While we wait for snow, 2 stroke maintenance question - Page 2 - Snowblower Forum : Snow Blower Forums
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post #11 of 12 Old 12-23-2019, 10:20 AM
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Agree with ST1100A in the past.

I use to have a tree lawn landscape business and never cleaned the exhaust port or screen. If the muffler came off for any reason, loose screws, replacement, then I removed the spark arrestor screen. That screen is meant to reduce the chance of fire in the woods with leaf debri layer on the floor of the forest.

Use synthetic 2 cycle oil, that will reduce carbon build up.

1986 Ariens ST522, 5hp, 22"
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post #12 of 12 Old 01-03-2020, 04:39 PM Thread Starter
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OK, I had this apart today and things looked like new. The spark arrestor screen was completely clean as were the other pieces I could view - - no oily residue anywhere. A few flakes of stuff, but nothing to have bothered with. The gasket fell apart so I'll have to get another. Put a new plug in. Old plug was showing its age.
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