| 摘要 |
PROBLEM TO BE SOLVED: To provide a spark arrester for a motorcycle to improve maintainability and be formed in a compact manner. SOLUTION: In a motorcycle wherein a muffler 28 is situated downstream of an exhaust pipe connected to the exhaust port of an engine, a muffle 28 has double pipe structure provided with an outer cylinder 30 approximately in a cylindrical shape and an inner cylinder 31 contained in the outer cylinder 30. The front end of the outer cylinder 30 is closed by a front 32 and the rear end thereof is closed by a removable tail cutter 35. Meanwhile, the inner cylinder 31 has a spark arrester 42 and a baffle plate 36 is provided to removably support the inner cylinder 31 in the outer cylinder 30, and a holder plate 39 formed approximately in the same diameter as that of inner peripheral surface of the outer cylinder 30 is situated at the rear end part of the inner cylinder 31. The inner cylinder 31 is inserted in the outer cylinder 30 and the front end part of the inner cylinder 31 is removably supported by the baffle plate 36.
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