Getting an outboard out of storage (NEW QUESTION)

Brian N

Brian N

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I have a 9.9 Nissan outboard, 2-stroke mid 90's vintage, that I used to use on my jon boat back in Florida. It was run dry and sprayed down with anti-corrosive before it was put in storage, but that's it.

My son and I are rebuilding a 14' Mirrocraft into a fishing boat and want to get this thing fired back up for use. Aside from changing the lower drive oil and water impeller, what else should I do to get it back into running condition?
 
Get yourself some B12 Chem tool in the fuel system and let it soak for the better part of a week. Then drain it out rinse it again with B12 and put fresh fuel and give it a shot. Worst case you have to put a kit in the carb.......D........
 
I would get some Marvels or whatever you prefer in the cylinders for a day in case the rings froze up.
 
Thanks guys, will do on both counts. Is B12 Chemtool similar to Sea Foam?
 
The idea of the chemtool is to dissolve any varnish from evaporated fuel. Maybe for the tank and fuel line but sounds like you took care of the OB.

I have this rototiller that was sitting around for over a decade. Couldn't get it started. Was spraying carb cleaner to get the gunk off and sprayed air from my compressor. She fired up. I use air pressure to start it all the time now.
 
It is similiar yes, but I have found the B12 works considerably better and is much more effective than the seafoam. It comes in both spray and liquid, get both. Make sure the carbs are completly full of it and just let it sit. When you evaporate the gas from the 2 cycle fuel, it leaves behind this gooy mess of sticky crud that cloggs up everything. B12 will disolve it and break it loose allowing you to drain it out. I have done this countless times on all sorts of engines, and it has yet to ever fail, and I am talking hundreds of uses. I have started putting it in for storage also....D.........
 
All good advice but I would just try to start it
 
I would take the carb off and completely clean it. I would change any fuel filters and change the spark plugs.

Get a new fuel tank and hose, and start off with fresh fuel.
 
It was put to bed properly so nothing is required. Pull it through a couple if times, fill it up and go for it.
 
It isn't just the motor. Service the water pump right away. Be a shame to getting it running just to burn it up in a few minutes.
 
So, just for chuckles I decided to to the fuel it up and fire it up method to see what would happened. I mixed up some fuel, primed it and choked it, and it fired up in about 6 pulls. Ran it on earmuffs for a little while at idle, then shut it down and tried again, fired immediately. She's running perfectly.

Now here's the next question. I have a very strong water stream coming out, the water pump is obviously working 100%. What do you guys think, run it or change the pump anyway?
 
I'd change it. If the vanes break off it can be a pain and it's age as much as wear for rubber.
 
Replace the impeller. Cheap insurance/peace of mind. That impeller has been sitting unused and probably unlubricated, for how long?
 
So the good news is I got the impeller and drive oil changed. The bad news is that the lower drive definitely did not want to come off. I ended up having to use a rubber mallet and some shims to get it off with a lot of cussing, wrestling, and sweat. In the process, I manage to crack this...

20150731_204634_zpsli62brvh.jpg


Yes, I know, damned stupid move on my part. I was using a wooden block and mallet to try to persuade the drive off and got a bit too enthusiastic and/or frustrated...

How much of a concern is it? Should I get it welded or just leave it. I will likely put a hydrofoil on the outboard at some point soon, so I'm guessing I'll need to fix this first?
 
looks like it does not extend far so leaving it will probably be OK. Fix it if you ever decide to use the hydrofoil.
 
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