Kohler magnum 18 stator replacment

The stator on my John Deere 317 went out and I was wondering if anybody here has replaced that before if so then tell me how to get the flywheel off and if there is anything else I should check on it.
Kohler magnum 18
Model m18
Spec 24541
Serial 2012205916

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This website might be of more help, than me trying to explain. Good luck.

http://www.kohler-engine-parts.opeengines.com/pub/TP-2204-B_M18_M20_REVISED5_93.pdf