Search results

  1. W

    Plugs fouled up

    I have previously posted about my motor problems. http://forums.iboats.com/showthread.php?t=262638 I have two 18 HP Johnson motors, a 61 and 65. The 65 developed a problem so I bought the 61. I didnt realize the two are supposed to use different fuel mixtures. The 61 using twice the oil of...
  2. W

    Fuel/Oil Mixture Difference

    Hey guys. Quick clarification. I bought a 1965 Johnson 18 HP and used a ratio of 50:1. I had checked a forum and found that mix for that year. I had a problem with the motor and ended up buying a 1961 Johnson 18 HP. I did a quick clean up and then took it out on the water. Ran with no...
  3. W

    Looking for year on Johnson motor

    Hi guys just joined and I'm looking for some info. I just bought a 18 hp johnson outboard. The tag says FD-15F. I already had a 18hp johnson with tag FD-18D. I was told it was a 65, so I'm thinking this is a 61. What does the FD before the number stand for and what does the F or D after mean...
Top