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    fuel tank retrofit..truck plastic tank

    just wondering what everyones thoughts are on using a 1996ish plastic fuel tank on my boat as the area where my removable metal tanks is quite low. All of the plastic permanent plastic boat tanks are way too high. My boat is a 1986 16.5ft fibertech outboard 90hp. Did not know where to post this...
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    Testing a stator....7.5 merc

    the stator is disconnected from the engine. Is it a matter of testing the two wires for contunuity?
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    1970 merc 75 (7.5.hp) no spark

    picked up this little gem with no spark and finally was able to delve into her. Here is what ive found so far. My question is....will i be able to find and replace these wires or make new ones up or splice good wire to replace them onto the existing ends or is patching them the only option. As...
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    1970 75 (7.5) merc proper spark plug ?

    I am looking for the proper spark plug for this engine. My local 2 local marine shops say something different than what is said on a chart i found on this site. My serial # is 2957779 and i have thunderbolt ing. Can someone tell me which is the correct plug. thanks
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    1970 75 (7.5) merc proper spark plug ?

    Looking for proper plug to fit this engine. Every chart i look at shows a different #. This website shows QL78V. When i speak to my in town shop, both shops say L86C...im at a loss. Can someone tell me what the proper plug is. My engine serial is #2957779 and it has thunderbolt ing. Thank you
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    Merc 75 (7.5hp) year lookup not jiving

    Hello...my father recently bought a 7.5hp merc for me. The serial # is 957779 located on the silver plate on the transom bracket. Ive checked all the charts for yr. model look up and see nothing that comes close. Any help would be great. thanks
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    Question about two test props 90hp johnson/16.5ft fibertech boat

    Ive tried two different props on my 90hp johnson ..the boat is a 16.5 fibertech. The prop that came with the boat (14x17) gave me 23mph @3000rpm.....33mph @4100rpm...and 44mph @ 4900rpm trimmed. So i swapped the props and put on a 13 1/2 x 17 today and got only 35mph tops and was reving @...
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    where is my engine model # located...UPDATE

    1986 90hp johnson...wondering why i cant see my model # and serial # anywhere. Thanks in advance
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    1986 Johnson 90hp...no spark....UPDATE #2

    Hi all...i recently purchased a 1988 16.5 fibretech boat with a 1986 Johnson 90hp. The engine was overheated at one time then rebuilt professionally. I recorded 120psi all across the board..give or take 1 or 2lbs. The boat/engine was not run for 3 or 4 yrs after rebuild and now has no spark. The...
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    1977 70hp evinrude fuel milage

    i finally got my new power pack installed and have a boat on the water thanks to this forum. I went into a fast flowing river and fished for perhaps 4hrs all the time on idle as i lost my anchor on a large pile of rocks and debris. I burned 22lt. of fuel or 5 gal. just idling.....im mixed @50:1...
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    what quality oil for 1977 evinrude 70hp

    just wondering what a good quality oil is for my outboard engine....im in Canada...eh
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    DVA tester..can i use an older needle tester?

    I thought i read somewhere that if i did not have a DVA tester i could use an older needle styled meter? I cannot seem to find where i read this...sorry
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    Is this aluminum boat repairable...usable

    The fellow that has this boat claims there is no leaks....it was in a storm and i am considering either trying to repair it or using the boat as is. Could the floor be removed and dolly the dents out...them seal the seam/rivets if in fact it does leak.
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    ignition.....testing procedures 1977 70hp evinrude

    boating along....engine just quit...got towed home. Tested spark...no spark on all 3 cyl. I got onto the CDI website and it stated to check for oil coming from area near stator......sure enough a coat of light oil leaking from stator area below flywheel on engine block. I went ahead and ordered...
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    1977 evinrude stator change out.....help...questions

    Had to get towed back....did some testing and found i think i need a new stator. Just wondering if there is a "how to" somewhere on here. Just need to know whats involved before i get going on it. Do i need to time the engine after? Does the flywheel go back on the exact same position with a...
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    1977 70hp evinrude dead spot

    This 70hp (ser. # 70773/70779) starts good and goes like the dickens but when i try to throttle her up she has a dead spot before mid throttle point. It seems once i get past that dead spot she real takes off and performs just perfect. The previous owner claims the carbs were just done. If you...
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    fuel tank cleaning

    I would like to keep these older metal tanks as they are aged with the boat (1977)and would like to somehow clean them along with the pick up. The bottom of the tanks look fine really. I am having an issue with my fuel bulb going flat on me when changing tanks so one of the first things to do...
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    1977 70hp evinrude fuel line attatchment issue

    I have two older metal tanks with this boat/engine. They do not have the air vent screw on top the cap so i have to loosen the fuel cap a half turn or this engine will die. Another thing i have noticed is the fuel bulb seems like its being sucked up and not full looking but yet there is fuel in...
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    swap question....?

    will a 1992 evinrude (70hp)... (powerhead only)...swap with a 1977 of the same hp. thanks
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    50:1 but runs better with less oil....1977 evinrude 70hp

    I was having some issues with this engine with stalling at low idle etc. I then decided to try lowering the mixing ration of the oil and low and behold, she runs much better and does not bog out of the hole. Also does not stall while at idle. I have the correct plugs installed and gapped...
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