Recent content by Jeff2012

  1. J

    Is it worth rebuilding the power head on my 1983 140 Johnson?

    I am in Northern IL/Southern Wis area, need to have power head done on 1983 140 Johnson. Any recommendations? It is a super clean motor otherwise. Thanks.
  2. J

    A 16' Sea Doo jet boat is calling out my 15' Hydrostream Viper with 1984 140 Johnson!

    Hello, I have a 15' Hydrostream Viper with a 1984 140 Johnson. Does anyone know the best prop for top end? Don't know the size of the prop on there now as the size was sanded off. The motor turns around 6200 RPM at WOT with the current prop at 55 MPH. Thanks.
  3. J

    Motor turning too many rpms, makes boat feel like flipping. Hoping for advice, Thanks

    Hello all, I now own a 15 ft Hydrostream Viper with a 140 hp Johnson and do not know what size prop to use The boat has trim tilt and last time I had it out for a ride, it was turning slightly over 6000 rpm at 54 mph. It felt like it would do alittle more but when I tried, the boat started...
  4. J

    140 Johnson causing 15 ft Hydrostream Viper to "Chine walk" at 55 MPH. What do I do?

    140 Johnson causing 15 ft Hydrostream Viper to "Chine walk" at 55 MPH. What do I do? Thanks for any advice.
  5. J

    1977 15 Ft Hydrostream Viper w 1983 140 Johnson Prop size?

    Have the wrong prop now, turning over 6000 rpms at only 54 55 mph where it starts chine walking. Any advice out there? Thanks.
  6. J

    replacing 1983 140 HP lower unit gears with 1974 115 lower unit gears.

    Replacing 1983 140 HP lower unit gears with 1974 115 lower unit gears from a nice extra lower unit I was given. Can this be done? Or are the gears different or a different ratio. Thank you.
  7. J

    Do I have 2 weak cylinders on my 140 Johnson?

    Hello I have an 84 boat with 84 Johnson 140. Had the compression checked and results when standing behind the motor were 130( upper port cyl), 122(bottom port), 114 (upper starboard), 116 (bottom starboard). Does anyone know what the compression should have been when this engine was new...
  8. J

    I have an 84 boat with Johnson 140 hp. What should the compression be?

    Hello I have an 84 boat with 84 Johnson 140. Had the compression checked and results were 131, 130, 126, 120. Does anyone know what the compression should have been when this engine was new? Should I be concerned with the 120 cylinder? Also what do you think these current compression numbers...
  9. J

    Proper procedure for doing a compression test on a Johnson outboard?

    Hope someone can offer advice on how to get an accurate reading for a compression test on a Johnson Outboard? What should a 1984 Johnson 140 HP be at when new and what would be acceptable now seeing as it is 28 years old? Thanks Oh yes, also, where is the coil wire so the motor doesn't start...
  10. J

    Compression on 1984 140 Johnson + vro

    Hello, What should the compression be on a 1984 140 HP Johnson? Was this the first year for the VRO? Thanks
  11. J

    Correct procedure for doing a compression test?

    Hello, I've been givin conflicting advice. Does any one know the correct procedure for doing a compression test on a 2 cycle V4? A couple of additional questions I had are: Do you remove all the spark plugs before starting the test? Where do you disconnect the power pack so motor wont start...
  12. J

    Fort Lauderdale (Port Everglades) to Bimini

    I am new to the area and to navigating and was wondering how many miles this is and if anyone who has made this trip before would like to go sometime.
  13. J

    Looking for a nice late model Evinrude / Johnson 140 HP V4?

    Looking for a nice late model Evinrude / Johnson 140 HP V4. Prefer any late 80s up to 1994. Thanks.
  14. J

    What year was the Last V 4 140 HP 2 cycle Evinrude/Johnson?

    I think the first year for the V 4 Johnson/Evinrude was 1969. I would like to know the last year this V 4 was offered in a 140 HP and how much the 1970s V 4 weighs compaired to the last year of the same motor? Does anyone know how much the new 130 E tec weighs and why they droped the 140...
  15. J

    What year is my Evinrude?

    Hello, What year is my Evinrude? Model # 140743S Serial # J0001666 Thank you.
See more
Top