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Magnetos, Ignition Coils and Spark Plugs Discussion about magnetos, buzz coils, spark plugs, ignitors and low tension coils.

Magnetos, Ignition Coils and Spark Plugs

Bosch DU4/2

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Old 05-30-2019, 07:41:44 AM
Jack Innes's Avatar
Jack Innes Jack Innes is offline
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Default Bosch DU4/2

Hello, I have a new to me Rumely X25-40 with a Bosch DU4/2 magneto that has a deteriorating bearing or bearings. This likely is due to the mag being under a bolted on cover & does not get oiled very often.
My question is, if the armature is damaged will an armature from a DU4 fit & work? I have several DU4 mags. Or can a DU4 be converted to a DU4/2?
Thank you,
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