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  1. M

    Mariner 75hp, how many fireing pr. rev.

    Hi All<br />I've installed my Tiny-tach on my engine.<br />Marina 75 hp 1984, but it will show double rev.<br /><br />It is a 4 cyl, does it fire twice pr rev. ??<br />otherwise the cable is to close to cyl 2#. I tried<br />to move cabel, no change..<br /><br />Mikael
  2. M

    Tiny Tach

    Hi <br />The Wire on my Tiny Tach ( short wire version )is to short, is it possible to change or make it longer...?<br /><br />Mikael
  3. M

    How fast can it go...?

    Hi <br />I have a 16" Jofa HT 1978, with a 75 hp Marina 1984, it can do 37 mph, but I never go that fast and the boat is only ment for 50 HP. How fast will it go with a 40 or 50 hp. <br /><br />mikael
  4. M

    marina 75 hp 1984 Trigger arm stuck

    Hi<br />My marina ( mercury ) 75 hp 1984 have a small problem. The arm goeing to trigger and change the preignition, sometimes stuck, never when the engine is running, only when I want to start the engine, then it won't start or run very rough.<br />I can solve it by shifting fwd-n-rev a few...
  5. M

    NGK BUHW VERSUS BUHW-2

    Hello <br />I have a Marina 75 hp 1984.<br />I just got 4 new plug's BUHW, but the manual say's BUHW-2. What is the diferent ?, Do I have to buy new BUHW-2 ?.<br />I live in Denmark and temp is normaly 15-25 C<br /><br />Have a nice Boating sommer<br /><br />Mikael
  6. M

    missing spark

    Hi <br />I have a Marina 75 hp 4 cyl aprox 1984.<br />I have no spark on no. 3 cyl. plug's ok.<br />I have check the coil by taking wire from another coil and the coil giv fine spark.<br />Now there are 3 options. The Stator, Trigger or the Switch box.<br />How can I find the error ? without...
  7. M

    Mariner 75 hp 1984

    Hello <br />My 4 cyl Mariner miss spark on no. 3. cyl.<br />I found out that it 95 % certain that the Box with all the wire's is bad. What function does it have. There are wire's comming from Stator,Trigger and starter key. The wire's goeing out is to the coil's.<br />My Question is Can I go...
  8. M

    Year of my Mariner

    Can Anybody tell me what year my Engine is build.<br />It a Mariner 75 hp 4 cyl. with Power trim<br />Serial no. is 871-8337<br />Best regard<br />Mikael Block <br />Denmark
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