| Diagram | Fig. 5 — Engine: Crankcases, Filter, Breather, Tachometer Drive · ref 10 |
| Subsystem | engine bottom |
| Listed in parts books | 1975 |
Norton Plug Timing
A crankcase timing plug (06-6006) used for checking ignition timing without removing the cover.
This is a timing plug for the crankcase, part number 06-6006. Its home is in the crankcase area, along with the filter, breather, and tachometer drive assembly, according to the catalog figure it appears in.
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A timing plug like this is typically threaded into the crankcase so you can check ignition timing without pulling the whole cover off - you take it out, line up a timing tool or strobe reference, then thread it back in when you're done. Beyond that, our records don't give us much more to go on for this specific one.
Our catalog only shows this part turning up once, tied to 1975. If you're trying to match it up against what's in your engine, give us a call and we'll help confirm fitment before you order.
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