churchgsxr

I have an 02 sv650s for sale that I am trying to get running 100 percent before someone comes to look at it. It got tipped over into my wifes car and when i set it back up it wouldnt start, fire, turn over or anything. I had a buddy look at it and he said the clutch switch got screwed up. He re-connected it and i rode it home but on the way home the bike would occasionally stutter, like drop significantly in rpms but only for like a split second. It would do it anywhere from first all the way to cruising on the highway and it was just sporadically. It also may be just in my head but it seems like the bike doesnt have quite the power in the throttle like it did before the fall. Is there something needing adjusted in the clutch switch again or am i way off? If anyone could help me it would be greatly appreciated thanks so much!