| 摘要 |
In a cam shaft holding system for an internal combustion engine, a cylinder head is secured to a cylinder block by cylinder head mounting bolts positioned between adjacent cylinders. An intake cam shaft and an exhaust cam shaft are extended at positions outside the cylinder head mounting bolts along the row of the cylinders. Cam shaft holding members are positioned between the cylinders for rotatably supporting the cam shafts on the cylinder head. Each cam shaft holding member intersects perpendicularly with each cam shaft and has bolting portions at its end portions such that at least the end portion on the cylinder head mounting bolt side is provided with two bolting portions. The bolting portions define an aperture therebetween for avoiding interference with each cylinder head mounting bolt.
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