NGK DPR6EA-9 Spark Plug YAMAHA 9.9HP 15HP 25HP 30HP 40HP 50HP 4 Stroke Outboard

30HP & 40HP Carburettor 4-Stroke 3-Cylinder. 50HP Carburettor 4-Stroke 4-Cylinder 1997-2001. 25HP 4-Stroke F25A.

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