Reply To: TD-20 cleaning

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June 14, 2023 at 7:43 pm #277055
Bob Wight
Participant

    US Member

    Most of the shops in my area also use a 50/50 water-muriatic mix when they do a descaling flush on an outboard.   Most of the available descaler products on the market are usually a hydrochloric or phosphoric acid mix.   I’ll be doing my annual Hammerhead descaler flush on my ETEC this weekend.

    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."