| Diagram | Fig. 26 — CONTACT BREAKER AND IGNITION COIL · ref 5 |
| Subsystem | engine bottom |
| Listed in parts books | 1963–1964 |
Spring set
A spring set for an auto-advance contact breaker unit, shown in our records under the ignition coil and contact breaker figure.
This is a spring set that lives in the contact breaker and ignition coil area of the engine, as shown in our parts-book records under that figure heading. The catalog title on file for this one points to an auto advance unit, which on these machines uses a pair of springs to control how the ignition timing advances as engine speed rises.
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We don't have a lot of extra detail on this listing beyond that. The catalog appearances we show run from 1963 to 1964, but we can't tie this specific part to a named model or engine size from what's in front of us, so check the spring set against your unit before ordering.
If you're rebuilding an auto advance unit and the springs are tired or broken, this is the kind of small part that's easy to overlook until the timing starts wandering. Give the shop a call if you want help confirming this is the right set for what's on your bench.
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