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Snowblower: fire from muffler

After about 10-15 min. of using the snowblower it belches fire from the muffler.

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Try changing the spark plug. You may be having some misfiring going on here. Is your fuel to oil mixture right?

Posted on Feb 03, 2009


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This is usually caused by a stopped up muffler. Remove the muffler and see if this makes a difference. If it runs smoothly without the muffler then you must clean the "kook" out of it. This is done one of two ways. If you have a torch, even a portable handheld one, you can burn the muffler clean on the inside by removing it from the equipment, placing it on a burnproof surface and aiming the torch inside the muffler, letting it burn for 7 to 10 mins.
Also you can build a fire either outside if you live in an area this is allowed or in your fireplace if you have one, and just toss the muffler into the fire. This will remove the carbon buildup in the muffler, Just remember...LET THE MUFFLER COOL COMPLETELY ON IT'S OWN NOT DIP IN WATER as this will warp it and it will no longer seal tightly to the engine. This should solve your problem.

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Your gas to oil ratio is 32 to 1. Should cut down on smoke. replace sparkplug at same time.

Please rate this response and Good luck

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