Had this happen in Florida at bike week going down main st in 80 deg temp and sitting in line for about 45 min my clutch went , hard time power shifting and not jack rabbiting into the bike in front went back to the house and changed the resevior oil dot 3 and primed the clutch and it was back no problems crused all week and still no problems 2 months later so change your oil and you should be fine Decom