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Discussion Starter · #1 ·
Hey guys the past couple times I have been out my boat has been getting harder to start. It is a 1985 mariner 150 I will try to start it for about 10 min, choking it ect. The fuel primer bulb is hard the motor is level ect. Once it starts it runs like a champ and the rest of the day it starts perfect. Do you have any idea what I could look into to fix this problem?
 

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Gonzo,
Had same problem with my Mariner 150 at times. Before you try to start hold the choke in for a slow count to ten, then start without choke. Worked for me, good luck.
 

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Discussion Starter · #7 ·
I will give that a try this weekend if I get out. Thanks my brother just told me the same thing. Hopefully thats the problem. Great two cold blooded things at my house now. lol shh the wife dont know im talking about her. lol
 

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My 40 Mariner requires the same "system" to start it. I usually give it a twenty count instead of 10 though.
 

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I have had v6 merc do this. i change the plugs and all is well.
 

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Discussion Starter · #10 ·
Yea originally I though it had to be the plugs I changed them and it still did it. I runs better with the new plugs but still hard to start when cold. I usually go out once a weekend and the past couple weekends its been. Worse if I miss a weekend or two.

I have had v6 merc do this. i change the plugs and all is well.
 

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YOU DEFINATELY HAVE A CHOKE PRIMER PROBLEM SHOULD NOT TAKE CHOCKING FOR TEN SECONDS OR MORE TO START. CHECK THE PRIMER CHOKE SYSTEM. I;VE HAD A LOT OF MERCS AND WHEN THAT HAPPENED IT WAS A PRIMER SYSTEM PROBLEM.
 

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Discussion Starter · #13 ·
What do I look for When I got home last night I pulled it out of the garage and hooked it up to water just to see if choking it for a 10-20 seconds would help and it did. It still dosent explain what is wrong. As long as I have had the boat hot or cold it would start right up.
 
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