16
Jan
Symptoms are that the boat runs fine for 30 minutes or so. These pumps use the fuel to lubricate themselves and a blocked filter at the pump or your regular fuel filter will cause this to happen.
Then dies and will not restart.
Boat runs fine then dies. Boat starts and runs fine for about 10 minutes then bogs and dies. Always stars back up but once the problem starts it keeps happening. Sometimes boat issues seem like theyll be really complicated but end up being easy to fix.
The Marine Mechanic Im going to connect you with knows all the tricks and shortcuts. One its starving for fuel. These pumps use the fuel to lubricate themselves and a blocked filter at the pump or your regular fuel filter will cause this to happen.
Makes the same or worse sound as when you first turn the key on and the pumps primes itself. Two they are in the early stages of failing. Symptoms are that the boat runs fine for 30 minutes or so.
Up on plane back down to idle back on plane back to idle no problems. Then dies and will not restart. Dies when on plane or just putting along at 1200 rpm.
It will not restart with the throttle in any position. Will not restart with carb cleaner injected into the carburetor. When the pump is not submerged in gas it will run hot.
Sometimes this will kill the pump or shorten its life. If youre lucky you can shut the boat off and let the pump cool down enough to get you going again. I ran my tank under 14 once and it shut down.
Had to get towed in. Filled the gas tank and ran fine for the rest of the day. Boat runs fine for 5 to 10 minutes.
Then it stalls and wont restart. If I wait about 20 minutes it will start and run for less than a minute and stop. Has brand new battery.
I put on a new coil. Has brand new spark plugs. After it dies it wont even crank sounds like the battery is dead.
It is a 1987 Baliner Capri. My 1976 Atomic 4 starts fine and without a choke in the summer. It runs fine throttles normal at low RPM getting to the fuel dock and pump out station works just fine at high RPM getting out of the harbor.
When I throttle back to idle after being under 34 load for a while the engine dies. Its hard to start the engine afterward. Symptoms are that the boat runs fine for 30 minutes or so.
Up on plane back down to idle back on plane back to idle no problems. Then dies and will not restart. Dies when on plane or just putting along at 1200 rpm.
It will not restart with the throttle in any position. Will not restart with carb cleaner injected into the carburetor. Why does my outboard start and runs for 1 minute then diesshuts off.
So it is running out of gas after the fuel in the bowls is used up. You will have to find out why the fuel pump is not pumping. I know you put a new one onbut the fuel pump is the issue I think.
Pump the primer bulb while it is runningyou are acting like a manual fuel pumpand see if it doesnt stay running. My boat runs fine at the house on the trailer it starts up everytime. However when I launch it it will run for about 20mins and shut off and wont fire.
It wont fire back up again until I take it out of the water it will start right back up. Its a 1986 Supra TS6M someone please help. Recentley replaced distributor and coil and new spark plugs.
Screw the parts you dont know about and RR the appropriate consumables then preform a basic systems check and tune up. Now you have a base line you can trust no guess work. The first thing of course is a manual for the engine.
30 and you can preform all the basic maintenance and tuneup procedures with confidence. Before it turns off if I push the key switch primer in it keeps running as long as I keep doing it. After it turns off I let it sit for 10 minutes and she starts right up without priming and runs fine till she dies again.
Repeat same as above. It ran fine 10 days ago but was running hot so I took the heads off and cleaned the water passages as. There could be a partial amount of fuel entering the carbs.
When you run it for 20 minutes you use up all the fuel. Then when it sits for two minutes the bowls fill up again. On each carb float bowl on the right side there is a little allen screw.
When it dies try loosening the one on the right carb. Place a bowl under the carb to catch the fuel. After some weeks use it began to die immediately when I put it in idle.
Since I could always start it again in fast idle I ignored the problem and just sailed up to the dock at lowest possible rpm and then let it die. Later it came to the point where it would die even in high rpm after a few minutes or less and also be difficult to start again. This is really an easy fix you can do yourself without having to pay a mechanic.
HERE IS PART 2 of this Mercury outboard fix. Finding the high pressure f. 97 xp 787 runs fine then just dies.
Start date Oct 23 2009. Rave valves are clean and it will turn over freely by hand with the spark plugs out. But when out on the river it will run great for about 5 min then just die like a kill switch kicked in.
Then it will start back up after about 3 min and run fine. Top Reasons Boats Fail Sputtering or losing power. In reality this problem can be caused by a variety of issues.
Everything from fouled or corroded spark plug wires to debris in the gas can cause sputtering or loss of power. The first step is to identify what the cause of the problem is. The easiest way to do this is by eliminating the.
Basically youre going to have to isolate the problem and try to figure out what is giving you this massive headache. To start and run properly your marine boat engine needs three things. Air fuel and a spark to ignite the air and fuel.
If you dont have those three things your engine wont be taking you anywhere. Your outboard may be stalling running out of fuel due to three issues. Either the lift pump has failed the boat is out of fuel or there is an air leak or blockage somewhere in the fuel lines running fuel from the tank to the engine.
There are several methods to troubleshooting a. If your Mercury outboard run then dies and you need to change your fuel filters on the 2005 Mercury the fuel filter is difficult to find. In this video I wil.
I need some help all. New boater here for inboardboat has 50 chev mercru with rochester quadrajet carb. Engine starts great dies in few seconds as if fuel starved.
Ran great on trip then parked and glitch ever sincecarb rebuilt new coilnew filter it is getting fuel as you can see it fly in when hit throttleif you try to throttle it on startup it will die and when retsart it will. Mercruiser 30 running fine and dies. Raleigh NC We have a little 18 SeaRay with a Mercruiser 30 that just did something very unusual.
This was our first time out for the season. Started fine and ran as usual. After warming up and checking things out we pulled the kids on tubes for maybe an hour.
It starts up fine initially and idles fine. When I run it in my driveway it also seems to run fine when I rev it both in neutral and in gear. However when I am in the water and the engine is under load it stalls.
Initially I can rev it a little in gear and it seems like it runs fine. However after a few minutes it stalls when I give it some gas. Your boat may operate just fine and then all of a sudden its speed drops to a crawl.
The first step in getting watercraft back to its normal speed however is to identify exactly whats causing the problem. One possible reason why boats no longer achieve appropriate speeds at full throttle is a spun prop.