swingarm problem?

[ryan711]

I have been feeling this kinda loose feeling from the back when I get on the throttle. So I leaned the bike over on the kickstand and tried pulling my swing arm up and down and left and right and there is about a 1/4 in of play up and down. Now I dont know if this has always been this way or just noticing the play. What could it be? I dont have any grinding sound like a wore out bearing and it has no slack from left to right. Any sugguestions? Maybe just tighten it up?

Thanks sheeple