3M 5200 as lower unit sealant???

Discussion in 'Boatbuilding' started by newinertia, Apr 21, 2009.

  1. newinertia

    newinertia Previous Member

    Has anyone ever used 5200 to seal up a rebuilt lower unit?

    Will the gear oil break it down?

    Is there another hardware store recomendation anyone has??- silicone?
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