1998 25hp 2 stroke Mercury motor cuts out at full throttle. The cut-out happens every minute or two and lasts just a fraction of a second. It does not cut out if I drop the throttle back to 3/4. My thinking was a fuel flow issue? I’m using an old OMC 6 gal gas tank. I’m not sure if the cap on this tank needs to be loose when the motor is running? But I’ve tried it both ways and it doesn’t seem to make any difference. Also I’ve extended the fuel line to about 10’ to move the tank forward, but I’ve done this in other boats and didn’t have problems. Ive ordered new female connectors for both the motor and the tank. The connectors were old and a bit leaky so thought they might be a problem? I’m interested in feedback from anyone that has trouble-shooting experience with a similar problem, thanks.
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