ones which look like the one that the Omars rear set bracket I have fit. So the question is , whats the difference with those 78's? Is one an early model and one a later ? check the build date on the neck. Could be they were using 77 pegs mounts on the earlier 78F's then they changed? Either way Omars is wrong if they say the one they are selling for 78's fit them all. What do you guys think? thanks for pix kj