Brass hammer, puller (specified in manual), feeler gauge, multimeter with capacitance test, high-temp grease (never WD-40).
The electrical architecture consists of two tightly integrated circuits:
Consists of a primary winding (a few turns of heavy wire) and a secondary winding (thousands of turns of incredibly fine wire). scintilla magneto manual
The rapid collapse of the magnetic field cuts across the thousands of turns in the secondary winding, instantly inducing a charge of 15,000 to 20,000 volts.
Even with a manual, restorers encounter recurring issues. Here is how the addresses them: Brass hammer, puller (specified in manual), feeler gauge,
You might think, "It’s just a magneto—how different can it be?" Extremely different. The Scintilla magneto manual is not just a parts list; it is a precision tool in PDF form. Without it, you risk:
Contains the primary winding (few turns of heavy wire), the breaker points, and a capacitor (condenser). When the points are closed, current flows and builds a strong magnetic field around the coil. Even with a manual, restorers encounter recurring issues
Once the internal timing is set, mount the magneto to the engine. Step 1: Prep the Engine
Rotate the magneto shaft until the cam lobe fully opens the breaker points to their maximum gap.
At this precise position, the breaker points should just begin to open. Verify this using a timing light or a piece of cellophane paper placed between the contacts. Step 3: Mount the Magneto
The grounding circuit is open (broken). The magneto functions normally, generating sparks independently.