If the passages seem clear, and the bolt is hollow, It may be as noted below a cam bearing out of alignment with the oil hole. To check, remove the rocker assembly, and use a brass rod, or copper wire to feel in the hole all the way to the bottom. The wire should be touching the cam journal through a hole in the bearing shell. If it is, turning the engine very slowly by hand (incrementally) will allow the wire to go deeper when the oil passage aligns. If it never aligns, the cam bearing is probably the issue. Do not rotate the engine with the rod stuck into the cam journal, it will cut off a chunk that cannot be removed without surgery... Jim
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Today's Featured Article - Talk of the Town: What's in Your Tractor's Toolbox? - by Staff. This recent discussion on the Tractor Talk discussion board here at the on-line magazine drew so much response and proved to be so interesting that we wanted to share it with you here. The names of the people participating in the discussion have been left out to "protect the innocent" (to quote a once-popular television series).
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