Recent content by Scott Sutphen

  1. S

    Which spark plugs

    I'm getting confussing information about which plugs I should be using. I have a 120 Johnson, model J120TLAEM, serial#02306410. Can anyone tell me exactly what year it is and what the other letters mean. The local dealer gave me Champion QL82YC plugs. Clymers manual gives two different...
  2. S

    Thermostats again

    I've been tinkering with my 120 Johnson. It's a model #J120TLAEM, serial 302306410 if this is needed. I did plugs, lower unit oil, and cleaned and tighten coil mountings and ground wires. Hooked it up to water and after running a few minutes, one head was warm to the touch, the other would...
  3. S

    coil wires

    I have a high end cough on my 1985 Johnson 120. I have changed plugs and cleaned carbs. It will run fine one day and then cough the next day. I noticed one of the coil wires was a little corroded on the plug end and noticed the wires are steel core, 7mm, Prestolite brand. I was wondering if...
See more
Top