Logo
FULL SITE MENU

Search results

  1. K

    Fuel not getting to carburetor bowl

    It's likely the float needle is stuck in the needle seat not allowing fuel to come into the float bowl chamber. If you let the float drop the small wire clip is attached to the float and needle. If the needle doesn't move it's stuck and needs cleaned or replaced. The fuel filter could be plugged...
  2. K

    Power Trim tilt solenoid troubleshooting 79 Johnson v4 100hp 3 wire PTT motor.

    I looked up the specs on the trim switch it is normally closed type and 8 amp rating. I figured it would be sufficient as it's just a trigger for the coils at the solenoid.
  3. K

    Power Trim tilt solenoid troubleshooting 79 Johnson v4 100hp 3 wire PTT motor.

    I have recently discovered on my 79 Johnson 100 that the previous owner had Frankenstein wired two relays to the PTT system for up and down (this is for two wire motors late model) which was working but until I later diagnosed a short to ground in the relays which was caused by his wiring of the...
  4. K

    79 Johnson Javelin 100hp V4 power trim/tilt questions.

    Ok thanks, I found a used solenoid box assembly with harness on eBay that matches the diagram in the manual. That's my missing link the guy didn't have with the motor that is on my boat.
  5. K

    79 Johnson Javelin 100hp V4 power trim/tilt questions.

    Hey there guys I'm working on my 79 Johnson 100 v4 with power trim/tilt. I don't believe the previous owner wired this up correctly and seems it's missing a box where either solenoid or solenoid fuse and relays would hook up. I've been diagnosing why my entire ignition failed starting with...
  6. K

    New thermostats issue! 79 Johnson 100 v4 cross flow.

    I am in need of advise with this pain in the neck thermostat replacement on this 79 Johnson 100 v4. I am in reassembly stage now but as you will see in the pictures the kit came with two cork gaskets and the thermostats has a rubber gasket on them. The rubber gasket on the thermostat don't seem...
  7. K

    CDI troubleshooting intermittent spark Need help please 79 Johnson 100hp V4

    My starter is turning 500 rpm when cranking it's not dragging or slow cranking.
  8. K

    CDI troubleshooting intermittent spark Need help please 79 Johnson 100hp V4

    No I'm just curious is there any reason the starter would cause a fault in the CDI system?
  9. K

    CDI troubleshooting intermittent spark Need help please 79 Johnson 100hp V4

    I can surely check that but what does the starter have anything to do with intermittent spark and misfires when running?
  10. K

    CDI troubleshooting intermittent spark Need help please 79 Johnson 100hp V4

    Also meant to ask about the cylinder temp readings in my post earlier, the stbd side was reading 90 degrees while port side was 120. I should just replace the thermostats as it's hard to say how old they are but with the intermittent spark is it possible that's why lower temp due to lack of...
  11. K

    CDI troubleshooting intermittent spark Need help please 79 Johnson 100hp V4

    Hello I am trying to figure out this spark issue with my 79 Johnson 100 v4. First off the boat was given to me by my uncle. He bought it when it was running perfectly 4 years ago (2020) brought it home took it to boat mechanic and had them do a once over just to check compression and overall...
  12. K

    Spark on only one bank of cylinders

    I have a 79 Johnson 100. Same issue no spark on cyl. 1&3 coils are good replaced power pack still no spark 1&3.
Back
Top