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-   -   Merc gen 4 454 Mag no water exiting (https://www.offshoreonly.com/forums/general-q/386135-merc-gen-4-454-mag-no-water-exiting.html)

zz28zz 08-09-2025 12:54 PM
Originally Posted by 90MirageTrovare (Post 4932349)
Not positive on this but I’m pretty sure if you have twins, you have one left hand rotation engine and one right hand? That would explain why the pickup hose is on a different nipple of the impeller housing right? Maybe I’m way off but that’s how the impeller housing is marked.
My twins spin the same direction (RH) but the props spin in opposite directions. Port drive is in "reverse" when moving fwd. Bravo drives are happy spinning in either direction. However, some twins do rotate in opposite directions.
Good luck with your test run. I just splashed mine a couple of days ago after 3 years of low lake levels.


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