Probably the crankshaft pos. sensor. I have had it too. Easy fix. Give it a good clean and use a little bit of liquid gasket. Make sure to use exactly the same number of shims.
Voltaire said about Holland: "Canaux, Canards, Canaille" Just so that things are clear: He was talking about North- and South-Holland. NOT the part of the Netherlands were I live.
You should put some wood blocks under the sump and strap the front fork so that the rear wheel is clear.
And don't forget to measure left and right swing arm to frame distances for alignment after rebuilding
Welcome to the forum! Paint codes for the V11 series are somewhat of a holy grail. MG never issued them. A good painter can scan and match your color. Good luck and if you happen to find the # please share!
Problem is that in midsommer lots of people are on vacation. But If you do it on the weekends you mention I could well be visiting Ireland for the 2nd time.