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80's Mercruiser 4.3 V6 Alpha one 262 Old Cold start need help

Chadbud

Member
Hi Guys! Just joined the forums and happy to be here :)

So I just inherited the family boat. It's a Four Winns Horizon 190 Cuddy, original engine had the shortblock rebuilt back around 1985-87 just a year after it was purchased new. Anyway, I grew up on the thing and we actually had it out on the water running about 2.5 years ago.

However, the boat wasn't cared for properly at the marina we had it docked at.. They weren't changing the oil or doing any maintenance work on it at all. Even though we were paying them a few thousand dollars a year to do so :mad:. It had sat on it's trailer in the marina's lot for about a whole year. When we took it out the following season it kept stalling on us. So, we took it to a mechanic who said it looked like the engine hadn't been serviced in 5 years.. said the oil was very dark and tar-like and thats how we discovered that the marina wasn't doing maintenance. The engine did turn over and start for the mechanic then, but he said it sounded pretty bad. So, we took the boat home and it sat in our backyard for about another year..

My father is retiring and said the boat can become my project if I want it. So, I'd like to get it running properly again. First I would like to try starting the engine to see if it can at least idle.

Here is a list of what I plan to do in order from start to finish:
1.Replace battery (Nothing happens when I turn key so I think it's dead)
2. Drain out old oil and check for water mixed in. (I could use a source for how to change engine oil and filter if you guys have one)
3. Drain old gas out? Replace with fresh gas
4. Replace all spark plugs
5. Spray fogging oil into cylinders?
5. Attempt to start the engine (with hose and ear muffs hooked up of course).

What do you think? Is there anything else I'm missing before I try to get this thing started? If it runs decently well once I start it.. I plan to remove the outdrive and replace the impeller and exhaust bellow. Or, do you think I should play it safe and replace the Impeller before I even make my first attempt at starting it.

Here is a link to a short photo album of the boat: http://imgur.com/a/2cGnw

I'm only 24 and have basic knowledge of motors and car engines.. I think I can learn quickly enough to get this all done myself but I definitely need your guys advice and help to make sure I don't ruin this motor while trying to cold/old start it.

THANKS!!! :D
 
#3CLean tank thoroughly before refilling with new fuel, Replace fuel system components from tank to engine,filters,lines,pickup tube in tank,fuel/water separator,pull fuel pump & clean or replace as necessary. Clean all battery connections on cables& starter& solenoid ,grounds also. I would inspect distributor cap for corrosion,along with rotor,clean and replace as needed.#5 Iwould use marvel mystery oil in cylinders asfogging oil is a preservative not a lubricant. More than likely impeller is dry rotted by now,Buy entire kit & install before first startup.#3 again,carb.is gummed up also,might need rebuild just to idle.
 
If you need assistance on changing oil and filter.................It sounds as if you have very limited if any mechanical knowledge.

Not making any judgement but expressing my observation.

If this is so I would suggest Purchasing a similar V6 powered boat, a bit newer and already running and one you can lake test before purchase.

By the time you finish trying to resurrect this boat the cost may be the same.

Boats such as this type have no real value even if it was in the family.........You should rethink this and spend your money wisely!!


Just my opinion......
 
If you need assistance on changing oil and filter.................It sounds as if you have very limited if any mechanical knowledge.

Not making any judgement but expressing my observation.

If this is so I would suggest Purchasing a similar V6 powered boat, a bit newer and already running and one you can lake test before purchase.

By the time you finish trying to resurrect this boat the cost may be the same.

Boats such as this type have no real value even if it was in the family.........You should rethink this and spend your money wisely!!


Just my opinion......

I could not agree more. Save your money and get something newer and already running.
 
Thanks for the replys guys!

#3CLean tank thoroughly before refilling with new fuel, Replace fuel system components from tank to engine,filters,lines,pickup tube in tank,fuel/water separator,pull fuel pump & clean or replace as necessary. Clean all battery connections on cables& starter& solenoid ,grounds also. I would inspect distributor cap for corrosion,along with rotor,clean and replace as needed.#5 Iwould use marvel mystery oil in cylinders asfogging oil is a preservative not a lubricant. More than likely impeller is dry rotted by now,Buy entire kit & install before first startup.#3 again,carb.is gummed up also,might need rebuild just to idle.

I think replacing the fuel lines would definitely be a good idea. How do I determine what type of hose and where to buy it? Also, Could I remove the Outdrive before trying to start to avoid having to replace the impeller just incase there are compression issues.




@kghost

Well yeah I found a few tutorials, easy to do from what I see. You're right though, I have basic and limited mechanical knowledge of mercruisers or most boats for that matter.. But I do know that this motor has a chance of being an easy restore. My gut tells me it doesn't need all that much to get it at least functional again, maybe not perfect but I could get a few seasons out of it.

Other problem is that from what I understand I will spend a very little amount of money and time to check if this engine is worth saving, rather than just assume its junk. Also, the boat's structural integrity is in pretty good shape as well, I haven't done a core sample yet but I plan on it and I expect it will be passable.

From what I can see, unless I end up doing a full rebuild of the engine.. this is no where near as expensive as getting a new boat. Even if I have to put in the work and replace many minor issues. Every boat I find of this style/size/strength is always in the 6000-10000$ range. But again, I could be totally wrong.. just my feeling I guess.



Right now I'm only interested in cleaning it up and taking the necessary precautions and steps to try starting it and seeing if it has good compression and move on from there.
 
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