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  1. cbaker65

    Rebuilding Hyper .21

    The front bearing ,seal should be facing out ,open end should be facing in to allow oil to lube the bearing , the rear inner bearing should not have no seals at all ,if one side does have one ,then remove it ,that is so the oil fuel can flow through it to keep lubed & cool!..:thumbs-up:
    • cbaker65
    • Post #2
    • Forum: Engines
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