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  1. J

    Johnson B-series Mystery Puking A Milkshake

    I have no model number. It is a straight 4, fuel injected 4-stroke from somewhere in the 2000s, supposedly 115 hp. The coin on the engine says 25 024232. Bottom cylinder puking a milkshake. I'd like to pull the cylinder head to inspect gasket and aluminum. The instructions and videos I see...
  2. J

    Silliest Question on Fuel Mix - Thank you for your patience

    I recently acquired a 1958 Johnson 7.5 with the tank. The system looks good with the exception that the spark plug threads are completely stripped out. I am replacing the head. The fuel mix instructions on the tank say 16:1 (8 oz SAE 30 weight to 128 oz gasoline). Should I be using straight...
  3. J

    1968 Johnson 65 hp VXL-14B No Spark On Any Cylinder

    Hi. Been a while. Hope you are well. I am working on a 1968 Johnson 65 hp that has been sitting in a boat house for 40 years. I'm working on ignition. not introducing fuel yet. There is no spark on any cylinder. Found boat side of the harnessing good. Cleared out the mice and found most of...
  4. J

    Need Help with 1984 115 hp Trim / Tilt Decision

    Hi. I am working on a 1984, 115, 6 cylinder, serial 6480282. The trim / tilt is leaking very badly. I need help with the decision to rebuild or replace. Can anyone help me with identifying the seal and check valve kits I would need to rebuild the unit? From what I see, I might need a Tilt...
  5. J

    2017 Mercury 25, Fuel Injected, 4-Stroke Skipping

    Model: F25ELPT, 1A25413EK. Serial: 0R795071. Starts and idles great. At throttle up it may take off and feel good but after maybe 30 seconds it will skip like its falling off and struggling to survive. Pulling the throttle back and waiting a few seconds may let you throttle up again but the...
  6. J

    2017 Volvo Penta 240 V6 Alarm Going Off

    Half second burst, every 60 seconds. The service manual that I have indicates transom or sterndrive problem. Any ideas what it could be? Thank you, J
  7. J

    2018 E-TEC 25 hp Not Running Well

    Hi. Working on a 2018 E-Tec 25 hp, model E25DPSLAFD, serial 5526976 . Runs very poorly when throttled up. Shouldn't leave the dock... I'd like to at least split the problem between fuel delivery and ignition. I enhanced the timing marks on the flywheel and added my own for cylinder #2...
  8. J

    2003 Honda BF90A Stalls at Throttle Up

    Hi. I'm staring at a Honda BF90A, Serial BBBL-1G06752. 2003, I believe. Bringing it back from the brink. I have it starting and idling well, but, when I ask for throttle it dies right away, whether or not I put it in gear. If I add choke it will come back to life and increase smoothly. It...
  9. J

    1967 Evinrude Sport 4 60 hp, 60753 A, Configuration Question

    I'm helping a friend with a 1967 Sport 4 60, model 60753 A. The engine is emitting some kind of oil / water mix through a small hole in the port side of the lower leg. The emission is mix of oily stuff, water and some kind of foamy stuff. With the engine shut down, fluid and bubbles drain out...
  10. J

    60 hp EFI Won't Stay Running

    Hi, I am looking at a 60 hp 4-stroke, EFI that won't stay running. Starts fine, idles well, take it out and throttle up and it will die within a minute. Squeeze the ball, start it, repeat... Seems like it is fuel starvation. If it were carbureted, we'd consider a stuck needle valve and float...
  11. J

    Need a Starter - How Can ID My Model Number

    Hi, I've got a Yamaha outboard, V-4, 130 hp that needs a starter. The transom bracket label is unreadable but the engine coin reads 307504. I can make out that the ghost of the transom bracket also indicates 307504 so that seems good. But, how can I turn the engine coin into a model number...
  12. J

    How do I troubleshoot the solar panel of my lift?

    I need help troubleshooting a solar panel lift for a Malibu ski boat. Hewitt lift. New battery. New SunKeeper 6 Solar Charge Controller. I do believe I have it wired correctly. Why does my battery not charge? What should I measure off the battery when it is supposed to be charging? Is it...
  13. J

    Solar Power, Hydraulic Boat Lift Not Charging

    Hi. I've got a boat lift that seems to not be charging the battery. New battery, new SolarKeeper regulator, wired according to instructions. I measure 18+ volts DC and 40 volts AC coming from the solar panel. How do I know the solar panel is really working? Should the 18 v have some current...
  14. J

    Mercury, Serial 9757993, 40 hp, Connecting Rod Bolt Torque Spec

    40 hp, 4 cylinder, carbureted, oil injected, serial 9757993. What is the correct torque spec for connecting rod bolt 10-91012? Thank you, J
  15. J

    Mercury `150 hp, What Does the Thermal Air Valve (Vacuum Valve) Do?

    Mercury 150, 0T384815 Thermal Air Valve (Vacuum Valve) located on head, part number 814612, .....what does it do? How do I know it is working properly? Thank you, J
  16. J

    Evinrude 20 Poor Water Flow

    Hi. Evinrude overheating. E20ELESB. Removed a lot of rubber from the cylinder cooling jackets. Hard to believe what was in there. Had to come up in smaller bits and then coagulate and remelt inside the jacket. This was pretty bad. Thought we found the cause. With a garden hose, pushed...
  17. J

    J115PX4STS Fluid Leaking From Top of Trim Cylinder Reservoir Tank

    Hi. As said in the title... Is there a seal I can replace to alleviate this leak or am I looking at a second mortgage? Thank you, J
  18. J

    J115PX4STS Bushing on Drive Shaft - What Is It? Why Is It?

    Hi. Me again. While dropping the lower unit to put in a new impeller in a Johnson 115, a bushing and spring clip came down on the drive shaft, sitting on top of the pump housing. On a parts list the thing is called a driveshaft bushing and a circlip (ref. Drive Shaft Housing plate, items 5 and...
  19. J

    Volvo Tilt/Trim Sensor

    Hi. Posting here because "Volvo". Question is about trim sensor replacement on the Volvo outdrive through the hull. Perhaps question is better posed elsewhere. I am replacing a trim sensor. I have the old sensor disconnected and hanging but I cannot pull it aft, through the hull. I can just...
  20. J

    Evinrude Cable Casing Question with No Hits at Steering and Controls, Please Help

    Sorry to post here but there's no answer from the Controls page. I need to replace a shift cable casing on an Evinrude 20. The rear of the casing broke out. I understand the replacement parts; a casing, a ferrule for the cable and 2 set screws to fix the cable to the ferrule. My question is...
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