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  1. #1

    Yamaha GP1200R - Steel Sleeve vs factory sleeve

    Hey guys

    quick question im rebuilding my go1200r engine and want to know what your recommendations are on sleeves

    I can get a steel sleeve for $80 or the factory sleeve for about $400

    Is there much difference in them? i know the steel sleeve will get more heat

    Just need to know which way i should go?

    Thanks
    Dom


  2. #2
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    Quote Originally Posted by sr20lux View Post
    Hey guys

    quick question im rebuilding my go1200r engine and want to know what your recommendations are on sleeves

    I can get a steel sleeve for $80 or the factory sleeve for about $400

    Is there much difference in them? i know the steel sleeve will get more heat

    Just need to know which way i should go?

    Thanks
    Dom
    Hello Dom the GPR 1200 PV motor from the factory did not come with sleeves the cylinders were nickel sil plated.

  3. #3

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    And you can get someone like Millennium Technologies to repair and replate the cylinder with nicasil (instead of sleeving) back to like-new condition for less. I just had a cylinder done by them and it cost $249 plus shipping, less than $300 total.

  4. #4
    thanks guys im in australia so harder for me to get things.

    Would going with the steel sleeve be a bad idea?

  5. #5
    dhoad's Avatar
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    Quote Originally Posted by sr20lux View Post
    thanks guys im in australia so harder for me to get things.

    Would going with the steel sleeve be a bad idea?
    It will not cool as well with the sleeve but it can and has been done.

  6. #6
    Every adventure comes to an end........ Not Today! wreckingball's Avatar
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    Quote Originally Posted by sr20lux View Post
    thanks guys im in australia so harder for me to get things.

    Would going with the steel sleeve be a bad idea?
    Probably not a BAD idea, just not ideal. After ruining one of my cyl 2 years ago, I got a sleeved cyl from another GH member. When I pulled my motor apart to put new spark plugs and rings on my pistons at the beginging of last summer I noticed that there were definate heat marks and coloration in the #1 piston and spark plug (my cpmpression had dropped in cyl 1 to only 100 psi, and I discovered the rings had come apart - here is a link to where I have a picture of the damage done tothe head by the rings coming apart http://www.greenhulk.net/forums/show...=160704&page=7 ). Then I went back to a cyl that had only nicasil, and this last Dec when I pulled my top end to port my cyl, all three were uniform in color and marks. So my final thought is that the sleeved cyl is riskier for hot temps, and unless you do all 3 cyl with the intention of boring to a larger size piston... Don't do it.

  7. #7
    thanks! i wont go with the sleeve

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