our recently purchased 392 Commander Has a 6.5 KW generator. The wires leading from the top of the spark plug to the coil are in rough shape. Onan wants over $500 US for these wires. Has anyone had a similar problem and or do does anyone know of replacement wires that would be available. 

We love using our generator however $500 for a 12 inch piece of wire seems a little pricey to me

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Do you know your model number ?  

The name plate wasn’t readable and I saw 39204 on a large piece of duct tape on the top of the unit. That may be it??

A picture of the unit would help. If it is an MCCK model a honda 2 plug coil with standard plug wires will work. Go on smokestak.com and search the threads and you will find all the information you need. The MCCK's had surpression style plugs and coils that were spec'd for military use. Plugs coils and wires when they were available much later were almost 1000.00. The original design of the generator had many people calling it explosion proof but my understanding of the braided coil wires and that coil and plugs was for radio interference. I questioned the local generator repair shop when I wanted to replace mine as to why I needed an 800.00 coil when my genny was sitting between 2 gas engines with standard coils and wires and he said go to the honda dealer and get a two output coil. thing ran fine for 16 years and may still be running for the guy that bought my boat. cost me $30.00 total for the coil, plugs and a couple of wires.

Hi Kevin: Thanks for the note.  I searched the Smokestak site and there are literally 500+ posts so tough to find specific answers although many posts say the wires can be changed out.  I am going to try and find the model number somewhere as the nameplate is not easily readable.  Here are a couple pictures if it helps

Tom, That is an 6.5K MCCK Onan, I cannot tell you the spec letter(tells you what age and is needed for some part ordering but not important for what you are doing now). I'll try and grab the plug numbers and a picture of the coil you can get at any Honda or Harley Davidson shop so you can replace it. Then just a couple of plug wires that will reach from coil to plugs. I just used a few older wires I had leftover when I upgraded my Ignitions on my engines. I'll try and trace that number it may be a serial number which would tell you the spec 

Tom Malanfant said:

Hi Kevin: Thanks for the note.  I searched the Smokestak site and there are literally 500+ posts so tough to find specific answers although many posts say the wires can be changed out.  I am going to try and find the model number somewhere as the nameplate is not easily readable.  Here are a couple pictures if it helps

Tom, Here is a picture of a clean MCCK tag. The top 2 lines are all that are important, Model, Spec, and serial #. The rest of the numbers will all be the same for a 6.5K. I do believe the 5 digit number you have on tape is the serial number but still trying to confirm.

That is a mcck and I thinks it says spec H

Thanks Kevin - i will have another look tonight.  if you have any info on that coil, plug and wires that would help for sure and may be just what i need to get this puppy running :) 

Kevin McKinnon said:

Tom, Here is a picture of a clean MCCK tag. The top 2 lines are all that are important, Model, Spec, and serial #. The rest of the numbers will all be the same for a 6.5K. I do believe the 5 digit number you have on tape is the serial number but still trying to confirm.

Chris, you are correct, unfortunately this tag is not from Tom's MCCK. It was a copy of a tag I had and just wanted him to know right where to look for the information he needs. Love my Onan but the ID tags on them were absolute crap!! You cannot read any of them. Tom a picture of the carb that is on this will also go a long way in identifying it. Also Tom, what year is your commander? 

chris said:

That is a mcck and I thinks it says spec H

Here is the pic of the carb i have from the survey.  I can get a better one if you need it to help with the wires, coil and plugs i should get. 

PS - our Commander 392 is a 1987 model year.  

Thanks for all the input.  I found an amazing dealer in Michigan who has been dealing with Onan generators for over 40 years.  We installed an electronic ignition and good to go.  Nothing a few hundred bucks couldn't fix 

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