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    Cyclone S jet boat need help

    And would that be the intake gasket on the bottom of the power head? But will check with a flash lite but do believe that is the only gasket left to change and jet boats should never run on a hose for you need the right pressure if I'm thinking correctly lmk
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    Cyclone S jet boat need help

    Yes merc 120xr inboard jet boat
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    Cyclone S jet boat need help

    Has the 120xr merc jet boat
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    Cyclone S jet boat need help

    Plus had exhaust and head off pistons and rings all look good and clean no scoring.
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    Cyclone S jet boat need help

    I'm thinking intake for I have just put new head and exhaust gaskets and motor runs out of the water so is the intake the gasket on the bottom of the power head?? More familiar with outboards first inboard jet boat
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    Cyclone S jet boat need help

    And my compressions over 120 so I think compression is fine somebody was telling me there's a exhaust gasket or exhaust plate below the power head where it mounts to the jet I don't know how true that is but if somebody could help me with that that'd be great
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    Cyclone S jet boat need help

    Thanks for moving it I wasn't for sure where to put it first time on here I have read a few forums before on here that's why I decided to sign up I work on a lot of boats and some questions there is iffy
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    Cyclone S jet boat need help

    Everything's back together and torque properly out of the water runs perfectly smooth no rough idle nothing put in the water will not start sucks water into the number four
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    Cyclone S jet boat need help

    Stuck need help
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    Cyclone S jet boat need help

    So I have a 1996 cyclone s jet boat with a 120 XR mercruiser in it replace the head gasket cuz I was getting water in the number four cylinder that didn't fix the problem so replace the exhaust side and that didn't fix the problem still getting water in the number four cylinder can anybody help...
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