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Author Topic:   Mercury not starting right.
ryanwhaler posted 08-24-2003 08:22 PM ET (US)   Profile for ryanwhaler   Send Email to ryanwhaler  
Last week when on vacation I used my 15 hp Mercury pretty much every day.

The Merc is rigged with remote throttle and steering.
One day after over two hours use I beached the boat for about 1/2 hour. When I went to start it up the motor fired on the first pull, then quit a few secants later. I pull the cord again, same thing......runs and stalls.

I then moved the control to about 1/4 throttle, and pulled a 3ed time. The motor then started and revved high, I moved the throttle back down and drove home.

The next afternoon the motor did the same thing, it has every time since I've tried to start it. I guess its not a problem I just rev it and it go's fine, but I know its not normal.

What has caused this to happen?
Is this something that should be fixed, or should I just live with it?

Thanks for the help,

Mako posted 08-25-2003 10:16 AM ET (US)     Profile for Mako  Send Email to Mako     

My bet is that the motor starts fine when it's cold. I think hot re-starts are a common problem for engines with carbs. When the carbs are hot, the fuel boils back up the line and doesn't get to the cylinder. So giving it 1/4 throttle probably remedied the situation.

I'm not sure if there is a permanent solution to this problem or if it's just one of those quirks you have to learn to live with. Maybe one of the more knowledgable gurus on this board can enlighten us?

Hope that helps.

Salmon Tub posted 08-25-2003 12:20 PM ET (US)     Profile for Salmon Tub  Send Email to Salmon Tub     
One thing that you should do, that you may have inadvertently done before, is let the engine cool down after running, a no wake zone in front of the launch will make you do this automatically. When beaching a boat, or stopping to drift fish, let the engine run at idle for two minutes, this will bring down the temperature enough under the cowel. Otherwise, you will need to choke it to restart.

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