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Thread: oil discharge

  1. #1
    Join Date
    Nov 2018

    Default oil discharge

    I'm going through break in on my new drive, initially limiting rpms to 1500 for the first couple of hours. I've noticed that there is an oily discharge coming out of my heat exchanger port which is fed by the outdrive pump. (I have an engine driven pump for the engine that exits through the manifolds) My first drive developed this problem before dumping all the lube and shearing the teeth off the upper unit. It could be tilt ram leakage, but I just want to make sure that I don't have the same issue. What would you recommend?

  2. #2
    Join Date
    Sep 2015


    I would recommend Pressure testing the drive if that looks good then oil shouldn't be coming from the drive.

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Sterndrive Engineering, Inc. (SEI) manufactures a stern drive designed to replace Mercury Marine's MerCruiserŽ Alpha OneŽ, R, MR, Gen II and Bravo OneŽ stern drives. MerCruiserŽ Alpha One, R, MR, Gen II and Bravo OneŽ are trademarks of the Brunswick Corporation. SEI has no affiliation with the Brunswick Corporation. Consequently, any warranties governing products and or sold by Brunswick Corporation will not apply to products manufactured and or sold by SEI, or to products damaged due to the operation of an SEI product.