R90s wiring questions

I am just finishing the wiring on the 1976 bike and have a couple of questions.
1 Starter Relay - I have lost all the photos that I took of the engine wiring and have also had to work out the changes needed from a five pin starter relay to the correct starter relay with eight pins . I have connected the following:

30. Red from the key switch
30. Red from the diode board B+
85. Blue/yellow from the start a button
86. Grey/blue from the coil, rear brake switch etc
61. Blue from the alternator light
61. Blue from the diode board D+
87. Black to the starter
87 Black ?
It is the final black connecting to 87 but I’m not sure about. I’ve traced it to a female connector in the headlight shelf which appears to be just spare . I cannot find anything on the wiring diagrams in my manuals either .
2. I also think I may have lost the the wire that connects from the Y terminal on the diode board to the Y terminal on the alternator. I have made a replacement but I am checking that this bike has this wire.
Any thoughts?

Some photos

Here is my attempt to add pics
Sorry they are 90 degree out but my ineptitude is evident here

Thanks

BillN said:

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Thank you for that sir , almost 3 yests retired and i cannot compress a photo or add one - shame on me !!!

byron said:

Thank you for that sir , almost 3 yests retired and i cannot compress a photo or add one - shame on me !!!

Click to expand...

If you need anymore photos, I have the Tank off my R90S, so I can provide them

which manual do you have - I have 2 or 3 different ones, so could have a look