| 摘要 |
PROBLEM TO BE SOLVED: To improve the cooling efficiency of a fuel tank body, and to prevent foreign matters from entering an engine intake system. SOLUTION: When the pressure inside a canister 34 becomes negative due to the negative pressure of the engine intake system, more specifically, due to the negative pressure in a surge tank 42 communicated with an air cleaner 40, the air higher in temperature in a space 30 between tank shells between an inner tank shell 26 and an outer tank shell 28 flows into the canister 34 from an exhaust port formed in the outer tank shell 28. On the other hand, the air lower in temperature flows into the space 30 between tank shells at negative pressure from an air cleaner 40 or a cabin 62 through an intake port 68 formed in the outer tank shell 28.
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