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Old 11-10-2016, 05:50 PM
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kenh3497
 
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Here is a link to a chart with many 4C engine muffler and crankshaft thread sizes. This will give you some options. For a short time I used the muffler off my YS 63 on my Enya 90 4C.

http://www.dieselrc.com/download/fs_threads.pdf

Ken
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