Evinrude Ocean Pro Problems

I have a 1993 Evinrude ocean  pro 150  that will start and run great for about 20 minutes then it just dies without any hesitation or warning. The motor will not start right away but let it sit 5 minutes and it fires up...will run about 1500  rpms no sweat but run it up to 2000 or higher and it will run 5 minutes more and die...when it dies it is just like pulling the kill switch lanyard...it does not cough or hesitate it just dies...it always starts and runs great first thing in the morning and it idles great without problem. Typically I am pulling my kids on a kneeboard about 2500 rpms when it dies or I am leaving the ramp on a fishing trip and it runs 3000 rpms for about 5 to 10 minutes then it will die.....I just replaced the power pack and voltage regulator......I have spark at all cylinders after unplugging the port side power pack connector as instructed by my shop manual.....can my key switch///stop circuit be bad????? Help please...Jeff

 

Jeff,

There were problems with the early OMC 60' looper packs. They need to be replaced in tandem with the optical timing sensor. Don't replace one without the other. The stator could be breaking down from heat. I would not bet on the key switch/stop circuit as they work or they don't. I'd say Stator or the pack/OIS combo.

Randy

 

 

Please submit whatever questions you have to IHRTechTalk@yahoo.com.  All questions and answers selected will be displayed on this page as they come in.  Note: though all boaters are welcome, priority may be given to I.H.R. members.  Randy can not be held responsible for any advice given.  Though his information and expertise is second to none, he has no control over what you do with your boat.  It is up to you to boat safely and act responsibly, and his advice is only to be used as a guidance for your high performance boat/motor of which you are the one responsible for the risks involved.

Thanks,
Mark C.

 

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