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  1. #1
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    Mercury Hub Question

    What are the pros/cons of the Mercury SSR 8M0101601.
    Currently I run a 840237-C with the 4 rubber strips. I have heard the SSR provides smoother shifts but not sure how it will stand up on a STV with a 225 Sport XS.
    Thoughts???

  2. #2
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    I ran that hub on an STV Euro with a 225 Promax. Used it with a 30 Et Lightning and a Promax 4 blade. Worked fine in both. Was told to keep an eye on the slots where the drive sleeve slides into the adapter sometimes they will develop cracks. Mine never did but I didn't have a ton of hours on them either.

  3. #3
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    Always worked fine for me but it will take some effort to remove from a prop. Won't fall out like the solid hubs. Some have been able to hammer them out. I needed to use a bottle jack, socket and wood rigged underneath something heavy to press them out.
    Seebold Ski Eagle w/ Merc 280
    Bullet CC w/ 225 Promax

  4. #4
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    Pro: smoother shifts
    Con: very tight fit. Not going to work if you plan on moving it frequently from prop to prop. I have two of them to avoid the removal process

  5. #5
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    Not recommended for surfacing applications (80+mph). The smooth shifting is really beneficial on center consoles with joystick engines that shift a lot more than our rigs. In higher stress applications the rubber portion can oscillate and cause failure.
    2004 Hydrostream Venom 300XS
    1969 GW Invader Mark 55
    1976 Boss Moss Vector



  6. #6
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    Quote Originally Posted by David View Post
    Pro: smoother shifts
    Con: very tight fit. Not going to work if you plan on moving it frequently from prop to prop. I have two of them to avoid the removal process
    VERY tight. I used one for a season, got tired of beating it out. I never noticed a difference in the shift feel.
    .

    I've bought and sold 22 boats in 26 years. I fix them up and then get bored and look for another. It's a hobby.

    Now running a Liberator 21 with a 300xs


    .

  7. #7
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    I've never removed one. I put both in by tightening the prop on the shaft and forcing the hub into the prop. Getting either out would be a bugger.

    Shift quality mattered a lot more with my old 225 Promax (idle 1100 +/-) than with my 200XS (idle 600+/-)

  8. #8
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    Why does the Mercury solid hub insert get loose over time? When they are brand new they are nice and snug and after a season they are loose fitting? If all 4 plastic strips are still attached how or why would it get a little bit of play? Anything to be concerned with or is there a way to shim it to fit tight?


    Triad V21 #002 - 15in DBR 300 xs
    19' J-Craft - 175 Opti
    18' Pontoon - 115 CT 4S

  9. #9
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    Quote Originally Posted by V-bottom View Post
    Why does the Mercury solid hub insert get loose over time? When they are brand new they are nice and snug and after a season they are loose fitting? If all 4 plastic strips are still attached how or why would it get a little bit of play? Anything to be concerned with or is there a way to shim it to fit tight?
    The foam tape that holds the strips gets compressed flat, you can replace the strips. 840382A02

    Dave
    1980 Cougar 19 tunnel,90 2.4L Bridgeport EFI in middle of restoration.
    1988 BAJA Sunsport 186, 96 225 Pro Max
    79 12' Auminum, 95 Merc 9.9
    RIP Stu
    "So many idiots, so few bullets"

  10. Thanks V-bottom thanked for this post

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