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1990 Evinrude 200 HP Model VE200SLESE

B

bstoerzer

Member
"I experienced another Champio

"I experienced another Champion QL77JC4 (.030" Gap) failure - 3 total in the last 4 months. All the plugs looked good but just stopped firing.

I made a Joe Reeves spark tester and I have a good blue spark 7/16" on all six (6).

Also, all the plugs look like they are not firing very hot. Power head was just rebuilt - you may have seen my previous posts. Compression test on all six (6) is ~92 psig. I even increased the gap to .040" and it didn't seem to help - still a wet appearance.

Is an NGK plug any better than the Champion? Is there another plug I can use that fires hotter?

Thanks in advance.

Bob Stoerzer"
 
"With a 'wet' appearan

"With a 'wet' appearance, I belive there is more a fuel or temp (low) problem than ignition problem. That kind of failure rate You mention I have never heard of or experienced! Are all the plugs the same (wet)? Is it happening at the same cylinder? same cylinder bank? Can You post or mail me a pic of the plugs?"
 
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