Home › Forum › Ask A Member › 53 Big Twin 25hp lower unit? › Re: 53 Big Twin 25hp lower unit?

#60745
Leon
Participant

    Nice thing about the 51 – 54 Big Twin and RD, is you don’t have to fumble with a water tube. However, the water passages are integrated in the seam where the lower unit connects to the midsection, so applying a thin coat of 3m 847 or another sealer, will minimize possible water leakage there.