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Mercury optimax problems

Hi can you please help, my 75 optimax outboard motor beeps 4 times and goes into idle mode we have changed the alternator, checked oils and topped them up, water pump works good.

Posted by Beckie on


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ray gallant

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I would reccomend contacting the dealer .

Posted on Nov 03, 2014


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SOURCE: Yamaha outboard motor manual

You got it :

here !

Posted on Mar 20, 2009



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SOURCE: 9.8 hp mercury outboard shutting off in low idle speed.

My problem ended up being the spring on the reed valve being weak.But at the same time and while I had already had my carb broke down I took a can of carb cleaner to it and cleaned it. In order to replace the spring on reed valve you will have to buy a new one, but don't worry I only payed about $6.00 for mine. You may also look into replacing your primer bulb if you haven't already because may allowing air to build up in your gas line while you are basically idiling.Once you get the carb straightened out you may have to reajust it again. If I might be able to help you again you may contact me at [email protected].

Posted on Jun 16, 2009


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SOURCE: 1999 Mercury Mariner 9.9hp outboard motor

should be on the side with a lever but could you give me more info please

Posted on Jun 27, 2009


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SOURCE: johnson 1998 175 hp motor seems to be in safe mode


Posted on Jul 13, 2009


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SOURCE: My mercury 35 hp outboard motor idle's fine but won't run

While at the river try to adjust the fuel air mixture. When you are on the water it puts the engine under a load and if that dont work then dont be afraid to bump up the idle stop screw slightly.

Posted on Aug 06, 2009

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