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Grandvista 250 / Faulty Muffler?
« on: July 21, 2011, 01:29:04 AM »
My 2007 Daelim S-2 250 (same engine and muffler as a KYMCO Grandvista 250) developed a backfire this past spring. I never could find the source of the backfire and it has become progressively worse over time.
Now the sound coming from the muffler has changed. It has become louder and sounds different than when the backfiring began. When I take the muffler off it has a rattle in it. I could just get a new muffler but what are the chances the backfire destroyed the muffler and would therefore just ruin the new one. Or could it be the 1st sign of the failing muffler was the backfire.
The scooter has 14,000 miles on it and the muffler has no visible leak I can detect.
Thanks for your help.
Now the sound coming from the muffler has changed. It has become louder and sounds different than when the backfiring began. When I take the muffler off it has a rattle in it. I could just get a new muffler but what are the chances the backfire destroyed the muffler and would therefore just ruin the new one. Or could it be the 1st sign of the failing muffler was the backfire.
The scooter has 14,000 miles on it and the muffler has no visible leak I can detect.
Thanks for your help.