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    charging question

    hi guys i have a 1989 115 hp four cylinder mercury serial number oc106992 i have the 9 amp stator with a rectifier for a charging circuit yesterday i had the boat out and the volt gauge was saying 16 volts is this really a problem being that there is no regulator on my motor and as long as...
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    dial indiacator

    where do you find a dial indicator that will srew into parkplug hole to time a merc outboard
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    115 hp merc lower unit question

    hi guys i have a 115 hp merc outboard serial number oc106992 i recently rebuilt the powerhead and was putting everything back together i went to put the shift cable back on and i tried to slide the shifter into neutral it will go into neutral but it wont stay in neutral but it will go into...
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    1989 merc burnt piston..... fuel pump,oil pump

    hi guys i have a 1989 115 hp 2+2 motor serial number oc106992 that burnt the # 2 piston up last year i have been slowly rebuilding it this winter heres what happened and what i have found since taking on this project. at this point i have the motor pretty much back together , i have been...
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    mercury gasket question

    hi guys im rebuilding a 115 hp merc the gaskets i got from mercury have a bead of sealant on them which direction would i install them or doesnt it matter as the sealant is only on one side
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    1989 115 hp rebuild

    hi guys rebuilding a 1989 115 hp merc serial number oc106992 putting the lower crankshaft end cap on ,merc manual says to coat the flange with perfect seal , what would work for this that i could get at an auto supply store ..i was thinking that indian head gasket sealer would work what you guys...
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    115 hp mercury bearing pictures

    hi guys im rebuilding a merc 115 hp outboard it is a 1989 serial number oc106992, i noticed that one of the bearing cages look worn compared to the other ones, it seems that the cages have a coating that is worn off the one what do you guys think should this be a reason to replace the bearing...
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    115 hp merc bearing

    hi guys is this bearing cracked or is it made this way it looks to be made this way this is on a 115 merc serial number oc106992 this is the top crank bearing thanks for any help in advance
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    crankcase sealant 89 115hp merc

    hi guys i am currently rebuilding a 1989 115 hp 4 cylinder mercury outboard serial number oc106992 and am wondering about what sealant to use between the two crankcase halves my seloc manual says to use loctite master gasket sealant kit c-92-12564-1 which includes loctite 518 sealant and loctite...
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    vaseline roller bearings

    hi guys im rebuilding a 1989 115hp mercury outboard serial number 0c106992 and am wondering if i can use vaseline to install the crank roller bearings thanks for any help in advance
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    1989 mercury scared piston

    hi guys i have a 1989 115 hp four cylinder outboard serial number oc106992 that i had out last weekend and scared the # 2 piston. going to tear motor down to fix but am wondering what caused this to happen to begin with, when i took off the exhaust cover all the cylinders had visable signs...
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    cannot add pictures to post

    i try to add pictures size 4.5 mb and its says file is too large whats the secret
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    stator,charging,tach issues

    hi guys i have a 1989 115 hp 4 cylinder outboard my tach wasnt working . had a mechanic check it out and was told that the stator isnt charging he said that the recitifer was working but the stator wasnt... does a stator not charging cause the tach to not work? however the motor starts and runs...
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    enricher valve help

    hi guys i have a 1989 115 hp 4 cylinder mercury outboard serial number oc106992 and i was replacing fuel lines and i took apart the enricher valve lines now i cant remember where the line goes that feeds the valve it goes to a tee should it go between the carb lines somewhere? . the other side...
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    1989 115 hp 4cylinder question

    hi guys i recently bought a 1989 115 hp 4 cylinder outboard that has a thermostat and i started it up the other day and noticed that the water coming out the pee hose was weak and at times would stop completly . as soon as the water would stop i would shut it off ,but when i would start it up...
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    1992 115 hp merc

    hi guys im lookin at buying a 1992 mercury 115 hp 4 cylinder outboard and i cant find much info on these motors does anyone know any reliablity issues with these motors or anything i should look at before buying. mercury didnt make these motors for long, dont know if that was because they had...
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    merc switchbox question

    hi guys are all mercury switchboxes the same for 3 and 6 cylinder engines ex: if i have switchboxes with numbers 7778a-1 can i use 7778a-12 from what i can find all replacement boxes are 7778a-12
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    Aq131d overheating issue

    hi guys i have a AQ131D engine and its overheating replaced impeller and am having heat exchanger tested but was wondering about exhaust manifold as i have seen on other posts that peolpe have problems with the number 4 exhaust port on there heads was wondering how this causes a overheating...
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    what shaft length do i need

    hey guys my boat has a transom height of 21 inches from top to bottom does that mean i need a 20 inch shaft motor or do i need a 25 i have a 115 mariner on boat now but dont know how to measure how long of shaft it is the serial of old motor is 6527845 is there a way of telling what shaft length...
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    1997 johnson spl outboard motor

    hi guys was wondering what you guys thought about these motors its a 1997 johnson spl outboard and it has a bad piston do you think it is worth rebuilding
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