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  • Drive shaft question

    I need a 30" driveshaft for a 2003 Z150TLRB HDPI motor... but, none of the parts diagrams show one... so, I was wondering if any of the driveshafts from a different series would fit? Anyone have any experience with this?

  • #2
    what am I missing here, the TLRB uses a 20"
    '

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    • #3
      My current motor has a 25" (it's the XL version)... but, my boat needs a 30" (26" transom)... I bought one of those Bay Mfg extension kits - but, the drive shaft extender won't fit into the driveshaft hole in the mid-case. So, I was hoping to find a 30" shaft that I can fit instead.

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      • #4
        someone on iboats did this:
        If its got teats or tires, you bound to have trouble with it....

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        • #5
          description:

          What that is is a 1" hole saw turned backwards and locked into place with a 1/2" jam nut. This acts as a pilot. And the 1 1/8" hole saw turned to cut/ream the hole to the size I wanted. It is all mounted on a fine thread drill rod. Hope this helps some one here with a similar problem some day.
          If its got teats or tires, you bound to have trouble with it....

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          • #6
            Something like that may work... and, I could pull off the mid-case and just bore the top part where the extender goes...

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            • #7
              Originally posted by Mr. Nice Guy View Post
              My current motor has a 25" (it's the XL version)... but, my boat needs a 30" (26" transom)... I bought one of those Bay Mfg extension kits - but, the drive shaft extender won't fit into the driveshaft hole in the mid-case. So, I was hoping to find a 30" shaft that I can fit instead.
              If your motor is the X version then it would be a model Z150TXRB. Not a Z150TLRB.

              A Z150 was never offered in a Z150TURB configuration. U being the designation for a 30" shaft.

              You may have to remove the mid-section bushing in order to fit the existing drive shaft with the Bay Mfg. extension to install the lower unit.
              Last edited by boscoe99; 05-21-2019, 05:52 PM.

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              • #8
                Yeah - it looks like someone retrofitted a 25" mid-section/lower unit on this at some point (the model doesn't match)...
                Yes, you are absolutely correct - will have to do some modification to make it work.

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                • #9
                  question,
                  is it the bushing it is not fitting thru?
                  if so could that be removed and modified and out back in or would it need to be left out completely?

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                  • #10
                    It's the entire shaft length - the entire hole is too small of a diameter. But, I'm thinking I can just bore out the top part for the 5 or 6 inches needed. Just a little time on the milling machine.

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                    • #11
                      we are asking what hole is it not fitting thru?
                      is it a bushing or not

                      boring out a hole is different than turning a shaft on a lathe
                      which are you talking about doing?
                      Last edited by 99yam40; 05-22-2019, 04:28 PM.

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