排气管隔热罩的一个紧固件松了，需要重新装一下。
One of the exhaust pipe heat shield fasteners has come loose. We need to re-attach it.
采取进、排气管隔热措施，降低进气温度来提高进气充量。
Adopt measure to prevent the heat transmit between intake pipe and exhaust pipe, lower the intake air temperature to increase volumetric efficiency.
小型通用汽油机用垫片，化油器密封，隔板器密封，空气滤清器密封，曲轴箱密封，汽缸头垫片，隔热罩垫片，排气管密封。
Carburetor gasket seal, small general gasoline engine sealing, air filter separator device sealing, sealing, crankcase sealing, cylinder head gaskets, insulation gasket, exhaust pipe sealing.
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