| 摘要 |
PROBLEM TO BE SOLVED: To form an intake pipe in curvature structure to elongate the pipe length of it so as to increase the intake capacity in the intake pipe, and achieve mildness in engine output characteristics. SOLUTION: Intake piping P2 is extended from a rear part of a cylinder head 3 in the engine E, and the intake pipe P22 represented as the intake pipe in the piping P2 is L-shaped in curvature P22a in a side view and a plan view of the engine E. The length of the intake pipe P22 is thus elongated. The capacity in the intake pipe P22 is thus increased by the elongation with the curvature P22a. COPYRIGHT: (C)2006,JPO&NCIPI
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