The Marine Knowledge Network
Field write-ups from real jobs - what broke, what fixed it, torque specs and part numbers included. Ask it a question; specs answer inline.
2 articles for “rich”
Reading Marine Spark Plugs: A Diagnosis in Your Hand
... This is baseline. - **Black, dry, sooty:** rich mixture or cold running — carb adjustment, choke ...
Evinrude/Johnson Two-Stroke No-Spark Diagnosis
... Fuel-rich cylinders can fire vapor out the plug holes.
Evinrude-Johnsontwo-stroke outboard
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