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  1. 6

    Install Tach 1975 85hp

    I have a 1975 85HP Merc 4cyl in which I would like to install a tach. Can i just connect the sender wire right into one of three terminals on the front of the control box? Do I need to get a certain type of tach? does it need to be a 12 pole? not sure what that means but ave seen it a lot when...
  2. 6

    No spark 115 1970 V4

    I have a 1970 V4 115hp Evinrude that is not getting spark. How can I check the coil and power pack to make sure they are working correctly?<br /><br />Thanks.
  3. 6

    V4 Water Pump Sealing

    I have a 1970 OMC 115HP V4. I have a couple of questions on the water pump. How do I seal the pump housing to the lower unit and that little plate? Can i use RTV silicone? Is there a tattletale on the motors like on the mercurys to tell if it pumping water or not? Are those holes on the back of...
  4. 6

    Electric shift trouble shoot.

    I just got a 1970 OMC 115HP motor that has been sitting for 9 years. It is stuck in revease ans I tryed applieing 12V to each of the two wires running down to the lower unit and it would not shift, click or do anything. So I pulled off the lower unit and the oil looks like baby poop! I pulled...
  5. 6

    Changing gearcase oil

    How do you get the oil to go into the gearcase on the lower unit. Seems like gravity is working against me!! help!
  6. 6

    oil injection

    When did OMC start using the oil injection? I am mainly curius about an 84 115HP.<br /><br />Thanks.
  7. 6

    What to avoid?

    I am looking to buy a 70's or 80's 6cyl (115HP) merc. Are there any years that are worse then the others? What should I watch out for?<br /><br />thanks
  8. 6

    Which engines to avoid

    I am looking to buy a used evinrude from the 70's or 80's around 115 HP. are there any years that are worse then the others? what should I watch out for?
  9. 6

    What is a 1975 merc. 85HP worth?

    I was wondering if anyone here new how much the following engines are worth in great working condition with power trim.<br /><br />1975 Merc 85HP<br /><br />1983 OMC 115HP<br /><br />1983 Merc 115HP<br /><br />Thanks
  10. 6

    75 85HP Long start, Die at WOT, Good idle

    I have a 1975 mercury 850 4 cylinder. It would hesitate a little bit when you put the throttle all the way down so I put in new spark plugs and a fuel pump diaphram. Now you have to turn it over for at least 30sec before it will start and then it will idle really good even in fast idle. but as...
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