Originally Posted by jrtens
I think Lane A powers ignition coils 1 and 3 which power the bottom plugs per the diagram on page 281 of the heavy MM.
Cylinder 3 bottom spark plug, being on the same side of the engine as both the air filter and oil tank, was impossible to see or even get my hand in there to feel. After the dreaded removal of the lower cowling I discovered the 3B plug wire dangling free. Easy problem to correct!