Logo
FULL SITE MENU

Search results

  1. B

    1994 Johnson 15hp idle issues

    Problem seems to be fixed! After my last post I started thinking, if putting the cover on makes a difference it must be getting air somewhere it shouldn't. I began to disassemble and pull the carb and I quickly found i didn't torque one of the carb bolts, as well as a leaky fuel line. I also...
  2. B

    1994 Johnson 15hp idle issues

    Compression read 110 on top cylinder and 105 on bottom. I played with it some more today and got it running good untill I put the cover on. When I put that cover on it loads up and dies.
  3. B

    1994 Johnson 15hp idle issues

    I picked up a 15hp Johnson this week and can not get it to idle. The carb was in pieces when I got it with the adjustment screw pulled out so I have no clue where the setting was last time it ran. The main problem I'm running into is when I try to run the adjustment screw all the way in the...
  4. B

    Mercury 1150 sucking air?

    I have been struggling to find the problem with my 1977 1150. Last year It was running perfect on a cheap electric fuel pump that failed at the end of the season, so this year I rebuilt the mecanical on on the motor because I'm not a fan of electric ones on boats. Now it seems like I'm either...
  5. B

    1972 mercury 200 20hp stator coils

    I am currently diagnosing a no spark issue on a 1972 mercury 200 20hp and think i have it figured out. when i test resistant on the high speed stator coil it reads an open circuit, while the low speed reads ~180 ohms. my question is does this mean its bad or am i testing it wrong? and why is...
  6. B

    1972 mercury 200 20 hp throttle linkage binding?

    i just picked up a mercury 200 20hp or dirt cheap i plan to put on a skiff, the fist problem i ran into is that the throttle wont open the carburetor all the way. the linkage stops moving when the spark advance ends, is like its hitting a stop but i dont see any. i got the motor with no tiller...
  7. B

    Old mercury l6 fuel enrichment mod

    I have been dealing with a 76 merc 1150 the is hard to star for a few weeks since repowering my boat with it and have been doing alot of reading on the subject. Most of what i have read points to doing a fuel enrichment system using a solinoid from a newer engine and plumbing it into the...
  8. B

    mercury 1150 no water from tell tale

    I just finished re powering a boat with a 1977 mercury 1150 and dealing with a bad switch box and trigger, the motor ran great and after replacing the water pump i headed for the lake this weekend just to get to the ramp and find more problems. started great but had no water from the tell tale...
  9. B

    Mercury 1150 weak spark

    I have a mercury 1150 that I got to run a little last summer after replacing the trigger inside the distributor, this season come around and im ready to put it on a boat and have some fun but when i go to link and sync it i have no spark again. I go through all the usually diagnosis and find...
  10. B

    1970s mercury 850 charging issues.

    I have a 1974 mercury 850 85hp outboard that has been having charging issues. I have tested the stator and rectifier and both test fine but on the output of the rectifier it only reads 11.5 volts, and on the stator only one wire is outputting voltage and its about 6.5 ac. Does this sound right...
  11. B

    issues running after link and sync

    this winter i did a lot of backlogged work on my merc 850 thunderbolt including a new cap and rotor so just to be safe i figured i would do a quick link and sync. now after i did that i fired the engine up and it runs great as long as i give it more than about quarter throttle if i go under that...
Back
Top