The CB1100 Community Forum

Full Version: Why don't old motorcycles need a distributor?
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So, just to keep it simple, lets talk about the CB750 SOHC and the 1&4 cylinders and static timing. First you set the gap by lining up a particular mark on the points plate with another point on the crankcase. Next you set up a test light or continuity meter so you can tell when the points are open or closed. Finally you adjust the plate so that the points open (light goes out) when a different mark on the plate lines up with the F (for 1&4) on the crankcase. Is that right?

Somebody mentioned marks on the stator and that *really* confused me but apparently on some bikes you remove the stator cover to find your alignment marks in the second step.

Also, I don't understand "dwell". One video seemed to suggest that you set dwell when you adjusted the gap properly.

This is all academic, just trying to understand how these old bikes work.
Ignition dwell is the time when the points are closed. 0.02
Ah, the fog is clearing.
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