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  1. 05-19-2022, 03:22 PM #1
    ajv00303
    ajv00303 is offline
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    Exhaust Pressure Diaphragm

    What is the purpose of the diaphragm on the exhaust sensor hose going to the EMM?
    Twin '05 175 Evinrudes, Model# E175MFXSOS
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  2. Danrude
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    #2 05-19-2022, 05:30 PM
    It allows the pressure to pass through but not the hot exhaust gasses!
    Dan Burnette - Marietta, GA
    Triton 18TRX - 200 HO G2
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