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caliper piston sizes

Discussion in 'XJ Technical Chat' started by joejr2, Jul 24, 2023.

  1. joejr2

    joejr2 Active Member Premium Member

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    was wondering if the pistons from the xj759 seca calipers are the same as pistons from the calipers of other xj bikes : xj750 maxim, xj650 seca , xj 650 maxim
     
    joejr2, Jul 24, 2023
    #1
  2. Fuller56

    Fuller56 Well-Known Member

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    750 Maxim, maybe. XJ650's, definitely not. 650 Maxim & Seca are different from each other as well.
     
    Fuller56, Jul 24, 2023
    #2
  3. Melnic

    Melnic Active Member

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    go to xj4ever website and look up the part #'s for the piston for each bike. Lots of good reference info there as well as parts to buy.
     
    Melnic, Jul 26, 2023
    #3
  4. Rooster53

    Rooster53 Well-Known Member Premium Member

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    XJ750 Seca per Partzilla

    This Yamaha 4W1-W0057-00-00 CALIPER PISTON fits the following models and components:

    Aftermarket Parts Brake Brake Calipers Brake Caliper Piston

    Yamaha Motorcycle 1981 XJ550H FRONT BRAKE CALIPER XJ550H

    Yamaha Motorcycle 1982 XJ550J FRONT BRAKE CALIPER XJ550J K

    Yamaha Motorcycle 1982 XJ750RJ Front Brake-Caliper

    Yamaha Motorcycle 1982 XJ1100J Front Brake-Caliper

    Yamaha Motorcycle 1983 XJ550RK Front Brake-Caliper

    Yamaha Motorcycle 1982 XV920J Front Brake-Caliper

    Yamaha Motorcycle 1981 XJ750RH Front Brake-Caliper

    Yamaha Motorcycle 1981 XS1100LH Front Brake-Caliper

    Yamaha Motorcycle 1983 RX50K Front Brake-Caliper

    Yamaha Motorcycle 1984 RX50L Front Brake-Caliper

    Yamaha Motorcycle 1983 XJ750RK Front Brake-Caliper

    Yamaha Motorcycle 1982 XJ550RJ Front Brake-Caliper
     
    Rooster53, Jul 27, 2023
    #4
    Fuller56 likes this.
  5. Simmy

    Simmy Well-Known Member

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    Same brake pistons
    Either the 1100’s have grossly inadequate brakes or that RX50 is top shelf LOL
     
    Simmy, Jul 27, 2023
    #5

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