Hey! Love that @ feature!
First, pull the starter out and check on a battery by running wires to it. It should spin up pretty quick. If not, then starter. They can be rebuilt, or you can buy a new one on Ebay for pretty cheap and they are decent.
As for the relay, don't do it without pulling the starter out and testing that first. It's not as hard as it looks. I used a mirror under the exhaust on the engine bay and had a few lights in there to make sure I could see everything, which I still couldn't. Thank Yamaha for making the top of the engine flat!
But back to the relay...
It's a pain in the rear, and you have to cut all the zip ties that go all over the engine in order to get it out. You have to unbolt the ECM from the exhaust side, so just take the whole stinking tray out. Not the small one, the big one where you have your clean out plugs. Be sure to just unscrew the door, then unscrew the kill switches, and then the drain. Lift the whole thing out and put to the side so you can work in there.
Then, you'll need someone helping you, or a lot of patience to put a wrench on the front and back and try and get it undone.
Take the ECM out and lay it on top of the engine. This is where you can take the ECM apart and see what's going on in there. Not to hard at this point really. You will need to replace it, but it all just bolts in and out.
I say it's not hard, but I do a decent amount of working under cars, so I guess my version of hard isn't the same as most.
I would recommend taking a whole Saturday to do it though.
In the picture, it's at the top right of the box, which would be the bottom right when mounted to the Wall.
I will see if I can find all the old pictures and stuff and do a write up for ya'll... Warning, I have like 20 pictures, lol
http://www.boats.net/parts/detail/yamaha/Y-6B6-81940-00-00.html
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