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Thread: Best lower Unit Lube

  1. #1
    Join Date
    Apr 2014
    Posts
    1

    Question Best lower Unit Lube

    I recently completed the break-in hours on a 416 lower unit for a 225 Yamaha. What lube is the best to use for normal operations? How about West Marines 80-90W Synthetic?

  2. #2
    Join Date
    Nov 2006
    Posts
    661

    Default

    The west marine oil is fine, otherwise yamalube or quicksilver high performance.

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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.