74jaj

I don't usually ride it that fast I was just wondering mainly since it seemed to be running higher rpm’s at around 40mph. 

I just changed the oil and put in a new oil filter. The air filter is clean. It didn’t really help at all. Is there a chance it could be the oil pump?

So I have a honda rubicon 500 with power steering, have not had it long but I was able to get up to at least 55mph with no problems without reaching the limiter. But all of a sudden now it seems to be running much higher rpms then it used to around 40mph and now it can barley go 52 and really struggles to gain speed around the 45 and above range. any ideas on what might be happening?