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    97 90Hp Johnson trim tilt

    I have a 1997 90hp Johnson motor that when it is hot outside and it is in the down position I can raise it but then it won't go back down. It happened one day last year and now yesterday it did it again. I just checked it this morning and it worked fine, both up and down. My thinking is that it...
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    Shifter on 97 Crestliner with a 97 90hp Johnson

    A couple of weeks ago I had a friend show me how to press the center button on the shifter that allows you to keep the prop disengaged but the shifter set to a higher idle speed for easier starts when it is cold. Last week I took my boat out again and tried to use that feature but it would not...
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    97 Johnson 90hp won't lower

    I raised my 97 90hp Johnson motor to work on the lights on my trailer and now it won't lower back down to the run position. It acts like it is hitting a stop of some kind. I raised it to the max to give myself more room to work and now it will not go back down. I'm at a loss:(
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    Minn Kota Ulterra manual stow

    Yesterday I had to do a manual stow on my Ulterra. Does it now have to be taken to a repair shop to have the worm gear tilt bracket and the manual tilt knob bracket put back in sync? The motor and deploy feature is working fine and it was just a stupid mistake of mine that caused me to have to...
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    What year is this motor?

    Can someone tell me the year of this motor mod# J8RLET8? Thanks
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    1997 Johnson Mod: J90TSLEUA

    Just bought a different boat with a 1997 90hp Johnson and I'm looking for a service manual for it. It appears there are a couple of different manuals, one for 60 degree motor and another for 90 degree. This is my first experience with Johnson and I'm not sure what the difference is. Another...
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    2000 70hp Evinrude 4 stroke. Thoughts

    I have little boating experience and due to medical issues it had been 3 yrs since the last time I had a boat on the water. I bought my current boat a 2000 Sylvan last year and finally got it out this year. After launching I lowered the engine and made my way through the no wake zone and started...
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    2000 Sylvan 1600 Expedition DC

    I have a 2000 Sylvan 1600 Expedition DC that I purchased last fall and I want to upgrade the fish finder but I can't figure out how to run the cables from the finder to the transom. The old cables disappear into the gunnels and I can't figure out how to access that area. There are enclosed side...
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    Jet unit

    Thinking about putting a jet unit on my 1989 100hp Mariner motor. The boat is a 1968 aluminum deep V Crestliner. Can you put a jet unit on just any boat or is there bottom designs that work better than others? What controls would I need in addition to the jet unit. Is there any changes or...
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    Can't be that simple

    I have been told that the only difference between a 100hp 89merc and a 115hp 89 merc is the carbs. Is that really true?
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    1989, 100 hp Mariner

    Last fall my 89, 100hp Mariner would not run at WOT. Coming back across the lake it started slowing down and would only run at 1/2 throttle or less. There was no missing or rough running and it idled fine just wouldn't run wide open. I was going to take to my mechanic only to find he has moved...
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    Boat rides to port.

    I'll try to keep this short. Bought an old boat for the trailer, after hauling the boat to the dump I realized the keel rollers were all welded and not adjustable. I put my boat on the trailer and the rollers were way off from fitting the keel of my boat? I ordered adjustable keel rollers...
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    Right prop

    I am running a 17' 1968 aluminum Crestliner deep V that I have been working on for a couple of years and have it where I can get it out and do some fishing. The motor is an 89 2 stroke 100 hp Mariner with a 13.25 X 17 prop (3 blade aluminum). It will currently run out at 30-32 mph at 4600 rpm...
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    89 100hp Mariner trim/tilt fluid

    What is the correct fluid to top off the trim/tilt for my 89 Mariner? The manual says Type A or AT transmission fluid but those designations are no longer applicable. I have looked on the site for info but I don't seem to navigate this site to well. Thanks for the help.
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    Worst Captain ever?

    Ok, I'll admit it I must be the worst Captain ever. I need some suggestions to help me load my boat at the ramp. A little background. The boat is an aluminum 17 foot 1968 Crestliner Nordic deep V that I have been working on for a couple of years. I found a trailer that had an old 70's model...
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    100 hp Mariner 1989

    Took my Crestliner to a mechanic to have this motor mounted and adjusted. When he ran it there was a small water leak from one of the bottom bolts that hold the cylinder cover where the spark plugs are. He attempted to tighten the bolt after heating it and twisted it off. He then filled the hole...
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    89 Mariner 100hp

    I have a water leak on the lower port side cyl block cover so I need to pull the cover and replace the gasket. I am sure most of the bolts will be rusty and seized. What do you recommend for getting the bolts out without breaking them? I have been thinking about heating them with a heat gun, any...
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    1989 100 HP Mariner wiring schematic

    Does anyone have a copy or know where I can get the wiring diagram for this motor? I purchased it last fall and listened to it run. After getting it home and removed from the boat it was on I noticed it looked like someone has cut a few wires. I am assuming they are to the oil and overheating...
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    Mercury XR Black Max series

    Just a curiosity thing but, can anyone tell me what the XR stands for in the Mercury XR Black Max series of motors? Thanks
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    Mariner or Johnson

    I need to replace my old 75 merc 115hp that I have on a 1968 aluminum 17' Crestliner. I have been looking at two different motors that seem to be in decent shape. One is a 1981 115 Johnson and the other a 1989 Mariner. If everything is equal what would be your choice? Also as a side note, are...
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