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  1. #1

    Default chris craft wont take off in the water

    I have 1978 chris craft 305k motor with a paragon transmission replaced all the fuel lines and put new carb on and had fuel tank cleaned out motor runs great on the trailer but when I put boat in the water it will idle along fine but when I go to take off the motor bogs down like iam dragging somthing

  2. #2
    Join Date
    Dec 2006
    Location
    Chaumont Bay, N.y., USA
    Posts
    5,218

    Default Re: chris craft wont take off in the water

    Ayuh,..... Sage advice from an ole Friend,.... the cause of yer problem is in this list,.....
    Quote Originally Posted by Don S;n302506
    Here is a list of possible causes of low WOT (Wide Open Throttle) rpm.

    In no particular order

    Engine Won't Reach Operating RPM. Check

    1. Fuel condition. Type and Octane possibly old fuel
    2. Propeller pitch or diameter, damaged blades
    3. Restricted fuel pickup tube or anti siphon valve Fuel System Test
    4. Crankcase oil volume, high oil level can cause aerated oil and lifter collapse
    5. Marine growth on hull and outdrive
    6. Wrong gear ratio in outdrive
    7. Restricted carburetor air intake (clogged flame arrestor)
    8. Restricted exhaust system (broken exhaust shutters/flappers) in engine transom shield or drive
    9. Poor cylinder compression Compression Test
    10. Carburetor defective, or wrong type.
    11. Fuel pump pressure and vacuum
    12. Boat overloaded, improperly loaded, or improperly trimmed.
    13. Engine Overheating
    14. Engine timing and ignition system operation
    15. Remote control cables and linkage for proper travel to open throttle plates fully.
    Any Grease is Better,... Than No grease at All....

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