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  1. C

    Mercury lower unit slack prop shaft

    Have 35/40 oil injection lower unit and the prop shaft has about 1/4 inch play forward and backward, anyone what is wrong?
  2. C

    Got a 35 Mariner Magnum and a 40 Mercury one too. Want to delete the oil injection system on the Mariner (they are both the same outboard.

    Already in the process of making the oil injection back to pre-mix as quite a few folks recommend it! More reliable!
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    Got a 35 Mariner Magnum and a 40 Mercury one too. Want to delete the oil injection system on the Mariner (they are both the same outboard.

    I just want to know if anyone knows when you take out the carb restriction plate and bump it up to 50 hp do you need to retime/retune?
  4. C

    Got a 35 Mariner Magnum and a 40 Mercury one too. Want to delete the oil injection system on the Mariner (they are both the same outboard.

    Serial OBO36513 Yes, maybe different jet size, nothing else visible different?
  5. C

    Got a 35 Mariner Magnum and a 40 Mercury one too. Want to delete the oil injection system on the Mariner (they are both the same outboard.

    The Mariner has a air flow restriction plate I want to remove to up the hp to 50. Do I need to do anything to the 2 carbs after I remove the restriction plates?
  6. C

    Lower Unit Seals

    Mine was hard to change on a Merc 1983 70 that sat in a yard on a boat for a quarter century. I have many tools and seldom buy any but at Lowes the smallest nail puller tool did the trick.
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    2 Stroke vs 4 Stroke Torque / Power Curves

    The guy above that said 2 stroke will ALWAYS have more torque, speed and power is right. Yoy see many high end boats today with 4 or 6 outboards on them, that 2 would do with 2 stroke, not to mention that the Evinrude 8 still holds the worlds speed record!
  8. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    You seem the guy to go to for info on this outboard and you have one in the cellar to boot and know a lot about Mercs. Can you tell me or send a photo or diagram of where the battery cables are attached to the outboard. I can guess, but spent a lot of time cleaning as many terminals with rust...
  9. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    Yes, is the manual choke a back up as the solenoid type kind of looks not reliable! Wonder where I can get a choke bracket.
  10. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    Anyone know if that yellow ring terminal that is a ground I think goes where it is pictured attached to the sound box?
  11. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    photo!
  12. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    No matter what I do this program says photo file is too large???
  13. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    OK , have never posted photo on here but will try!
  14. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    I had to go look at mine again to make sure I was not missing something, and mine is not like this with no fixture for a manual choke. IT is hard on mine to get that weighted tube up into the round assembly (not much room) so I will just let the small cable hang there.
  15. C

    Setting Timing on a 75hp 4 cylinder

    Yea, I have seen that on some U-tubes>
  16. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    Me either, I think it was a ghost wire that had me stumped thinking it was part of the electric solenoid system. To make sure it hangs up on anything I will cut it off as it serves no purpose. Fastbullet must have a lot of experience and/or an original Mercury shop manual too.
  17. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    But there is no manual choke knob? The enrichment solenoid is electric and has a yellow wire with black stripe going to it which would negate the need for a manual choke. Maybe other models had a manual choke and this ring terminal just waves in the air not doing anything. Model serial is...
  18. C

    Setting Timing on a 75hp 4 cylinder

    Yes, you must do those things first. No fuel, I usually take the plugs out for a lot of things. Never have done the procedure for timing, running or not.
  19. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    Yes, have these. the question is where does that round terminal on the end of the manual choke knob go....Thanks for the photo reply!!!
  20. C

    Merc 70 hp 1982 There is a carb enrichment device on this engine that has a plastic rod between the 2 carbs and a small metal ball connected to the

    This is so frustrating, as I can find little in online manuals or the seloc paper shop manual which the online ones are seloc also. What does anyone think of this. Take off the whole airbox on front of the engine and reroute starting wires AND that crazy choke/enrichment solenoid. That box...
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