Diagnostic
Spark plug insulator is rough, cracked, broken, or blistered
Cause: Insulator damage due to heat, detonation, or mechanical stress Test: Visual inspection of insulator surface
Diagnostic
Cause: Insulator damage due to heat, detonation, or mechanical stress Test: Visual inspection of insulator surface
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Ask Boat Guru about thisSpec · 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 that precious metal is visible on the spark plug electrode....
Spec · 27 Nm conditions={"lb-ft":"20","lb-in":"–"}
Procedure · 1. Check if the exhaust relief hole on the outboard is submerged when the engine is trimmed full in while running at idle speed. WARNING: Submerged exhaust relief hole may result in exhaust restriction, rough idle, ex...
Diagnostic · Cause: Normal wear or abnormal combustion conditions Test: Visual inspection of electrode