This article is for informational purposes. Always consult the original Scintilla magneto manual for your specific model before performing service or repairs. Improper magneto work can cause engine damage or personal injury.
Disclaimer: Always discharge a magneto coil to ground before touching it. These can generate enough voltage to knock you on your backside.
In 1931, Scintilla was acquired by Bosch. This is critical when searching for manuals. Depending on the year, your manual might be labeled (pre-1930s), "Bosch-Scintilla" (WWII era), or simply "Bosch Magneto" with Scintilla design heritage. scintilla magneto manual
Scintilla improved this design with:
Some agricultural extensions digitized these manuals. Search the HathiTrust Digital Library or Internet Archive (archive.org) for "Scintilla magneto." This article is for informational purposes
A Scintilla magneto manual is an official technical publication provided by the Scintilla Magneto Division of the Bendix Aviation Corporation (or later, Bendix-Scintilla). These manuals contain:
Connect the high-tension leads to a calibrated 4-way or 6-way variable spark gap rack. Set the test gap to 7 millimeters (0.27 inches). Disclaimer: Always discharge a magneto coil to ground
By adhering to these classic maintenance frameworks and ensuring precise mechanical tolerances, your vintage Scintilla magneto will continue to provide dependable, high-energy ignition for decades to come.
Grab your multimeter and follow this flow:
Rotate the engine or magneto shaft until the cam follower is on the highest point of the cam lobe.
1. P-lead grounded permanently.2. Breaker points oxidized or oily.3. Defective coil (internal short).