"Robert, that's not nice.
"Robert, that's not nice. Would have really suspected the coil. However, you will have to have the stator and the trigger tested.
Usually if one of those is the issue you will totally lose spark, but the trigger could be causing the loss of spark at one cylinder.
As both of these parts, although still available, are incredibly expensive, if either is the problem and you can not find a used part, I would seriously consider replacing the engine.
This is a 1987 (Force, discontinued and losing support with no dealer network anymore)model and it just wouldn't be worth throwing 500 buck in parts alone at - in my opinion..."