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  1. K

    1989 Force 5hp - Does it have Reverse?

    1989 Force 5hp - The lever handle sits level for neutral, and down for forward. It does not look like it has reverse, am I right? Never had a small hp motor, never saw an outboard without reverse, is this normal?
  2. K

    1989 Force 5hp - No Pee Hole?

    I?m fixing 1989 Force 5 hp as a favor for my neighbor, it was sitting for 2 years under an open carport. I got it going and it has good compression (115 psi cold), but the shifter handle is hard as a rock to move, the prop has one blade missing, it has no engine cover cowling, and the bottom...
  3. K

    1989 Force 5hp Flywheel Removal

    I have a 1989 Force 5hp Mercury Model H0052F89A. I'm trying to remove the flywheel, since I'm getting no spark. Is the flywheel bolt a left handed thread? I'm treating it like a regular right hand thread and it is not budging.
  4. K

    Cylinder Head Temperatures & Temp Gauge Location

    1990 Johnson 115 V4 Crossflow Bubbleback I dismantled and cleaned both cylinder heads and caps, and cleaned thermostat housing and changed all the parts and the rubber hoses. I took the boat out on three trips and it ran perfect. Today, out of curiosity, I put the flusher on and ran the...
  5. K

    Pond Scum Blocks Water Intakes?

    My 1990 115 Johnson has good water pressure, and since I cleaned all of the water passages in the cylinder heads, and changed the thermostats the engine was running at about 145 degrees on my new water temperature gauge. Yesterday after I had to do through some algae and floating natural debris...
  6. K

    Engine Cover Disconnects Cables

    The engine cover on my newly acquired 1990 Johnson 115 Crossflow Bubbleback V4 has to be put on very carefully from the rear or else it'll disconnect the spark plug and coil wires. I was testing the boat after all the repairs I have been undertaking for 2 months now, and it was nuts. I set the...
  7. K

    A Hole in Cylinder Passage behind Starboard Deflector??

    1990 Johnson 115, V4 Crossflow bubbleback I'm cleaning out the Starboard water passages, and pulled out the middle deflector and found that there is a hole in the block behind where the deflector base rests. The hole looks like it is machine drilled, however, I don't see any mention of it in...
  8. K

    What'r Good Water Pressure Lbs Readings?

    I installed a Faria water pressure gauge on my 1990 Johnson 115 V4 Crossflow, (as well as a water temperature gauge 100-240F), since the engine is new to me and I have no idea of the age of the impeller or the condition, I'm wondering what are good readings on the water pressure gauge? At idle...
  9. K

    Throttle Lever Function on Spark Advance Question?

    On my 1990 Johnson 115 Crossflow, I notice that the Throttle Cam Lever on the engine, being as it is curved, will when set up right, fully advance the spark advance when the cam follower roller is about half way up on its travel. It will not advance spark advance rod any further after that...
  10. K

    How Can You Tell If Smoke is Steam or Oil Related

    How can you tell if white smoke is steam from head gasket leak or just too much oil? (1990 Johnson 115 Crossflow)
  11. K

    Tips on Disassemblings Cylinder Head 1990 V4 115 Bubbleback

    OK, I replaced the thermostats, both were stuck, one totally open and the other almost totally closed. Don't remember which was which but assume it was the 183 degree head that had the almost closed. Re-tested again and got 184 on port side and 135 on starboard. I am going to take apart the port...
  12. K

    Joe Reeves Timing Method & the Throttle Cable

    The Joe Reeves Maximum Spark Advance timing method below does not mention if the throttle cable is disconnected. I saw another thread that said the shift cable is disconnected (which makes sense), however, nowhere do I see any mention of removing the throttle cable. The reason I ask is because I...
  13. K

    Thermostat replacement on 1990 115 V4 Crossflow

    In testing a 1990 Johnson 115 that I bought recently, I ran the engine three minutes or so at idle with a Temperature Gun Infrared Thermometer W/Laser Sight and got 183 degrees maximum on port side and 104 on the port. I decided to replace the thermostat, and went at today in the evening and am...
  14. K

    Flushing Engine with Citric Acid

    Mercedes Benz flushes it's aluminum radiators and engines with citric acid. I believe they remove thermostat and pour 12% citric acid granules which is first dissolved into sufficient water to fill the radiator. The engine is run for x minutes, and then flushed out with fresh water. I can...
  15. K

    No Audible Alarm on Boat, where do I Get it?

    Used boat I bought has no audible alarm that I can see. The shift controller is am OMC Binnacle Mount without the key switch. Where do I get the audible alarm is it aftermarket or just OEM? Part numbers? I have a 1990 John 115 V4 crossflow. Maybe an electrician out there can show me how to rig...
  16. K

    Does Joe Reeves Timing method need engine cooling water?

    Do I need to hook up water when I do the Joe Reeves timing method, or is it so quick it is not necessary? (1990 Johnson 115)
  17. K

    Adjusting Maximum Spark Advance Without a Test Tank?

    I need to check the maximum spark advance on my just bought used 1990 Johnson 115. I don't have a test prop (I need #382861), and I don't have a test tank. The only way to do it that I can think, is to have a driver run it on an open flat calm area while I do the timing light. However, my timing...
  18. K

    1990 115 Johnson- carb rebuild- how tight is tight?

    In rebuilding my two carbs on a Johnson 115, there are 6 screws on the top idle channel gasket #6, if I tighten them all the way, I can see the gasket folding in the open spot in the middle, in the top H opening. Am I supposed to tighten the screws till they are as tight as they can get? It...
  19. K

    Johnson 115 1990 - water temp gauge goes where?

    I want to install a water temperature gauge on a 1990 Johnson 115 I just bought. Where does the sender tap into? I don't see any threads for a sender. What kind of sender does it use, in the water or touching the outside? (PS- I'm also going to install a water pressure gauge, which I'll just...
  20. K

    1990 115 Johnson - Carb rebuild - Should I Remove Lead Shot?

    I'm going to rebuild the carbs on my 1990 Johnson 115 that I just bought used. Should I remove the lead shot on each carb? Can clogging dirt get behind there? I don't see much mention of removing it in YouTube videos. The parts kit from OMC does not include it as far as I know (have not received...
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