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Sr23 4 stroke jet engine not starting or running rough

C

Chuck Murphy

Guest
"my sr23 has 2 140 4 strokes.

"my sr23 has 2 140 4 strokes. the other day one started rough and the other would not. the rough engine would not go over 8K rpms and all of a sudden it jumped to over 9K rpms, the tack also twitches back and forth without any sign of the engine rpms changing. Any ideas?"
 
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