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Rotax 447 one cylinder no spark

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F

f16bmathis

Member
Joined
Feb 2, 2022
Messages
9
Hey, Rotax 447 in an MX Sport. Starts right away, RPM at 1500 +/-, but no EGT or CHT on the forward cylinder till the engine gets warm. Then it kicks in and RPM's get to about 2100Checked for spark, has none when cold. Looking for a wiring diagram, all I can find shows two coils, I have one. And there's a thing about a spark controller, with warnings not to run the engine without it, and I don't have one... Anyone have access to a wiring diagram for a single coil 447? Or even ideas about 1 spark?

Thanks!
 
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