675 clutch issues

My race bike is a 2010 daytona and the clutch is letting me down on the take offs. I've got the clutch out and a mate that knows more than me says that the springs are a little soft but the rest of steels and fibres look ok. Is there any hints out there that will get my clutch going better for this weekend. After that I might look at a Barnett or slipper clutch...? ?

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