You should have 5 x 2.9mm plates and 1 x 2.0mm plate. The clutch mod, as shown in the Tuning section requires the one 2.0mm plate to be replaced with an extra 2.9mm plate. This will increase the preload on the clutch pressure plate.

By the looks of it you have 5 of the thinner plates for some reason.
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If I have to take the carbs off once more...