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Is it normal for one side of exhaust to be Cold?

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2014CRF250R, with the duals one side is hot and the other side is cold to the feel. That is the exhaust comming out. Since it is a onecyl. how can this be. Any ideas?

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Exhaust gasses take the path of least resistance. I would assume that the pipe on the right if you are looking towards the front of the bike is the hot one and the one on the left is cold. The exhaust gas has to make a bend to the right to go to the left muffler, or it can go straight out. The other pipe doesn't get as much use until the exhaust pressure increases. 

Or you could just have a clogged pipe. 

 

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