Tag Archives: Magneto

Classic Harley Motorcycle Tech: Rebuilding a Bosch ZEV Magneto – Final Tests

This is the next from last article in this series reposted with the permission of the author, who has asked to remain anonymous. FINAL TESTS: Finally, we’re in the home stretch. This Bosch ZEV magneto has passed all my electrical … Continue reading

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Classic Harley Tech: Bosch ZEV Magneto Reassembly, Remagnetizing & Extended Stress Tests (Continued):

As with all the articles in this series on rebuilding a Bosch ZEV magneto, this one is reposted with permission of the author, who requested we not share his name. Long-Term Tester The reason for conducting an extended test is that, assuming … Continue reading

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Classic Motorcycle Magneto Tests & Repairs Of The Electrical Components (Continued) Brush Spring Repairs

This series of articles is shared with permission of the author who wishes to remain anonymous.   In addition to hardness, spring pressure is the other important parameter for a brush. I determined from measurements of the depth of the … Continue reading

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Classic Harley Tech – Magneto Rebuild Repairing Previous Rotating Armature Damage

As other articles in this series, this one is reprinted with permission of the author, who wishes to remain anonymous. After determining the correct size of the armature screws (Loewenherz L3.5×0.6), I mounted the armature vertically in the mill’s vise using the … Continue reading

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Classic Harley Tech – Bosch Motorcycle Magneto Rebuild – Part 6

Part 6 of a series on rebuilding an old Bosch motorcycle magneto. This is reposted here with the permission of the author, who has asked me to list as anonymous. The story of what the professional restorer did to this magneto just … Continue reading

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