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engine smokes...a lot! #12611254 02/05/18 04:08 AM
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fivebites Offline OP
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I've had my boat since the day it was born and it has ALWAYS smoked a lot more than any other boat i've ever seen. Bought it at Fun n Sun in Cleburne (1997). It's a 225 mariner. I asked about it a couple of times and Travis (at the time the mechanic) said no issue. And it hasn't been. In fact it still has the original power head and lower unit and I bet it's got 1000 + hours on it. Never had any problems. Fires right up every dang time in about 3 seconds max. Any one ever had this issue? Took it out for the first time in a couple of months to Bastrop today and it seems like it's smoking more than ever. Anyone?


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Re: engine smokes...a lot! [Re: fivebites] #12611265 02/05/18 04:12 AM
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coachallentca Offline
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to much oil?

Re: engine smokes...a lot! [Re: fivebites] #12611268 02/05/18 04:15 AM
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Chris_K Offline
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My 2001 efi that I premix smokes like crazy as well

Re: engine smokes...a lot! [Re: Chris_K] #12611301 02/05/18 04:43 AM
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Brandon Adamcik Offline
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Originally Posted By: Chris_K
My 2001 efi that I premix smokes like crazy as well

Mine too


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Re: engine smokes...a lot! [Re: fivebites] #12611312 02/05/18 04:59 AM
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pil,b Offline
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Unless it;s fowling the plugs don't worry about it

Re: engine smokes...a lot! [Re: fivebites] #12611366 02/05/18 12:22 PM
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Dr. Drop Offline
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I had a 99 merc 225 EFI.
About the same engine you got.
It got nicknamed Old Smokey.
Had over 1500 hrs. on it. Best engine I ever owned.
Worse in cold weather when you first fire it up.
Normal

Re: engine smokes...a lot! [Re: fivebites] #12611377 02/05/18 12:41 PM
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MMosher Offline
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If your plugs are good no worries, mine does the same. It would bother me if I DIDN'T see smoke.


I love the smell of two stroke in the morning.
Re: engine smokes...a lot! [Re: fivebites] #12611379 02/05/18 12:45 PM
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the skipper Offline
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My dad's yamaha smokes pretty good when it's cold but it doesn't foul plugs. It's probably better than the newer engines because it's getting the lubrication it needs

Re: engine smokes...a lot! [Re: fivebites] #12611390 02/05/18 01:09 PM
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Hog Jaw Offline
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My 200 Yammie Smokes Crazy , but at least it's be hind me .

Re: engine smokes...a lot! [Re: fivebites] #12611412 02/05/18 01:39 PM
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When an outboard sits awhile the gas in the carbs evaporates and leaves the oil sitting there. The first time you take it out that oil will mix with the fresh fuel mix and smoke more than normal. Pre mix will always smoke more than the oil injection engines unless you dont add enough oil. Let it smoke. Engine is getting its lubricant to make it last longer. After being in any one of my buddies boats with 4 strokes mine seems like a mosquito fogger for a bit.


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Re: engine smokes...a lot! [Re: fivebites] #12611415 02/05/18 01:41 PM
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Pre-mix fuel puddles behind the reed cage on those motors. When it sets for a period of time, the gas evaporates off, leaving the oil. First fire up after sitting, its burning that puddled oil. No worries, it should clear up some once you start to use it on a regular basis. If its smoking, at least you know its oiling.

Re: engine smokes...a lot! [Re: MMosher] #12611456 02/05/18 02:14 PM
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Bigron119 Offline
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Originally Posted By: MMosher
If your plugs are good no worries, mine does the same. It would bother me if I DIDN'T see smoke.



thumb

Re: engine smokes...a lot! [Re: jbobo] #12611516 02/05/18 02:47 PM
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fivebites Offline OP
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Originally Posted By: jbobo
When an outboard sits awhile the gas in the carbs evaporates and leaves the oil sitting there. The first time you take it out that oil will mix with the fresh fuel mix and smoke more than normal. Pre mix will always smoke more than the oil injection engines unless you dont add enough oil. Let it smoke. Engine is getting its lubricant to make it last longer. After being in any one of my buddies boats with 4 strokes mine seems like a mosquito fogger for a bit.


Good info!! Thanks for the simple explanation!


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Re: engine smokes...a lot! [Re: fivebites] #12611521 02/05/18 02:50 PM
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Better too much oil than not enough.

Re: engine smokes...a lot! [Re: fivebites] #12611540 02/05/18 02:56 PM
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hogbus Offline
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Same story for me except a 200 efi bought new in cleburne in1996. There are 3 check valves in the lines I replace. Residual pressure in the lines would feed oil when the engine is off. I replace them and all is back to 1996 levels. Good luck. JD


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