Is coolant replacement too difficult for a newbie?

I'm looking at replacing the thermo and radiator in my ZR, which of course means draining the coolant. I'm up for a challenge, and I've read it can be difficult to get it right. I've read the stickied tutorial and get the jist of it.



I've only changed the backbox and gear linkage up to now. Will it be too big of a job for someone who's never done anything like fluid replacement before? I don't want to waste money on labour costs, but I don't know anyone with K series experience.



Any thoughts welcome

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