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2000 Johnson 200 Ocean Pro dies after running for a while.

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cthuman

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I have a 2000 Ocean Pro 200 that starts great runs like a champ for the first hour, after that it will die as I put it in gear and try to take off. Once I can get it to go if feels like it is loaded up with gas, it will run fine back to the ramp and sit there and idle fine. Go to load the boat on the trailer and it dies. I have rebuilt the carbs and clean the idle circuits no change, I have been through the electronics it all looks good. Checked the fuel pump no problems there, I mix my gas so no VRO issues. Can anyone please help I'm not sure where to look from here. Thanks for any help you can give
 
I will try that the next time, I should add that it starts right up every time after it dies with the quick start engaging like it should. I also tested the shift interrupter switch and that checks out fine as well.Thanks
 
I was experiencing the exact same thing with my 1996 200hp Evinrude OceanPro! An Evinrude tech said a scan revealed the powerpack was shutting down one bank. He replaced the powerpack and now barely idles, shuts down if idling more than a couple of minutes, and will not turn over 3100 rpms or get up on plane. Now he's trying to diagnose a motor that running much worse than when he started! Yes, I am frustrated and not convinced it was a bad powerpack, in the first place. Hopefully, someone out there's had the same experience and resolved it.
 
I can tell you last year when I got this motor I knew it some issues however in following the CDI trouble shooting guide I checked the power pack, the stator and the timing sensor and yes I had to replace them all. It ran fine until the fourth time out this year.
 
cthuman said:
I can tell you last year when I got this motor I knew it some issues however in following the CDI trouble shooting guide I checked the power pack, the stator and the timing sensor and yes I had to replace them all. It ran fine until the fourth time out this year.
Click to expand...

So far we have only replaced the powerpack --- which made it run worse. I'm thinking of going back to the original powerpack and starting the diagnosis process over. My first thought had been overheating on one bank, but the tech swears scanning the powerpack showed it to be the problem. First time I've used this tech, but he was highly recommended, but something's not "computing." He said everything checked out but the powerpack. Hoping somebody will weigh in and help both of us!
 
Scanning the powerpack huh? On a 2000 Johnson, carbed engine. Really.

Sounds more like "scamming the owner" to me.

There is no such thing as what this "marine tech" is trying to palm off on you. So get a new tech, seriously. And let him know you are on to his crap.

So...what to do now. I suggest you take a few hours and search for everything you can find on these 90s loopers. Read here and on
I boats dot com. There is a wealth of information.

Every diagnosis process starts with compression testing (post results always). Don't give us the line "compression is fine". That won't do.
Then the proper spark quality tests, 7/16" gap jump on all cyls.
Then fuel. Good gas, healthy fuel input systems (fuel pump, primer bulb, no leaks, primer solenoid system...etc).

Read up.

Get back and post here your results of the above and then this can go forward.

Get rid of that tech.!!!
 
an unconventional idea. do you have any open plug holes in the bottom of your engine cowl pan? my old suzuki drove me nuts for a year by running perfectly for an hour and then stalling and being impossible to start until i replaced a missing cowl plug. while underway water was sucking up into the engine cowl and eventually getting sucked into the carbs.

i ask this because my 94 ocean pro has holes in the cowl pan for a power steering mount. when i bought it the plugs for those holes were missing. i replaced them!
 
daselbee said:
Scanning the powerpack huh? On a 2000 Johnson, carbed engine. Really.

Sounds more like "scamming the owner" to me.

There is no such thing as what this "marine tech" is trying to palm off on you. So get a new tech, seriously. And let him know you are on to his crap.

So...what to do now. I suggest you take a few hours and search for everything you can find on these 90s loopers. Read here and on
I boats dot com. There is a wealth of information.

Every diagnosis process starts with compression testing (post results always). Don't give us the line "compression is fine". That won't do.
Then the proper spark quality tests, 7/16" gap jump on all cyls.
Then fuel. Good gas, healthy fuel input systems (fuel pump, primer bulb, no leaks, primer solenoid system...etc).

Read up.

Get back and post here your results of the above and then this can go forward.

Get rid of that tech.!!!
Click to expand...

I hear ya! And MANY thanks to your post. I think the guy with the 2000 200 hp joins me in rally wanting to get to the bottom of this thing. The season is coming to an end far too soon.

For the record, my engine is the 1996 200 hp Evinrude, not the 2000. When the tech told me about one bank of the motor shutting down, BIG yellow flags went up knowing the engine ran great up to a certain point -- about an hour or so -- and then the power dropped to idle speed only. And even at idle speed, it didn't run rough, it just had no power. After idling a while it would "load up" and shut off completely. Once I got it started again, I could race the motor a few times to clear out the carbs and then continue idling back to the dock.

My plan is to dig into it more this week and next weekend. For what it's worth, and not disputing a possible compression issue, the previous owner had it rebuilt to the tune of almost $5,000 in 2010. I have a copy of the receipt. Will post results as we get them.
 
Not aware of any open plug holes in the bottom of the cowl pan, but will definitely check. Not planning to leave any stone unturned. Thanks for the suggestion.
 
I realize that two guys are posting on this single thread, but I also think they are dealing with very similar problems.

Also, regardless that one is a 1996 and the other is a 2000, the motors are essentially identical. The design of this engine family stabilized in 1996, and was produced by Johnson all the way thru to 2001. Evinrude stopped making them roughly in 1998.

One important thing to remember....don't latch onto the exotic, unlikely solution to your problems. Go after the simple things first. Get the basics correct, and you will more than likely find the problem.

Read up, and if you still have questions...then post them. The answer to your problems is very likely within these pages.
 
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