The spanner is to remove the flywheel nut.
What you guys call the "spark plug socket" is used for con rod nuts and other internal fasteners.
Please report back when you adjust the IP timing.
I am interested to know how it effects the ignition knock and noise levels.
That CERTIFICATE OF QUALITY is amazing ! only 27,000,000 engines per year get that esteemed label, you are lucky to get one. Mine did not have such a label.