Spark arrestor clean was overdue - 100 hours since the last time. First bolt came out easily, second seized after a few easy turns - probably carbon on the thread - so I sheared it off. Might have been smarter to grind the head off and screw it through into the muffler. Fortunately it drilled out leaving the thread ok. I've replaced the bolts with new ones shortened so they don't protrude into the inside of the muffler, and copper anti-seize on the thread, hoping I won't have that problem again.
Arrestor was almost blocked. After a clean, the RTV drives as though it's had a larger engine fitted - transformed. I'll be cleaning the arrestor more frequently in the future.
Here in Australia with summer coming on, an arrestor isn't an option, it's essential for personal safety - Sheepfarmer will confirm that.
Arrestor was almost blocked. After a clean, the RTV drives as though it's had a larger engine fitted - transformed. I'll be cleaning the arrestor more frequently in the future.
Here in Australia with summer coming on, an arrestor isn't an option, it's essential for personal safety - Sheepfarmer will confirm that.
900XT Spark Arrestor
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