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    Johnson to Mercury Outboard Bolt Pattern The Same?

    Thinking of swapping out my old 1993 Johnson 88 SPL for a 1999 Mercury XR6 150. Is the bolt pattern the same on these 2 outboards? If not is a jack plate a good option to solve this? Also any opinions on the 99 150 Mercury XR6 would be appreciated. It is for my 1975 Steury 18'4" center console...
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    Johnson 88 SPL Spark Problem After Leak

    Hello to everyone in the iBoats world. I have yet another problem with my 1993 Johnson 88 SPL. I have many other posts on other issues that have since been solved, thanks to everyone here. So here is the new one. A few weeks ago after replacing the water pump I was under way and the boat...
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    1993 Johnson V4 88 SPL Lower Unit Shifting Issue

    After lots of other work to make my boat seaworthy, I am now stuck on one problem. I am having problems getting the motor to go into reverse. Here is what was done leading up to this. I dropped the LU a few months back to replace the pump as well as seals. It was after the drop and install...
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    Mercruiser Alpha 1 Trim Problem

    I just picked up a 94 Bayliner 2050 and am having issues with the trim. When I got the boat it was in the up position. When we got home we lowered it no problem, when going to raise it, it would only go up for approx 20% of the way then stop. I can go back down all the way them back up to about...
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    Johnson Float Chamber Replacment?

    I want to replace one carb float chamber on my 1993 88SPL. It is leaking after I attempted to repair it myself. The questions here are what is the part #? And will a metal one work from an older V4? If so what years? Thanks for everyone's help.
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    Yamaha wont start 25 HP Outboard

    I just bought a Yamaha 87 25 hp outboard. Compression is good, fresh fuel, cleaned carbs, pull start. 2 times when I pulled it started up revved for about a sec then died. Fuel filter looks good and is filled with fuel. The guy I got it from though the safety red lanyard could be the wrong one...
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    What year is my Yamaha 25HP Outboard?

    I just picked up a 25 HP Yamaha, does any one know the year from the serial #? Here is the info from the plate. 25 SH 6h7 s S# 003897 Thanks for everyone's time on this.
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    Johnson V4 93 88 SPL Lower Unit Having Issues

    Well on top of my other other issues which are being handled in another thread, I am having lower unit problems. Last week when cruising around, I noticed I had a hard time finding neutral. I had no issues finding reverse or forward. But I would have to play a little at time to get neutral...
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    No compression on one cylinder 93 Johnson 88 spl

    Just got back from a ride today, after I took off from the harbor my power went down. After chugging around on what felt like 3 cylinders I pulled it out of the water and did a compression test. The top left cylinder has little to no compression. It will pump air when my hand is put up to it...
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    Lots of prop venting, help!

    Well I finally got the engine running right for the first time for anyone who has fallowed my other post on low RPM. Here is the issue now. With a full load the prop gets little grip and vents bad. If im at 4500rpm and gun it, it will start to vent also. I really have to ease into it. Below...
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    How does YOUR 88 SPL Johnson 90 Perform?

    After reading for hours on this forum I would like to collect some data from YOU! What performance does your Johnson - Evinrude 88 SPL or 90hp outboard provide for YOU! Specifically the v4 cross flow OMC models. Please include the fallowing. 1.Boat size/weight 2.Hull design (flat/V) 3.Propeller...
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    Viper or Raker Propeller?

    If I am trying to correct a slight cavitation problem due to I believe outboard mounting height. Here is a quick question. What is the difference between a Raker and Viper prop? Which of the 2 will reduce my cavitation issue and provide more grip is rough seas? I usually go 15 miles min...
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    Cavitation problems now!

    Well I finally got the boat back from the shop and the Johnson 88 spl on it is running great. After noticing the motor being mounted a little low I also raised the motor 2 holes. I took her out (18' V hull CC 1200lbs dry no motor) in pretty rough seas and wind to test her. The boat had much more...
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    Motor Height Mount issue Johnson 88 SPL

    I am in the process of raising my motor a few holes from where it is now. Currently it is on the lowest mounting position (top holes). I want to go 2 holes up, my question here is this. Currently on the position it is in the top of the transom bracket rest on top of the transom. If I go up a few...
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    Johnson 88 SPL 1993 Motor Height RPM Issue

    Hey everyone, thanks for the help so far. I finally declared defeat with my low RPM issue and dropped the boat off at a local shop. I have not taken the boat out yet, I will do in the morning. Here is a quick recap. Boat will not go above 3000 RPM while under load in the water or on the dyno. I...
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    Johnson Gear Oil

    What gear oil can be used for the fallowing motors, 61 Johnson 5.5hp 93 Johnson 88spl 93 Force 40hp Thanks guys, I love this site.
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    Johnson 1961 5.5 Sea Horse Compression good?

    I just got a small 5.5 Johnson for a kicker motor. The compression is 80/84. Is this acceptable? Anyone know how fast this should push a 18'4" deep v center console weighing 1500lbs with motor. Thanks for your time.
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    CD-18 Johnson Sea Horse 5.5 oil ratio?

    Just need some quick help here. I have a 61 or so CD-18 5.5 Sea Horse Johnson outboard. What mixture should I be using for fuel? Also is this a reliable kicker motor? It seems to start easy, have not put it in the water yet. Thanks for the help.
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    1993 Johnson 88 SPL Carb Rebuild Question

    I am rebuilding my carbs on my 93 SPL 88. I noticed the main jets that fill through the needle are smaller in the kit then the original ones in the carbs. Is this something I should worry about? Which ones should I use, it is a OMC rebuild kit. Thanks for the help.
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    Force 1993 40hp water pump impeller problem

    I recently purchased a 1993 40hp Force outboard. It starts fine and looks very clean. The problem is I cannot get any water out the 2 exhaust holes. Here is what I have done. Started in the hose and muffs = nothing in a 40gal trash can with water over the water pump location = nothing Pulled...
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