Procedure
Spark Plug Inspection and Replacement
1. Remove the spark plug leads. Pull the rubber boots off the spark plugs.
Procedure
1. Remove the spark plug leads. Pull the rubber boots off the spark plugs.
Open chat with this engine and topic preloaded so you can troubleshoot faster.
Ask Boat Guru about thisSpec · NGK ZFR5F
Diagnostic · Cause: Spark plug insulator damaged Test: Visual inspection of the insulator surface and integrity
Spec · 30 ml (1 fl oz) conditions={"application":"Storage"}
Procedure · 1. Remove the spark plugs to inspect. 2. Inspect the spark plug electrode for wear, and the insulator for roughness, cracks, breaks, or blistering. Also check whether precious metal is visible on the electrode. 3. Rep...
Diagnostic · Cause: Spark plug worn beyond serviceable limits Test: Visually inspect the precious metal on the spark plug electrode; if no precious metal is visible, the plug is faulty regardless of plug color