I have a 78 johnson 25 hp motor the solenoid will click but starter won't engage.I have checked the neutal switch,insatalled a new battery,removed and cleaned all terminals in the starter system,even tapped the starter while the key is engaged.checked votage all the way to the starter 12 volts good,any ideas
03-13-2017 07:38 - edited 03-13-2017 07:39
Use a digital voltmeter connected to the starter 12V positive post and the to the starter housing. Have someone turn the key to START and hold it there and record the voltage. If it is below about 10 volts, then there is a cable, solenoid, ground, connection or battery problem.
If below 10 volts, then connect the voltmeter directly to the battery posts, not the cable terminals and repeat the test, If the battery remails close to 12 volts, then you have cable or connection problems. If below 10 volts, then the battery is not putting out enough energy.
You may find this article helpful with your troubleshooting.
"There is never just one thing wrong with a boat";
-- Travis McGee, main character in a book series by John D. McDonald
The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around moving parts, near high-temperature components, and working with electrical or ignition systems.
The information offered here is only general in nature and should not be construed as complete factory approved procedures, techniques, or specifications. Always use the proper service manual for your motor, up-to-date service literature, the correct tools, and have an understanding of how to proceed with troubleshooting and repair methods. If you are unsure or uncomfortable with a procedure, a situation, or a technique, enlist the services of a factory trained technician.