Others will chime in with better explanations, but in a nutshell you want your suspension to be working in the middle of its travel. To accomplish this, spring rates (stiffness) are selected based on a combination of the bike and rider mass while sitting static. See articles on "Setting rider sag". Sag is a measurement of how much the suspension compresses when the weight of bike and rider are applied to the springs. OEM's select spring rates to accommodate riders' weights over a range. Typically Japanese bikes are undersprung for heavy American riders. If you are less than 170 lbs naked then your spring rates is likely fine. Other factors come into spring rates like type and skill of rider. Other means of making forks and shocks "compliant" have to do with a whole other discussion relating to the valves, pistons, shims and other parts I am not qualified to talk about. In short, I think you are making it too complicated for your current skill set...set your sag, go ride, and do some track days with coaching. It will multiply your riding skill and enjoyment exponentially.
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