| Diagram | Fig. 4 — Engine: Contact Breaker, Timing Cover, Oil Pump, Oil Pressure Relief Valve · ref 18 |
| Subsystem | engine bottom |
| Listed in parts books | 1975 |
Norton Oil Seal, Contact Breaker
Oil seal for the Norton Commando contact breaker, fitted in the timing cover area to keep oil off the breaker assembly.
This is the contact breaker oil seal for Norton Commando engines, part number 06-3609. It sits in the timing cover area where the contact breaker assembly meets the engine, keeping oil from working its way out along the breaker shaft.
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The figure grouping this comes from covers the contact breaker, timing cover, oil pump, and oil pressure relief valve, so this seal is part of that cluster of parts at the front of the engine that manages both ignition timing and oil control in the same neighborhood. It is a small part but an important one if you are chasing an oil leak around the timing cover.
Our catalog only shows this one listed for the 1975 model year, so if your bike is a different year check your own parts book against this number before ordering. Call the shop if you want us to confirm fitment.
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