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timing side idler pin hole position?

Discussion in 'Norton Commando Motorcycles (Classic)' started by Douglass Harroun, Mar 13, 2019.

  1. Douglass Harroun

    Douglass Harroun

    Sep 12, 2008
    Have to replace the timing side idler gear pin,has a hole on shaft and 2 slots on end. Which way does the hole go- up or down?
  2. Time Warp

    Time Warp .......back to the 70's. VIP MEMBER

    Dec 3, 2012
    All of the cases I have, have the hole down (at the under side)

    Oil splash must find its way into the cavity (via the hole in the cover, upper side of the pin support) at the end of the pin and bore in the T/S cover, flows into the end of the pin and down through the pin hole.
    Last edited: Mar 13, 2019

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