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  1. #1
    o uncola o's Avatar
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    Smile Question about bolt size from pump to transom plate

    I purchased some new bolts to reattach my pump. I got 10mm * 100mm thread 1.5.

    I know the stockers are 10mm * 95mm but I figure I will just throw on a washer or two.

    My question is... what thread are the stock bolts? They seem to go in fine, but I cannot get my bolts in. Is it possible they are 1.25?

    If they are a different size, where can I get them cheap?

    Thanks.


  2. #2
    Mike xsockguyx's Avatar
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    Did you download a service manual?

  3. #3
    o uncola o's Avatar
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    Quote Originally Posted by xsockguyx View Post
    Did you download a service manual?

    Yeah... they do not have any information about the threads.

  4. #4
    Quote Originally Posted by o uncola o View Post
    I purchased some new bolts to reattach my pump. I got 10mm * 100mm thread 1.5.

    I know the stockers are 10mm * 95mm but I figure I will just throw on a washer or two.

    My question is... what thread are the stock bolts? They seem to go in fine, but I cannot get my bolts in. Is it possible they are 1.25?

    If they are a different size, where can I get them cheap?

    Thanks.
    You talking about the 4 long ones? if so all I know I use 14mm socket. there fine thread metric

  5. #5
    o uncola o's Avatar
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    Thanks pete...

    any idea where to get new ones?

  6. #6
    Quote Originally Posted by o uncola o View Post
    Thanks pete...

    any idea where to get new ones?
    Jason try here!

    http://www.boltdepot.com/

  7. #7
    or here: go to the home page and look up the one you want I think it is in jet unit 1...

    http://www.boats.net/parts/detail/ya...-10837-00.html

  8. #8
    Moderator RX951's Avatar
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    Most if not all the bolts on the GPR are metric 1.25 thread pitch

    A way to compare, is the lay the old bolts on top of the new bolt threads. If they are the same, the threads will overlap with each other perfectly.

  9. #9
    o uncola o's Avatar
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    Yeah, it turns out that it is a 1.25 thread pitch.

    Looked at boat depot and they only have it in 1.5 for stainless.

    Same with most other places.

    Oddly, you can buy it in titanium, but they are $13 per bolt.

  10. #10
    Quote Originally Posted by o uncola o View Post
    Yeah, it turns out that it is a 1.25 thread pitch.

    Looked at boat depot and they only have it in 1.5 for stainless.

    Same with most other places.

    Oddly, you can buy it in titanium, but they are $13 per bolt.
    jason check out boat.net for OEM bolts...
    see the link!

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