08 Vulcan 900 classic. On the way to work and about 15 minutes into the drive I was accelerating got to about 55 couldn’t get any more out of it. Too much throttle and it bogged down. I managed to maintain about 55 the rest of the way. After work I drove with same symptoms to a gas station and being near empty, I filled up on marine grade high octane ethanol free gas. I read on an earlier post where someone with the same/similar symptoms replaced spark plugs and that didn’t work for me. Now I’m struggling to maintain 40 mph. Even in neutral the throttle cuts out without allowing the bike to reach high rpms. Any thoughts/suggestions are greatly appreciated. I just got the bike Monday and I’m eager to get back on it.