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    1984 90 hp slight bog during acceleration

    I have this motor running like a beast at WOT, but getting there is tricky. I've rebuilt the carbs completely with all new parts including floats. I started the tuning at 1.5 turns out and seem to have it running well, but more to go. We ski so my hole shot is essential. While accelerating...
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    1984 merc 90 hp stalling at idle

    Please excuse any mispellings I'm on my phone. I found a cherry in a barn in nh. Original owner, no salt water, kept indoors it's whole life and no salt. It sat 4 years and before that had very little use. I drained the tank and removed and cleaned the csrbs. Bottom carb was packed with...
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    1980 Merc 115 Low Compression in One Cylinder

    Engine has 3 rebuilt carbs, new water pump, new fuel pump, new plugs, and runs like champ. Has never let me down and is 100% fresh water. Did a compression test and I have 90 psi on all cylinders and 75 on one. Not good. Is this indicative of a head gasket? Looking for info on how to...
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    Mercury 40hp starter just spins- won't engage

    I have a 1982 mint merc 40 that runs great but is extremely tempermental. Yesterday the starter gear would not engage the flywheel. I would then manually turn the starter gear and get it to climb up the shaft to touch the fly wheel and then release it. I would try the key and it would work no...
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    1982 Merc 40hp long shaft- HARD STARTING BUT RUNS

    I have a new to me merc 40. The engine is clean and runs strong, but it's a b@$% to start. If I start it in my driveway on the hose it doesn't need any choke or anything, just pump the bulb and turn the key and she fires up. Once int he lake, it will crank and crank and crank and then come...
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    Motor hasn't run in years-HELP- 1979 Merc 40

    Hi- I was given a boat that has been stored in a basement for 10 years. The boat has not been started in that long. I don't have the serial number on me here but it starts with 555. Anyhow, I've removed the carb and am in process of rebuilding it. Engine has 150 psi in each cylinder...
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    4 cylinder I/O impeller? How often do they need to be changed?

    Have a Sea Ray 160. It's a 1989 with 400 hours. I changed out the fuel filter, changed the oil and filter, changed plugs, and she's a beauty. Debating weather to do the impeller. Boat has been stored for 3 years.
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    Have to pump throttle- then she takes right off??

    I have a 1987 Merc 115 running on premix. I have to pump the throttle so the fuel system gains pressure and then the boat takes right off. I ski a lot so the hole shot is way important. Here's what I've done so far- New bulb (replaced it 3 times thinking that was it) Rebuilt fuel pump New...
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    Mercury 115 - flat on it's face

    I have a 1987 Merc 115 in line 6. I've had it one month. First weekend I filled the boat up with super and drove it for about two hours and cleaned it out good. Boat ran great. Next weekend, same thing. This past weekend i went to accelerate and it won't get over a quarter throttle. I...
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    Lower unit won't slide in- Merc 115

    I replaced the impeller with no issues and went to reinstall the unit and it's going all the way in until it hits the gears on the inside. I have about 1 inch to go. I tried turning the shaft ever so slightly about 10 times to line it up and it won't go. Here's what I did- Placed in forward...
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    96 GTX bogs before and after carb rebuilds (( Jeff Walkowiak??))

    My GTX was bogging last summer but would clear up after about 15 minutes of floating around in the water and feathering the gas and shutting the engine off and turning it on. I did a pop off test and one of the carbs was leaking and wouldn't hold pressure. I rebuilt them with factory Mikuni...
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    92 seadoo SP click and buzz at selenoid

    I dug into my friend's ski and hit the starter. The electrical box was buzzing loudly and clicking. I opened the box and verified it's the selenoid clicking repeatedly when start button depressed. I cleaned all connections and they look really good. I reassembled and I checked for power...
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    '96 GTX click at starter

    When I mash the start button the ski clicks. I can't tell if it's coming from the electrical box or the starter. I know the selenoid is in that box. If I hit the starter 2-4 times it will turn over and it turns over good and strong. I mean strong! I have a brand new charged batterey...
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    '96 GTX click at starter

    When I mash the start button the ski clicks. I can't tell if it's coming from the electrical box or the starter. I know the selenoid is in that box. If I hit the starter 2-4 times it will turn over and it turns over good and strong. I mean strong! I have a brand new charged batterey...
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    SD GTX 1996 ADVICE on Purchase????

    I've got hold of a GTX. It's a 1996 with no hull damage. 75 hours on the engine. Ski starts and idles fine. New battery, cover, anchor, new fire extinguisher. I got it home and power washed it and cleaned it including running a degreaser and bilge cleaner through the hull. The ski is nice...
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    Draining trim motor???

    How do I get the fluid out of the trim motor? There's two flat head screws on it. Obviously the one at the top is the fill. Is the big one at the bottom the one to empty it?? <br /><br />By the way 1989 evinrude 40hp vro.
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    Draining trim motor???

    How do I get the fluid out of the trim motor? There's two flat head screws on it. Obviously the one at the top is the fill. Is the big one at the bottom the one to empty it?? <br /><br />By the way 1989 evinrude 40hp vro.
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    Tilt/Trim 89 Evinrude 40

    I had the tilt rebuilt about a year ago and did not use the boat until a month ago. I hit the tilt and the motor would only go up with my pushing it. I checked the fluid and it was low so I filled it with lower end gear oil (I KNOW -PLEASE DON"T MAKE FUN OF ME- it was all I had on the shelf)...
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    93 Yamaha Wave Runner 3

    Neighbor just got this ski running. They changed the battery and now when they hook up the battery the engine starts turning over as soon as you touch the battery with the hot wire.<br /><br />I haven't checked it out yet but sounds like wiring from selenoid is backwards. Anything else that...
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    Johnson 115hp 1989 starter won't engage

    I turn the key and the starter will spin but the bendix won't rise up to the fly wheel. Plenty of power going to it. Suggestions?<br /><br />I'm ready to pull it off the motor and have it rebuilt but wanted to check with the authorities first.<br /><br />Thanks all-
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