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Quinte Fishing

Fishing Reports for the Bay of Quinte
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 Post subject: Mercury 25 HP problem
PostPosted: Sat Jun 25, 2011 5:59 am 
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Walleye
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Joined: Sat Jul 29, 2006 2:31 pm
Posts: 119
Hey everyone, I was out on the boat the other night and everything was going great till I had the boat going full throttle. After about 20 seconds and every 20 - 30 seconds after that the motor would hesitate for a sec or two and then recover. This happened every time I was at full throttle. If I backed down a bit the motor ran fine. What could it be? Fuel pump, gas line??? I did not not try to pump the primer but plan to this weekend when I am out. I am also adding fuel stabalizer to see if that could be the problem. If anyone has any insight to this problem, your advice would be much appreciated. Thanks.

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PostPosted: Sat Jun 25, 2011 6:48 am 
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Walleye Master

Joined: Tue Oct 25, 2005 10:31 am
Posts: 3058
Location: Wellington Ontario
im gonna blame it on cheap crappy gas lol.......... try running some high test and see if it changes, if the gas isnt burning fast enough at full throtle it will load up and begin to choke out on you. of course this is just a mad guess but if its running good at lower speeds might just be the problem, this ethanoul is really messing things up. could try octain boost if you already have a full tank


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PostPosted: Sat Jun 25, 2011 6:57 am 
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Walleye

Joined: Wed Nov 10, 2010 9:52 pm
Posts: 132
It could be sucking air? Look at the nozzle on the tank as well as your hose on both ends.

Josh


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PostPosted: Sat Jun 25, 2011 9:01 am 
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Walleye Master
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Joined: Tue Jan 11, 2011 6:25 pm
Posts: 1140
Location: Ontario
Very common problem with the 25 merc. Will send you a pm........

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Fishy Fishy In The Bay, Bite This Line And Make My Day....


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PostPosted: Sun Jun 26, 2011 5:40 am 
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Walleye
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Joined: Sat Jul 29, 2006 2:31 pm
Posts: 119
Thanks to all that replied, I will have the boat back in the water today or tomorrow and will let everyone know what happened.

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PostPosted: Sun Jun 26, 2011 1:13 pm 
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Walleye Angler

Joined: Fri Jan 21, 2011 7:11 pm
Posts: 235
my friend thats works on outboard said that theybuilt some that have a rev limiter and do that when at full bore


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