Patent ID: 6868818

Claim:
A constitution of protecting a fuel delivery tube of an engine, comprising: 1) an engine body including: a) a cylinder head, and b) a ladder cam bracket tightened onto the cylinder head, the ladder cam bracket including: i) an outer frame, ii) an intake cam bracket integrated with the outer frame and holding an intake cam shaft, and iii) an exhaust cam bracket integrated with the outer frame and holding an exhaust cam shaft; 2) the fuel delivery tube disposed beside the engine body and extending in a direction substantially along a row of a cylinder; and 3) an intake manifold made of a material free from a metal and including a branch section which is disposed in such a manner as to oppose the engine body with respect to the fuel delivery tube, wherein the ladder cam bracket defines an outer wall on a side section thereof, and the outer wall of the ladder cam bracket is formed with a protrusion which protrudes toward the branch section of the intake manifold in such a manner as to prevent the branch section of the intake manifold from causing an interference with the fuel delivery tube.