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Recent content by Mharms

  1. M

    Early to late 80s mercury 40hp 2 cyl ser 5991418 lync and sync procedures

    Hi all looking for the lynx and sync procedures for a 40hp mercury serial 5991418 guess it’s an early 80s model. Or can anyone point me to a site to get the factory repair manual for this motor? Thanks Matt
  2. M

    1997 Johnson J150exeuc ocean runner dies after few min

    Be having issues with my 97 Johnson 150 since I changed the VRO pump due to leaking oil. Started out with an oil leak changed the VRO pump and then at high rpm start cutting out line I was sucking air. Found carb float bowls were leaking fuel so I changed all 6. Now after that ran it again...
  3. M

    1997 Johnson Ocean runner 150 leaking oil

    Was wondering if anyone know anything about VRO pumps leaking oil?
  4. M

    1992 200hp Johnson Looper 90degree V

    Hello all, I have a true mother chicken of a problem engine came to me with idle problem and low top end power. I corrected the idle adjustment and refined the idle to 6Atdc after engine warms up in test tank it idles rock solid now I have the idle set a little high because the prop is a...
  5. M

    1997 Johnson fast strike 150hp surging at idle

    Got a problem with a 1997 Johnson faststrike that will surge up to approx 3000rpm at idle. Any help would be appreciated thanks.
  6. M

    Instrument wiring

    Hi all, I need some help with instrument wiring. I have a 1979 Johnson 150hp model J150TL79C that I picked up cheap runs good after a little work going to install on a buddies boat. Need info on wiring up tach, ammeter, maybe water temp. Thanks
  7. M

    2008 115HP Optimax Idle problems

    Looking for information on an idle problem that has been dogging a friend of mine. He has a 2008 115Hp Optimax Pro that wont idle. any help would be appreciated.
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