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If you have a blueband Mercury 4hp engine,remove the bottom section of the leg (just above the prop) you will find x2 11mm nuts.
Undo both and pull apart,you should find that the gear rod and drive shaft come out of a black piece of plastic housing.
Undo the x2 (8mm) retaining nuts and remove the housing.
Inside you will find the impeller (6 bladed rubber spider) £17.56 from any mercury dealer or £8.00 online..
Hope this helps
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∙ 14y ago
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