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More tokens mean the spring rate of the fork ramps up faster- more resistance as you go through the stroke.
You have more pressure than the average rider as your system weight is higher- so you have a stronger spring, if you have one or two tokens in there you could remove them to make the spring more linear/ramp less through the stroke.
As Shanner says- tools required are a shock pump and a cassette tool. It’s pretty much the simplest job on a fork to do.
Empty all air and unscrew cap with cassette tool.