Ben Visser | Visser's Voice | January 28, 2005
I received an interesting letter from Kurt Wegge, who flies a VariEze with a TCM O-200 engine, and has experienced numerous incidents of exhaust valve sticking. He was wondering if Marvel Mystery Oil would help reduce this. Kurt also noted documents from the FAA (Special Airworthiness Information Bulletin No. NE 03-45, dated June 27, 2003) and TCM (SIL 99-1 and SIL 99-2A) that give a lot of information on this subject. I strongly recommend that you get a copy of these documents if you have an O-200 with this problem. The information is also applicable to other engines and aircraft that have experienced this problem.
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