PS-- Mine went out in such a way as to cause one coil to not have power-
at first I thought it was the coil... darn.
Carolyne
--- garysteinweg@xxxxxxxx wrote:
> > Lee.Creech@xxxxxxxxxxxxxxxx asks:
> > Tech question: can the main electronic ignition box, the "igniter
> > unit", fail in such a way as to only affect one cylinder?
>
> Have YOU come to the right list. Welcome to the infamous
> Virago TCI (not TDI) box. Now for the answer to your
> question.
>
> YES
>
> Not only can it affect one cylinder, it can be intermittant
> and malfunction only when it's hot, only when it's cold,
> only on it's way from being cold to hot, only above a
> certain rpm, only below a certain rpm, only through a
> finite range of rpm's. It often seems to be a fuel problem
> leading owners and shops to tear their carbs apart, over
> and over again to no avail.
>
> There is hope, however. I'm sure someone has already
> told you where to go for help.
>
> > then "Dan Boutin" <da_bluz@xxxxxxxxxxx> shows his age:
> > No. The ignition box provides the ignition while the points
> > direct the ignition from one ignition coil to the other.
>
> Motersickles haven't had points for over 25 years. On
> most (or all) bikes made since then, there's a flywheel
> position sensor that sends a signal to the TCI (computer)
> box which then controls spark distribution and advance.
> Except for the initial pointless (so to speak) position
> sensing, everything is done electronically now.
>
> Regards, Gary in Sandy Eggo
>
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