| 摘要 |
A plug cap installing structure is provided to stably support the plug cap by suppressing vibration of the plug cap by installing ring-type bumps on a cylinder head cover. A plug cap installing structure includes an ignition plug(43), a cord, and a plug cap(60). The ignition plug is adjacent to a cylinder head sidewall of an engine and slantingly inserted into a combustion chamber. The cord supplies power to the ignition plug. The plug cap is arranged between the ignition plug and the cord. An extension unit(63) is arranged outside the plug cap. A coupling unit(59) is installed on the engine and coupled with the extension unit.
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