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Connecting Rods for Maxim X 750cc

Discussion in 'For Sale, Trade/Swap, Wanted' started by Linker, Jan 7, 2017.

  1. Linker

    Linker Member

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    Does anyone know the Yamaha part number for the Rods in a 1986 Maxim X 750? I'd like to see if they are still available but the only number I can find is for the 700cc. Also if you happen to have a set of 4 new rods for the 750 lets talk.
     
    Linker, Jan 7, 2017
    #1
  2. xHondaHack

    xHondaHack Active Member Premium Member

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    xHondaHack, Jan 7, 2017
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  3. Linker

    Linker Member

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    Thanks Tony but that number lists for the 700. Should the 750 not have a longer connecting rod as I thought stroke was shortened to get the 700cc. Or is is the crank that is different?
     
    Linker, Jan 7, 2017
    #3
  4. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    1FL-Y1165-00-00
     
    chacal, Jan 7, 2017
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  5. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    nevrmind.
     
    k-moe, Jan 8, 2017
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  6. xHondaHack

    xHondaHack Active Member Premium Member

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    I'm not a parts guy, I just provided the link to the FZ750 rods. The 1AE prefix on the front of the cylinder jugs of my 750 matches that of the FZ. However the 1FL prefix is what is stamped on my block for the engine serial #. Glad Len chimed in with the correct #.

    Yes the cranks are different. The 750 has a 51.6mm stroke as opposed to the 700 with it's 48mm stroke. Both have a 68mm bore. As far as I know the crank, rods and pistons are all different. I'm sure Len can help verify that.

    Tony
     
    xHondaHack, Jan 8, 2017
    #6
  7. Linker

    Linker Member

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    Is that the case? Crank, Rods and Pistons are all different or is it just the crank?
     
    Linker, Jan 14, 2017
    #7
  8. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    XJ700-X vs. XJ750-X:

    Crankshaft is different
    Rods are different
    cylinder Jugs are different
    Pistons are different (different pin location)
    piston Pins are different

    Rings are the same
    Head gasket is the same
    Cylinder head is the same
    Camshafts are the same

    Bore x Stroke:
    XJ700-X: 68.0 x 48.0mm
    XJ750-X: 68.0 x 51.6mm
     
    chacal, Jan 14, 2017
    #8
  9. toolman

    toolman Member

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    have you found a set? I have a complete 750 that I could pull the rods from.
     
    toolman, Jan 24, 2017
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