I have a new 2019 G23 with the 550hp XR7 (
). What needs to be done for the 25hr service after first breaking in the engine? My dealer recommended a guy who keeps flaking and wants $500 to do the work. I'm pretty sure I can do it myself, I just don't know quite what needs to be done. I've already put on 40hrs and want to get this done ASAP. Thanks!

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