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  1. M

    Replacing 95 merc 4.3 with 87 OMC 4.3

    yeah looks like you went through it with that engine
  2. M

    Replacing 95 merc 4.3 with 87 OMC 4.3

    Yes the exhaust manifolds will be replaced as I'm sure that was the root of the issue . I believe that there was a balancer difference between the years. will the coupler from either of the motors work ?
  3. M

    Replacing 95 merc 4.3 with 87 OMC 4.3

    Ok I just purchased a 95 marada with a Mercruiser 4.3. The engine has water in the oil and the guy I got it from said when he backed it in the water that engine was locked up. I'm thinking it was hydro locked. None the less, it's been a year with water in oil and possibly cylinders, I have a...
  4. M

    Johnson 55 hp year i.d.

    AHH gottcha
  5. M

    Johnson 55 hp year i.d.

    Did they make a 55hp in the 80's
  6. M

    1986 35Hp Mercury no fire

    Just an update it was the switch box Thanks for all the suggestions
  7. M

    Question on year and Idle mixture screws for XR-6

    Yeah and there supposed to have caps on them that prevent you from adjusting more then a 1/4 turn one way are the other
  8. M

    Question on year and Idle mixture screws for XR-6

    Yup that’s why I was thinking 95 because it’s dated 3 13 96 but the welsh plug in the head doesn’t have a serial number on it so I was thinking it’s a replacement power head. Still confused with the manual not having any information on idle mixture screws adjustment.
  9. M

    Question on year and Idle mixture screws for XR-6

    I got it with an issue not going over 2500 rpm's I found 1 of the switch box's was bad so I'm waiting on a new one.. but the guy that I got the boat from said his buddy turned some of the idles mixture screws so that's what got me lo ok looking into it ... also 92 ? I was thinking around 95..
  10. M

    Question on year and Idle mixture screws for XR-6

    Ok first ? can anyone tell me the year of this XR-6 engine I believe its an 1995 but just wanted to confirm.. The serial number is OD167181.. The next ? looking at the manual there's no mention of adjusting the idle mixture screws it states to set at 1 1/2 turns out +/- 1/4 turn and that they...
  11. M

    Help confirming water pump part number for my mercruiser engine.

    Going to need the drive serial number in order to confirm fitment. This water pump impeller was used on the R/MR and ALPHA ONE Sterndrive
  12. M

    Shop Tach

    Any particular brand ? I see the one at harbor freight has good reviews. But I normally don't shop harbor freight for something like this
  13. M

    Shop Tach

    I believe my engine gets 2 pulse's ( fires twice ) per revolution. That's why the tach I have needs to be divided by 2. I know there are hand held tachs that have adjustments for this I was just checking to see if anyone had any experience with any of them..
  14. M

    Shop Tach

    It's a 2 cylinder mercury 35hp
  15. M

    Shop Tach

    As far as the Tach goes the only setting is 2cycle and 4cycle
  16. M

    Shop Tach

    Sorry Tach not Tech
  17. M

    Shop Tach

    What are you guys using as a shop Tech ? I have a Bosch's FIX 7529 Digital Advance Timing Light with Tach but it shows rpm at 1300 so I'm assuming I divide that by 2 and get 650 ? was hoping to get something to take the math out of it
  18. M

    1986 35Hp Mercury no fire

    Anyone no of a way to test the switch box?
  19. M

    1986 35Hp Mercury no fire

    On both coils I'm getting 0.2 ohms across + and - side of coil and 863 ohms across primary side of coil and engine ground all are within spec's
  20. M

    1986 35Hp Mercury no fire

    I have the service manual and it helps but the cdi trouble shooting guide is a little better
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