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Mercury Problems

8 posts in this topic

I got a problem with a 2002 25hp 2 cycle Mercury. It starts and runs fine at slow speeds but once I give it full throttle it will cut out when I'm cruising along. Almost like I'm letting off on the tiller but I'm not. Help!

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fuel filter...

[This message has been edited by Wave Runner (edited 09-29-2003).]

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Is the primer bulb collapsing? If it is your tank is not breathing right.

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Have you tried hitting the choke when it starts to stall? If that helps it could be the jet is too lean for the cooler weather!

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Try Too Fish
Forced Too Work!!:)

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I had similar problem with my Merc. 2 years ago and it was the fuel line leaking a little air. Like Upnorth said, check the bulb to see that it remains hard, if not it could be an air leak.

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How are the clamps on your fuel line hose. Sometimes the rubber deteriorates under the clamps and they have to be retightened. If they're the crimp style and your rubber is bad, cut them off and put on a regular hose clamp.

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Steve @ www.bakkensboatshop.com

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Very good suggestions.

Does the motor come up to full speed/RPM then die or does it just bog as soon as you give it throttle?

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you arn't using after market gas line and fittings by any chance are you?? if you are sometimes the connections just don't fit like the original factory stuff!! good luck

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