Timing Electronic Ignition?

[PennoK3]

Morning All.   Sanity check please I am trying to time a David Silver Electronic Ignition on my CB550 but struggling.   Following the instructions and mounting the ignition fully clockwise, then setting the F1.4 mark.  Next instruction is "rotate the plate anti clockwise until the LED lights" but it is already lit in the fully clockwise position so there is nowhere to go.

[K2-K6]

If you remove the plate from bike is it still lighting the LED ?

In other words, with it remote from any triggering input, does it stay lit ?

[PennoK3]

No.   If I take it off it goes out.

[K2-K6]

OK,  so the unit is sensitive to triggering as it should be, that's good.

With it installed, if you rotate the crankshaft, does it then change the LED status  ? and if it does, where on the timing marks is it changing  ?

Sounds like something simple could be out of place to trigger at wrong point, doesn't sound much but just need to find it.

[PennoK3]

It goes out in line with the 2.3 timing mark.

[K2-K6]

Unsure of fitment details on this, does it use the original advance and retard mech  ?

If so, that can be fitted 180 degree out to give this type effect.

[PennoK3]

Yes it does, but all fitted in accordance with the instructions.   I'm stumped.

[K2-K6]

Can you get a picture up of it  ?

There's usually not be much wrong, just spotting what's what to re orientate it correctly.

[PennoK3]

The mounting slots don't seem to be equal.   The bottom one is against the stop but there is still movement in the others.

[PennoK3]

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[K2-K6]

Presumably, the rotating "collar" mounted onto advance and retard mech has to be assembled  and installed  ..... that's where you'd be looking for a problem and especially as you can get a trigger effect 180 degree out.

Pull the electronics and dismantle the a&r assembly to see what you've got there.

[PennoK3]

Yes checked that.   A&R plate correctly mounted on the crank, new ignition rotor is marked with a red dot which is aligned to the TF14 mark on the plate.

[McCabe-Thiele (Ted)]

I dont mean to offend but daft question have you got the correct unit ?

There are two different types listed on the DS website iirc, the main plate unit is the same for both but the part that sensor that rotates/fits on the crank  is different for the two makes of original points plate.

The smaller i/d unit will not fit on the crank but the larger i/d will fit both but will not locate properly.

[PennoK3]

I'm assuming it is the correct unit as I checked over the phone when confirming my order.

[McCabe-Thiele (Ted)]

I'm assuming it is the correct unit as I checked over the phone when confirming my order.

Does the sensor fit firmly on the advancer unit is yours a Nippon Denso (ND) unit or the other one (TEC)?

Was the old point base and the advancer unit the same brand it might have been changed in the past easy enough to assume that the brand on the points base is the Electronic Unit you need?