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OK Guys I got a question about my 150hp 1996 Ocean Pro Evinrude.
I have been shrimping here in Mt.Pleasant SC and it requires alot of idleing and shifting in and out.
But my big problem is smoking / Exhaust after long periods.
Am I gumming up my plugs? And can I add an additive to reduce this problem.
It seems to go away after I burn it out on a plane.
Just wondering and please dont mind the spelling.
Thanks.
You are most likely not burning the fuel off of your plugs by idling around with that 150.
I know my Evinrude 70 and 150 don't like that.
What about adding a kicker and saving the hours and extra fuel using your 150 ????
What plugs are you running?
I believe OMC has an alternative plug for just your situation.
This plug is a little hotter so it will burn the excess fuel/oil at slower speeds.
You might talk to a good dealer/mechanic about the type of plug they recommend.
Me, I would buy a kicker and save from putting the hours on the main engine. You will also save a lot of fuel.
I burn 2 1/2 gallons of fuel running my kicker for 8 hours straight and of course I am not putting any hours on the main engine during this time.
In the amount of fuel you will save, this will pay for a used kicker in no time.
The plugs are champions QL78YZ's
And you are right joe about the kicker and I am in the market.
But right now my appetite for fresh jumbo shrimp (48 quarts a night)
is making me do this.
Probally best to replace them when I get done this season.
Thank You
Blake,
I had a similar problem with my 1989 Johnson 200 previously installed on my 22' Outrage. Most of my fishing is trolling. Prior to rebuilding the fuel side of my VRO in 2002, I was getting a fuel build up while idling and/or trolling. When I first got on a plane, she would sputter briefly until the excess burned off and then ran like a champ. I did not have the problem after the fuel pump rebuild. Joe's kicker suggestion can be an option. Also, check into his suggestion about an alternative plug. I used a QL77JC4 in my 200. (QL denotes suppressor plug). I believe there was another plug for my motor that was considered more for a high speed application. I would check the fuel pump to ensure you are not getting to much fuel, and check your thermostats to ensure the engine is getting hot enough to burn fuel correctly. Good luck! BTW, the shrimping here in Jacksonville, FL, had been outstanding prior to a three week period when we got rain of Biblical proportions. My son and I went twice and limited out both times (5 gallon bucket with heads on). I fixed Shrimp Creole over rice last night.
That sounds about right on the fuel pump. Mine does exactly what yours did with the fuel. And I will check out the plugs you reccomend as well it is time for new plugs anyway.
And the shrimp up here in charleston is great right now. The tides have been in our favor at night too.
Just wish I had more time.
I use QL77JC4's gapped at .030 in my XP and it will idle all day long and accelerate to WOT in an instant without a spit or sputter. Do your basic tune up checks. Check compression, for spark on all cylinders, linkNsync and recirc valves & hoses.
