dinostar Posted April 2, 2009 Share Posted April 2, 2009 Has anyone checked there 2007 muffler for a hole deep inside of the muffler tube. It may take a flashlight to see it. I noticed after the first 600 mile break in period My exhaust was a little louder then normal. For most of you riders your are think great, u can save a few dollars on aftermarket exhaust and not buy any. It appears to me that it was actually blown out from the inside coming from the tail pipe. Of course yamaha dealer sent to Yamaha some pictures, they said it looks like a drill bit hole and will not replace it at my there warranties expense. Bike was purchached last may in 2007, other then this issue I have none with the bike. Took a long trip out to New Mexico from Kansas city, bike was great (even stock) Back to the issue at hand. The hole looks a bit triangular in shape and appears to be popped out from the inside not from the tail of the muffler like you would use a drill bit. It appears if you look up inside of the muffler from the open end. With a flashlight the material is made from some kind of pot metal, which could blister and pop from high heat Anyone have any information about this please let me know. That way i can have some ammo to push back to the dealership. Link to comment Share on other sites More sharing options...
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