pinion gear

  1. B

    Jet pump pinion gear shimming

    Hi all I am in the process of rebuilding my jet pump as fitted to a Mercury 240efi. I am now stuck as I do not have the Pinion Gear Location Tool 91-831897. My pump housing has been powder coated (big mistake!) and I have fitted new bearings. Now I presume that the shimming process for the...
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