Mounting structure of ignition plug tube

摘要

To reduce the cost of an ignition plug tube (62) by making it of a cylindrical member and to provide simple structure having only a small number of parts for mounting the ignition plug tube (62). There is provided the mounting structure of an ignition plug tube (62) made of a cylindrical member where a sealing member (65) made of a soft member fitted to a cylinder head cover (5) is interposed between the cylinder head cover (5) and the ignition plug tube (62) and the ignition plug tube (62) is fixed and supported based upon the mounting structure of the ignition plug tube (62) mounted between an ignition plug plughole (60) formed in a cylinder head (4) of an internal combustion engine (1) and the cylinder head cover (5).