Couple comments on 2 different sub-threads.
The main post was fantastic, and we should all print it out, but there was one minor omission. When you remove the plug, then check the ignition by grounding the plug body and cranking, make sure this is far away from the plug hole. If fuel is actually being delivered, and the spark is present, it'll shoot a magnificent flame out the spark hole. So I've been told. In that case, the plug wouldn't ignite the misture under pressure for some reason. Without the pressure, it was one hell of a nice display.
The manual says to kill the engine with the key. I think the reason is that, if you use the kill switch, you might forget the key, and run the battery down via the headlight. I had a mis-set kill switch once, but I was right at the dealer. I went back inside for help, and it's the first thing they check.