oil pump

  1. 998cc

    Wet sump check valve machined into timing cover?

    After a year of renewed Norton ownership, I have determined my "new" 850 Commando wet sumps with the best/worst of them. After viewing threads going back to 2013, it is apparent that inline ball/spring check valves can cause more trouble than they solve. Do the same issues crop up using the...
  2. Oil pump on a Manx

    What is the good way to pull the oil pump out? Is it possible to pull it out with engine on the bike?
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