Reply To: Johnson HD25 Crankcase Leak

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April 17, 2020 at 7:06 am #200239
aquasonic
Participant

    Here’s another vote for the Permatex 51531.

    It may be best to take the powerhead apart again. If the wrong sealant was used, additional torque may not work. What sealant was used? The sealant itself could be the problem. There are only a few on the market that are suitable for use on crankcase halves.

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