2003 Evinrude 250

[Dave_512]

I have a pair of 2003 Evinrude 250 HP outboards. The only issue I have with them is that they destroy spark plugs. Earlier this year, I had trouble cranking them and found that the cranking problem was related to the spark plug gap being to wide. I just assumed that who ever put the last set of plugs had not gapped them correctly. After I had gapped them correctly, no problems. Recently, I had trouble starting the engines again. Upon inspection of the plugs I found that the center electrode was eroded to the insulator. I probably have not put 50 hours on the engines since I last gapped the plugs. I am using the best plugs that Champion makes.

I called Evinrude and their first response was that you need to gap your plugs more frequently. After talking with them awhile, they owned up that it was a problem.

Has anyone else had this problem???

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[omega2]

Yes 0n a 90 hp job, the plugs with the 3 segments jumping to the centre helped a bit, cannot remember much else, now have 2 diesels.

<hr width=100% size=1>J HAMER