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  1. R

    oil pump

    1981 galixy merc l6 1978 , havent started motor in 8wks last time it ran just fine no problems,today was going to go out so hooked muffs up, started motor no oil presure,ran motor about 45 seconds hoping for change,gauge started to move a very little bit but never got past 5lbs if that. while it...
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    3.0 hp question

    was looking to buy a 2000 sea pro with 3.0 merc and merc outdrive and was wandering the hp difference between 3.0 and my 250 chevy 165 hp L6. THANKS.
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    slop when shifting

    1981 galay 1978 L6 165 merc outdrive, when shifting into reverse sometimes it sounds like its in nuetral . some history, the screw that holds the throtle /shifter in place became very loose thus causing the throtle/shifter to slip into a different position . put it back almost in the same...
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    getting ready for winter

    was wandering if anyone has ever used a heating blanket to keep their inboard-outboards form freezing . i want to keep using mine a couple more months because i have catfishing tripps booked . i am in the central va area and the temp here does not get that cold . maybe high 20s and low 30s at...
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    shifting issue

    1981 galaxy, 1981 165 merc inline 6cyl, 1978, 165 mec outdrive. i attemped to set automatic choke with the hand shifter,you pull it out to disengauge gears and then you move the shifter forward all the way to engauge, well when doing this something slipped and the shifter now when in the nuetral...
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    trim motor

    1981 165 inline 6 cyl with a merc 165 outdrive , to change the oil lines from the tilt and trim motor to the outdrive , must the drive come off and if not how and where do they connect to the drive . thanks
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    cuppler question

    i have read alot of these post time and time again about couppler problems but i am so courious as to know what exactly a cuppler is and what it looks like and where is it located ,thanks
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    bellhousing issue ?

    okay let me try to explain my problem ,i do not know the correct names for the parts so here we go , its a 1978 merc 165 out drive on 1981 165 L6 250 chevy motor, the part im refering to is what the out drive bolts onto,it sticks out of the bellhousing and moves up and down and side to side...
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    merc 1978 165 outdrive,bell housing

    on the two sides of the bellhousing where the trim wires attach their are two round caps in there one on each side , is it normal to have some play in there.thanks .
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    what year is this motor ?

    standing in the boat looking at the motor on the left side of the valve cover their is a silver sticker with this number on it 5835706 sterndrive by mercury marine,also on the same side in the rear of the valve cover their is another set of numbers 5836003 by mercury marine, the motor in...
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    engine oil in my 1978 inline 6

    why should you not use a non detergent oil in this engine,if you do what will happen ?thanks
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    shorelander trailor help

    i have rollers on my trailer with the piviot arms one roller on each side of each of one piviot arm . can you change just one of the rollers if its bad or do you have to change the entire piviot arm . thanks george
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    spark plugs gap

    1981 galaxy 1978 merc inline 6cyl 250 with 165 merc outdrive , gave it a tune up the other day and it just dont have the power it had before tune up , was thinking maybe the plugs are were not gaped properly when i purchased them at advance auto, 20 years of experience as a mechanic he has...
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    trim and tilt motor repair

    thanks to the doatdoctor for giving me the heads up on the bread ties, it got my head to spinning so i used some small gage copper wire to hold the bushing in place while i put the cap on the trim motor . but while i was turning the cap to line it up one of the bushing wires broke off, that...
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    tilt and trim motor question

    1981 galaxy 165 hp L6 165 nerc outdrive, my problem is this,i took the cap off the tilt and trim motor by mistake . underneath of this cap it has two springs and two bushing that goes over the copper peice [i dont know what it is called ] that sits about 1 inch down the motor spindle. i hope...
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    tilt and trim motor removeable

    1981 galaxy with a 1978 L6 merc 165 hp and 165 merc outdrive, was wandering if the tilt and trim motor can be removed from the resovoir with out taking the entire unit off. to my knowledge i only have one tilt and trim motor back there . the motor im refering to looks like a beer can setting on...
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    tilt and trim motor question

    1981 galaxy 1978 merc L6 165hp 165 merc outdrive , i need to where to put and how to put oil in my tilt and trim unit please.i thought it was on top of my trim motor but i was wrong. a quick response would be alsome because i have a club catfishing tournament tonight and need to get on the water...
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    outdrive goes up but not down own its own

    1978merc 165 hp L6 165 outdrive , here is the problem , my outdrive will go up with a push of a button no problem,but going down it will move a very little with the switch but if you put pressure on it by hand it will go down with switch engaged.i got to looking around at the trim motor and...
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    spark plugs

    1978 L6 165 hp , was wandering if there is a difference in performance between auto spark plugs and marine spark plugs for this motor, thanks
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    engine stalls

    1978L6 165hp 165merc outdrive, runs great for a few minutes with the exception of max rpms ,at wot i use to get about 4300 to 4500 , now i only getting 4000 at wot. it will stall out and i throttle back to idle and start over and the samething happens , so i have read some of the other similar...
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