Spark plug protector assembling structure for four stroke engine, has protector guide with pressure part to push protector towards spark plug, and positioning and fixation unit in between guides rear part and cylinder head cover

摘要

The structure has a spark plug protector guide (76A) with a hollow cylindrical form to house a spark plug protector (75), and a tip end insertable in a spark plug fitment (74). The guide has a pressure part (77) to push the protector towards a side of a spark plug (65L). A positioning and fixation unit (78A) for positioning and fixing the guide is provided between a rear part of the guide and a cylinder head cover (60L).