96 'bu VLX - my impeller went out yesterday, and the uncooled exhaust got hot enough to smoke my Silent Rider muffler. replaced the impeller and water was coming out of a couple places on it, so had to get off the water. $300 and 5 days for a new one. this thing is just a fiberglass tube - has anyone ever repaired a muffler? (i'm decent w/ 'glass) what do the internals of this muffler look like? are there baffles or something else that would be damaged? the boat seemed to run fine except for the water leaks. anything else i should check for damage? on a related note - when i started smelling the fg fumes, my engine temp was like 220º (not catasrtophic), but the warning buzzer never went off. what temp is the buzzer supposed to trip at? my engine never runs above 160º normally, so why wouldn't it go off around 180º or so?
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