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Checked spark with all plugs removed. On cylinders 1 and 3 it has no spark until just as you let up it sparks twice very faintly.
Cylinders 2 and 4 no spark at all.
I have switched the spark plug wires around to eliminate them being an issue. Same results
I have a 67 Johnson 60hp super seahorse. When the plugs are in, even just one, the compression builds up so fast the starter won't turn the motor (I am assuming this is whats happening ). When I remove all the plugs the motor spins fine. New battery and new starter. Replaced the starter because...
I have a 1974 Evinrude 40hp Norseman. On the engine wiring harness right past the big rubber plug, the first wire coming off the harness is a single wire with a single plug connector. Mine is not hooked to anything. Does anyone have any idea what it is supposed to connect to? I don't have any...