Recent content by Jake Swift

  1. J

    1955 Johnson 5.5 HP CD12 Propeller

    Hi Everyone, Need some help. I have a 2 blade prop on this motor and I would like to put a 3 blade on it. I cannot seem to find what prop I need for the prop shaft on this engine. Can someone help me with some prop options and where I can order one?
  2. J

    Re-Jetting for Altitude on a 79 Johnson 85hp

    Hi, Just curious about re-jetting. At home we boat at 3500 feet, but spend much of the summer boating on a lake at 2000 ft. Should I be re-jetting for the difference? Jake
  3. J

    1979 Johnson 85 hp Gear Ratio?

    Hi, Anyone know where I can find the gear ratio for my outboard? Jake
  4. J

    1979 Johnson 85 hp Lower Unit Gear Oil

    Anyone know what viscosity of gear oil is recommended for my engine? Can't seem to find the info anywhere. Jake
  5. J

    Loose Wire??

    I have been trying to trouble shoot my tach issues and found this wire not connected to anything. Looks like a ground coming from the harness plug. Any ideas and should it be loose? This is a 1979 Johnson 85hp.
  6. J

    1979 Johns 85 hp OMC Tach Setting?

    Hi, From what I have read on the other posts that the tach should be set to 6. Can anyone verify this? I have checked all power (purple and blue) and ground (black) to the tach and appears to be good. Haven't checked the grey wire yet. I assume this is the pulse from the engine. I still...
  7. J

    Prop question/help

    Hi Everyone, I am new to boating and wanted to upgrade my prop. I have a 16 ft Swiftsure Ski boat with a 1979 Johnson 85 hp 2 stroke (Boat and motor weigh approx 1500 lbs). With the OMC painted stainless steel prop (13 3/8 x 17") I was getting (on GPS) 38 mph peak (avg about 33 mph) at WOT...
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