Weights

Im currently running 12 gr weights in my 450 and this is the first winter since adding the machined sheave and secondary spring.while breaking paths in about 1 to 2 ft of snow the bike seems to be reving higher from the lighter weights.would changing out to 14gr weights lower the rpms ? would they seem like a little power lose and need added throttle?any suggestions?ive never experimented with the clutch mods before and i dont want to waste money ordering weights if they are no benefits.

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