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Anybody have a photo of what wires go/connect to the two places (bolt and tapped hole) on the engine shown, off a John Deere 160?

I should have asked for those wires, and the wiring harness to be included when I bought the engine, but the seller said he “needed” them, and I didn’t think about it until I realized I would need them to connect the starter/battery/stator to the ignition switch.
A photo or two of a currently-wired engine, would be greatly appreciated!

I’m not sure why the photos uploaded as upside down. I tried uploading them upside down to see if they would show up as right-side-up, but they didn’t.

So lets start from the top.
What engine was originally in your mower ?
What wires are present ?
The starter should have 3 wires connected to it.
1) heavy power cable from the battery
2) thinner wire on the same terminal post as above that supplies power to the mower ( goes to the B terminal on the key switch )
3) thin wire with blade terminal that goes on the trigger contact of the solenoid
The last wire should show 0 volts until you turn the key to start.

The bolt passing through the engine would usually have the ground cable from the battery on it secured with a nut & lock washer ( not a nylock nut )

The original engine on my 57 was a Tecumseh 7 hp V70.

Here are the current wires on the Kawasaki engine:

Look for the following wires
1) is 12v only when the key is in the start position
It goes to the blade tang on the starter
2) one that is 12 V when the key is in the on position
This one goes to the carb solenoid.
The thick cable will need a ring terminal on it and gets connected to the battery + terminal
The battery - cable will also need a ring terminal and go on the end of the engine mounting bolt that is sticking up past the engine flange.
DO the two battery cables first.
On the battery cable on the starter should also be a thin wire that goes to the B terminal on the key switch.
This wire must be connected before 1 & 2 above as it provides the power to the mower that you will be looking for latter on.
Pull the key switch out .
On the back are tiny letters
B Battery power in
S Power to the starter trigger wire
A alternator
M magneto goes to the coils to kill the engine should be ground in the off position & open in the on position
G ground used to connect or disconnect to the M wire to control the magneto.

Unfortunately I do not have nor can access any information on a FB series kawasaki engine

Thanks!

I think that will do it.

Those photos look like some one has been in there big time.
The yellow wire appears to go from a points eliminator ( little box with one tab ) .
If this engine originally had points then that wire needs to go to the coil and also to the M terminal so it can get grounded.
The two wires in the polarized connector are not familar to me at all but pull the blower housing off & see where they go.
IF they both go to the alternator then leave them disconnected till the engine is running and check if they are AC or DC.