Recent content by janneman

  1. janneman

    just an enthousiast threat - 75 hp on a 14 foot piece of plastic

    12 years ago bought this little boat with a 50 hp 1986 mariner. last year the Mariner "died" (dog-clutch broke, cranckshaft broke) and got myself a 75 hp mercury from 1990. For a 14 foot (4,24 meters) polyesther boat that is a lot of power 😁😁 here's my maiden trip - i need to master the...
  2. janneman

    75 HP mariner from 1991 - reputation and checks for second hand buy

    last sunday my good ole ' 50 HP 2 stroke mariner grinded the gearcase into paste.... boohoo. on ebay i found a 75HP 2-stroke autolube from 1991 (serial 09681211) and i wonder what the reputation of this engine is? what tests could i perform locally to check its' health? thanks! p.s. have...
  3. janneman

    wich prop fits wich shaft / engine

    With the little boat i bought second hand 3 years ago - i got 2 "spare" props. one of them is not the right pitch, so i try selling it, but now i discover it would not fit my engine in the first place; it has a 11 spline shaft, where my engine has 13 spline-shaft. how do i know wich engine...
  4. janneman

    How the tacho works - CDI, stator, voltages - at thunderbolt series

    After digging a little on this forum, i thought it might be good to do a little more general topic on the working of the electrical side of this series of outboards. Some topic parts mix in here; the ignition (stator, switchbox, bobine) and the instruments themselves (tach-meter). In...
  5. janneman

    what spark plugs to use for Mariner 2 stroke 50 hp

    Let me do a brief introduction... I'm from the netherlands - AKA holland - you know, tulips, windmills, cannabis and importing people to north america ;) I recently bought a older boat with a mariner outboard. As it has starting problems, I cleaned the carburators. I pulled the spark plugs -...
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