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  1. #11
    You have to have it milled. The best thing to do is call Carl. He sales housings that are already milled with the new ring already installed.
    516-883-0090 Island racing's #


  2. #12
    Thanks. I was going to send mine to Island anyhow. Just thought I'd save a bit on shipping costs. I'll give Him a call.

  3. #13
    MR. SCOVILLE UNIT SUCKMYWAKE's Avatar
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    ordered my wear ring monday, was at my house tuesday. now that is fast. and he answered on the first ring too!!!

  4. #14

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    hi all still a newbi but getting there
    I think I need to replace the pump housing or wear ring, on my GP1200R . can I fit a plastic wear ring to the standard Yamaha pump ? If I remove the old ss wear ring.
    thanks.

  5. #15
    Moderator RX951's Avatar
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    Quote Originally Posted by SLR View Post
    hi all still a newbi but getting there
    I think I need to replace the pump housing or wear ring, on my GP1200R . can I fit a plastic wear ring to the standard Yamaha pump ? If I remove the old ss wear ring.
    thanks.
    The OEM housing needs to be machined to accept the plastic liner.

  6. #16
    Tyrael's Avatar
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    That's some great info RX951. Would you recommend the plastic liner over a new steel (on SS) one? Looks like it works wonders for small clearances. Apart from replacing it more often, it there any other disadvantages?

  7. #17
    Moderator RX951's Avatar
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    The plastic liner is cheaper, but more prone to cavitation erosion or wear if you have alot of power in your set up or cavitaton due to an 800 grate in your setup.
    I run a dynafly impeller and I like being able to pitch up [to an extent] with out having to get O.D. of the impeller machined.
    The SS wear ring is definitely stronger. But you can get just as tight of a fit if not tighter wear ring to impeller clearance with a plastic liner also. I've ran both, but personally prefer the plastic liner.

    Basically, if you look, the Sea-Doo guys run plastic liners in their pumps, But they are able to flip their liner and get more life out of it once they see some wear.

    Its all personal preference. But remember that if you ever run a Dynafly impeller, the OD will increase when pitched up. If you run a SS liner, the impeller needs to be machined to properly fit in the liner housing. If you run a concorde impeller, the OD does not grow

    Check this pic out. this is a tight fit. fresh install and you can see the shavings upon first crank.

    Last edited by RX951; 07-12-2008 at 08:24 AM.

  8. #18

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    I had some trouble getting the sleeve in so I used a 2x4 with the hammer...well now that worked!!! BTW 350degrees wanted to melt the sleeve

  9. #19

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    Quote Originally Posted by roost5o View Post
    I had some trouble getting the sleeve in so I used a 2x4 with the hammer...well now that worked!!! BTW 350degrees wanted to melt the sleeve
    Sleeve goes in the freezer. Housing goes in the cooker

  10. #20

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    Quote Originally Posted by akjose View Post
    Sleeve goes in the freezer. Housing goes in the cooker
    I know that! What I am saying is that the housing at 350 wanted to melt the sleeve.

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