Thread: ign. a&b
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Old 09-29-2019, 08:43 AM
John-G John-G is offline
 
Join Date: Jan 2012
Location: Northeast Ohio
Posts: 602
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Edward,

The following is directly from the Rotax 912 heavy maintenance manual.

Trigger coil assignment (on the 912 Series)
Trigger coil A1/2 serves the top spark plug of cylinder 1 and 2
Trigger coil A3/4 serves the bottom spark plug of cylinder 3 and 4.
Trigger coil B1/2 serves the bottom spark plug of cylinder 1 and 2
Trigger coil B3/4 serves the top spark plug of cylinder 3 and 4.

Hope that is what you are looking for.

Happy flying,
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John
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Last edited by John-G : 09-29-2019 at 10:18 AM.
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