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  1. #1
    River Rat chevyll's Avatar
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    Question 1300R cylinders on 1200R cases?

    I have a full 04 GPR1300 top end and would like to put them on a set of 02 GPR1200 cases. Is there any inherent problems with doing this? The only thing that I can see is the cases with have to be match ported to the cylinder skirts. Is there anything else that I need to do?



  2. #2
    Moderator OsideBill's Avatar
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    Cases are identical other than the 1300 cases did not have pulse lines for carbs.

  3. #3
    philip_gpr's Avatar
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    use a 1300 head and 1300 PVs

    up the jetting

    and as mentioned the cases shouldn't need any work

  4. #4
    River Rat chevyll's Avatar
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    Cool Thanks.

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