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  1. #1

    2 stoke vs 4 stroke jet nozzles

    I was looking on parts websites and noticed that Yamaha changed the nozzles between the older 2 stroke boats and the newer 4 stroke boats.

    Anyone know what the differences are? Are the newer parts better than the older parts?

  2. #2
    steve45's Avatar
    Join Date
    Feb 2008
    I'm sure that there are a lot of differences. I don't know about the nozzle itself, but the pumps are certainly different. The finish being one, the cathodic protection anode, the cooling water screen, etc.

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