Insanity
Well-known member
Finally bought a Mercury 7.5 for my boat. It's a 76 model. I replaced the empeller first thing.
But can't get it to stay running. I cleaned the carb and had to replace the fuel pump. But it did the same thing it did when I first tried it. It tried to start on the second pull but died. Then got worse until it will only start in gear wide open. Runs fine wide open but when you turn the trottle down a little it dies in a few seconds like you hit the kill switch. No stubleing it just dies.
Thinking I have two problems. Something with the carb. And maybe a coil pack going bad.
Any ideas?
How does one act when the plugs are bad?
Funny how it does the same thing as it did the first time I tried to start it. And got worse.
I ran a little reg ethanol fuel just to try it.
Which rinkled the fuel pump up ( along with the gaskets till they dry. Then they lay back down flat ) wondering if it messed up the new fuel pump again. I no it's not supposed to hurt things. But you should see the gaskets for yourself. I've done lots of car carbs and two boats. But I've never seen a gasket curl up like this before. Even the fuel pump screen gasket which is cork did it.
This stupid ethanol fuel is some Hot stuff.
But can't get it to stay running. I cleaned the carb and had to replace the fuel pump. But it did the same thing it did when I first tried it. It tried to start on the second pull but died. Then got worse until it will only start in gear wide open. Runs fine wide open but when you turn the trottle down a little it dies in a few seconds like you hit the kill switch. No stubleing it just dies.
Thinking I have two problems. Something with the carb. And maybe a coil pack going bad.
Any ideas?
How does one act when the plugs are bad?
Funny how it does the same thing as it did the first time I tried to start it. And got worse.
I ran a little reg ethanol fuel just to try it.
Which rinkled the fuel pump up ( along with the gaskets till they dry. Then they lay back down flat ) wondering if it messed up the new fuel pump again. I no it's not supposed to hurt things. But you should see the gaskets for yourself. I've done lots of car carbs and two boats. But I've never seen a gasket curl up like this before. Even the fuel pump screen gasket which is cork did it.
This stupid ethanol fuel is some Hot stuff.