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    Two yr. Head scratcher, need help

    I have been chasing an issue with my 89 Mercury mariner 150 for 2 years . It starts up and idles perfectly but when you give it throttle it stalls like it’s out of gas.it has been completely rebuilt including pistons and rings.I have taken it to small shops around here paid money nobody could...
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    89 150 mariner lost top end replaced burnt rectifier ran ok for ten minutes and then lost top again , but rectifier looks ok

    I had issues on this motor and ran a post and got a lot of help. Got sick was not able to go out and double checking to see if what I tried had worked ,appreciate all the help, I did notice I had a burnt rectifier. It melted on the hot wire coming in when all this started my temp gauge shorted...
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    Fuse blows between CDI pack , replace fuse but now engine bogs and slowly picks up speed

    Replace blown fuse but lost top end
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    Overheats no matter what I’ve done

    Hey guys I need your help again you’ve helped me so many times before I know what people would do without you guys the shop so I have around here I have no idea what is going on so I thought I would check with you guys I have a mariner 150 1989 I’ve had for years start to get an overheating...
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    Hot on one side cool on other

    I have been fighting a heating problem.once you throttle up (in the lake) engine heats up very quickly,changed complete impeller assembly and installed new thermostats and with the water muffs on the gauge don’t move,but starboard side head stays slightly warm ,but the port side top cylinder...
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    Anybody ever hear of this one?

    My 150 outboard after rebuild starts and idles great,but give it a little throttle it either sputters and dies or races up to 3000 rpms a the key must be turn d off to shut it down. I have checked all I know, don’t know what else to try
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    Please help,at my wits end

    I had a thermostat quit working in my 89 150 mariner large compression number two cylinder ran great would not idle took motor apart reboard installed new piston put back together and would not run properly first no spark jet put on new stater then would start run rough and idle out of control...
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    loss of spark after rebuild

    i have a mariner 150 1989 that ran good lost compression in no 2 cylinder. i bought a new piston had it rebored and replaced it ,but now i have no spark, ive checked all i know, checked trigger ,tests o k, removed black yellow leds still have problem, tested stater with ohm test between blue...
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    diagrams for bleeder lines on 89 mariner 150 outboard

    i need the diagram for bleeder lines for q 89 mariner 150 im rebuilding thank you if any on can help
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    Runs, great wont idle in nuetral

    my 89 150 mariner starts right up in fast idle and when shifted into gear it idles great and runs great, but when you slow down and shift into neutral it usually dies sometimes as if you turned the key off, but it will start right back up in fast idle. It will idle around in gear but when you...
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    stator A34 or A35 ?

    can anyone tell me the difference between a 398 5454 A34 stator and a 35,and will they replace each other. thank you will they both work on a 89 mariner 150?
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    adjusting the linkage

    i recently bought an 89 reinell outboard with a 4,3 cobra engine. the person i got i from had removed the linkages and got them all messed up if you set it like you would an outboard you get either forward or reverse, and if you get both it is very rough and it grinds going in i was wonder if...
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    linkage control arm???

    my son just bought a 89 reinell inboard the control arm on the motor that controls the throttle and the linkage is broken i would like to know what this is called and where to get another one thank you
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    linkage control arm????

    my son just bought an 89 rienell inboard, and the linkage arm for the throttle and transmission on the side of the motor is broken. i would like to know what its called and where would be a good place to get one.
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    correct plugs

    i have a 87 mariner 150 i would like to know what is the correct plug and if brands and cross matching matters such as auto lite champion etc thanks lonnie
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    indentification and max rpm for 150 mariner

    i have a 89 mariner 150 mag or so all my paper work says. everthing is original from the original owner and the bill of sell and all the paper work says its a 150 mag. the serial no is OB117411. and most guys i talk too around here say that they cant find that serial no or that its a plain 150...
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    gaskets for 150 mariner

    can anyone tell me where i can get a gasket kit for the power head 150 mairner
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    2 engine batteries???

    i would like to run 2 engine batteries on my boat because of the power drain night fishing with lights and aerator hooked up to still be 12 volts will this hurt anything stator, rectifer etc thanks
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    what would burn out a stator on a 87 150 marn within minutes

    i posted a couple weeks ago about idle probs with the 87 150 marn a got some good info on the problem, basicly the consensus was carb prob i rebuilt all of them followed all of the advice but it didnt help checking with an ohm meter i found the stator to be bad i changed it and it idled GREAT...
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    still having idling probs

    my 87 marnier150 mag is still having low end starting and idling probs when it starts in fast idle on high will only tach about 2000 normally it would race way up sometimes it will start and idle for a few minutes then it sounds like it loses power and will slowly die once it is started and...
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