I bought my 04 F7 last year. Dropped a new bulkhead, top end and clutch kit in it. Runs like a beast. Second to the last ride out, by the end of the day the clutch started to stick. I took it apart and cleaned it. Weights, rollers, everything look great. I put it back on and after about 10 minute of riding, it started to stick again. When I say "stick" I mean it doesn't completely disengage when I stop. If I let go of the brake, it starts to walk away. Any suggestions?