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    1990 Johnson 90HP 2 Stroke Bogging - Help!

    Is the primer bulb getting hard? I'm wondering why you are having to continuously pump it. It wouldn't hurt to check the fuel pump diaphragm for a hole/tear as you mentioned. Are the darker plugs on the side of the engine that has the fuel pump? Check that spark jumps 3/8" as another poster...
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    10mph at WOT 99' 25hp

    We took it out today, the tilt pin was too high. With me it got up to 18.8mph... It is going to need an impeller though. The buzzer came on when I got back to the dock when it was idling for a few minutes.
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    10mph at WOT 99' 25hp

    130psi x 2.
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    10mph at WOT 99' 25hp

    He "said" he turned it off right away and afterwards it cooled down it ran fine and was pumping. The next trip is when it was really slow and the alarm went off when he got back to the boat ramp. He said it was pumping fine. I did the above checks on it Monday, it's pumping fine but on muffs...
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    10mph at WOT 99' 25hp

    I can't believe that I left out the most important piece of information, I guess I was really tired. He got an overheat alarm at idle the two trips prior to this happening? Can a head gasket leak water when compression is good?
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    What is necessary for jet change of .002 of an inch?

    It's pulls up as .052", could you could drill a smaller one out? Edit: Here's a clip of someone hand drilling one:
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    10mph at WOT 99' 25hp

    Working in my friends boat and I'm stumped. He has a Carlolina Skiff J16 and was getting 18mph by himself at about 4500-4700 rpm. I believe the pitch is too high,13p. But it got up on plane etc... Boat will only hit 10mph now with just him. It doesn't bog, chug, or sputter. It's smooth, it's...
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    1995 Yamaha 115 prop shaft replacement,

    I got the carrier out but the bearing on the back of it stayed in along with the prop shaft and reverse gear, they won't pull out. Any suggestions? Thanks.
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    Yamaha 99 idling bad - what's wrong

    Dod you mess with the float height/check float height before reassembling? I literally just had to take my friend's 25hp carb back apart after doing a rebuild kit (flooding, primer bulb not getting hard). Float was too high, runs like a top now!
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    1995 Yamaha 115 prop shaft replacement,

    Can I use a long jaw puller to get the carrier/spool out. I can't find any specific videos for the year. Is the prop shaft pressed into the spool? Thanks.
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    99' Johnson 25HP won't idle

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    99' Johnson 25HP won't idle

    2cyl, J25EEED. Diaphragm replaced/fuel pump kit done along with carb kit. Spark jumps 7/16-3/8". Can't find compression tester. Impeller fairly new, pump's great.
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    99' Johnson 25HP won't idle

    Friend's boat died last trip, towed him in with mine. It was flooding, primer bulb wouldn't get hard. Did carb rebuild kit and primer bulb is good now. Took out today, adjusted mixture screw at ramp, baseline is 2 & 1/2 turns from seated. Found the sweet spot about 1/8 to 1/4 turn...
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    Getting water on top of fuel tank.

    Please move if in wrong section... I just bought a 1995 Key West 1900 DC. It has a 60 gallon poly tank and the fuel gauge goes out intermittently. I noticed that there was a small puddle of water on the tank when inspecting. I soaked it up with a towel and the gauge started working again. One...
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    1999 Johnson 25 Water Pump

    We got it pumping. The copper water tube wasn't connected leg side (he just bought the boat). We're gonna relace that spacer #64.
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    1999 Johnson 25 Water Pump

    Helping a friend with his water pump it's not pumping water we're gonna put the lower unit in a tub spin it with a drill. Then try to book a hose up to the legside and see what happens. Also I crushed that colar between the water pump and leg one that goes around the driveshaft can anybody tell...
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    Fuel tank condensation (tank not in use)

    How much water can a fuel tank accumulate? I seem to have A LOT!! I'm doing the floor on my boat right now so I figure let me see how the tank looks.... I've been using external tanks since I bought it about 7+ years ago because it's old (78') and didn't know the history of its use. I'm willing...
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    NOS ignition parts

    Does anyone have experience with new old stock ignition parts? I'm looking at a couple of power packs and they look really old, like 20ish years or more. My first thought would be to shy away from them but I'm in this "boat" because I have a bad power pack that is just under a year old. It's an...
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    Reed question

    Any idea why it's only used on one side of each reed block? When I search ship it shows up but like I said it doesn't show in diagrams.
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    Reed question

    Doing reeds on my 1986 v4 crossflow. There is a very thin narrow metal strip on only one side of each reed block that goes between the reed pedal plate and the reed stop. I'm wondering out of curiosity what it is since it's only on one side. Especially since it does not show up on any part...
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