Reply To: no water flow 63 evinrude 40hp big twin

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June 19, 2019 at 4:55 pm #177565
Bob Wight
Participant

    US Member

    Check the water tube up through the mid section to the powerhead. Water tube or engine water jackets could be stopped up. Also check the grommet where the water tube is connected to the water tube. If the grommet is missing, damaged or folded over into the pump housing it will prevent or restrict water flow.

    Bob

    1937 Champion D2C Deluxe Lite Twin
    1954 Johnson CD-11
    1955 Johnson QD-16
    1957 Evinrude Fastwin 18
    1957 Evinrude 3022
    1958 Johnson QD-19
    1958 Johnson FD-12
    1959 Johnson QD-20
    1982 Evinrude 25hp

    “Every 20 minute job is only a broken bolt away from a 3-day project.”
    "Every time you remove a broken or seized bolt an angel gets his wings."