If you've been following this then you're most probably wondering what I did about the alternator because I haven't mentioned it yet. Fact is I thought I'd be clever and that hopefully it wouldn't need to come off, I really hoped the cam chain would slip past the middle bearing carrier thing on the crank and I could slip on a new one while leaving most of the left case in situ. This didn't work out.
Turn the chain wrench thing around so you can tighten and start with the special flywheel puller tool (bolt).
I really wanted to replace the cam chain because "people in the know" know that the chain will be super slack by the time 93K is up. Here's how my original chain (bottom) compares to a brand new chain (top):