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Thread: Neu 1521 8mm replacement rotors

  1. #1
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    Sep 2007
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    Default Neu 1521 8mm replacement rotors

    I have two brand new Neu 1521 4-pole rotors with 8mm shafts. These were spares purchased directly from Neu. These are Kevlar wrapped.

    Asking $75 shipped CONUS for each rotor.

    IMG_2294.jpgIMG_2295.jpg
    Tyler Garrard
    NAMBA 639/IMPBA 20525
    T-Hydro @ 142.94mph former WR

  2. #2
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    Would it be just a bearing swap from a 1521 with 5mm shaft? Of coarse, spacers needed.
    Nortavlag Bulc

  3. #3
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    Ray,
    I don't believe it's that simple. I don't have any Neu Motor to reference, but I believe the OD of the bearings are different between the 5mm and 8mm motors.
    Perhaps someone else can chime in.
    Tyler
    Tyler Garrard
    NAMBA 639/IMPBA 20525
    T-Hydro @ 142.94mph former WR

  4. #4
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    According to the Boca bearing chart here on OSC. The OD's are the same for 5mm or 8mm bearings for the 1521 motor.
    Shims will be different though.

    Larry
    Past NAMBA- P Mono -1 Mile Race Record holder
    Past NAMBA- P Sport -1 Mile Race Record holder
    Bump & Grind Racing Props -We Like Em Smooth & Wet

  5. #5
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    Thanks Larry, I'm o.k. I'll pass. Great deal.
    Nortavlag Bulc

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