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Hi All,
I've got a 40hp Johnson with a dead top cylinder.
J40ELCDE
Serial#C7203810 Canada
So I think it's a 1986.
Compression: Top 110psi Bottom 105psi Cold
Had to replace the Primer Solenoid as it leaked.
New Plugs
Lots of spark, tested with spark tester. When it's running I pull the...