Recent content by zaneh

  1. Z

    78 Johnson 115 gearcase water leak

    My 78 115 johnson is leaking water between the gearcase and the exhaust housing when hooked up with muffs for flushing. Also there is water coming out of the shift shaft. What gives, it looks like there is no gasket between the gear case. I just bought this engine and rebuilt the powerhead. I...
  2. Z

    Johnson V4 distributer ignition help?

    I have a chance to buy an early Johnson 115 powerhead with the distributer under they flywheel. Does anyone know if they can be switched to the later trigger type electronic ignition with the 4 coils and 2 power packs? My 78 engine is shot. I think the one with the distributer is a 72...
  3. Z

    83' Johnson 90 mod to 115 specs?

    I have a 78' 115 V4 Johnson with a bad cylinder (broken ring), and have a chance to get an 83' 90 V4 Johnson. Is it possible to use the carbs and exhaust plate from the 115 on the 90 to get more performance? Also were there any porting differences between these? I'm new to these Johnsons and...
  4. Z

    OMC hp rating change what year?

    Here's the scoop. My 78 115 Johnson may need a rebuild. A guy may want to trade me an 83 Evinrude 90 horse for my 77 1150 mercury. Were the 83 OMC's rated at the prop or power head? The envinrude swap would be easier than the merc as it has the external Hydraulic pump etc, and the controls...
  5. Z

    78 115 johnson cranking compression?

    I recently bought a 78 115 johnson V4. 3 Cylinders have 124-125 lbs, one has only 50 (ouch). I checked the bore and piston with a light and the cylinder isn't scored and the piston looks good. Do these engines have probs with the rings sticking from carbon? Any info would be a great help...
  6. Z

    77 merc 115 or 78 115 Johnson?

    I recently purchased a CVX16 glastron with a good running 115 Johnson. My old ski boat has a 77 mercury 1150. This motor is a good runner as well. I'm thinking of keeping the merc. Any info would be appreciated such as performance differences, fuel consumption and reliabililty differences...
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