| Diagram | Fig. 1 — Engine: Crankshaft, Connecting Rods, Pistons, Camshaft, Timing Gear · ref 7 |
| Subsystem | engine bottom |
| Listed in parts books | 1975 |
Norton Stud, Crankshaft
A crankshaft stud, PN 06-6609, listed in the engine bottom-end section of the catalog.
This is a crankshaft stud, part number 06-6609, listed once in the catalog under the engine section covering crankshaft, connecting rods, pistons, camshaft, and timing gear. That figure grouping tells us it lives down in the bottom end of the motor, but the record we have doesn't spell out exactly which crankshaft component it bolts to or clamps.
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With only a single catalog appearance and a bare-bones description, there isn't much more detail on file for this one. If you're rebuilding a bottom end and think this is the stud you need, give the shop a call so we can confirm it matches what's on your bench before you order.
Sorry if we got something wrong here. If you think this information isn't correct, .

