[Diy_efi] CDI coil question

[Andrew Theurer]

On Monday 21 October 2002 8:37 am, Rausch, Bernd wrote:
> Has anyone seen the coil on plug coils of the newer motorcycles ? I hav=
e a
> coil from a 2001 Fireblade, it fits exactly on my 4V cylinder head. The=
y
> are from Denso, available in different lenghts and seem to be used on H=
onda
> Fireblade, Yamaha R1/R6, Suzuki GSX-R. New about US $50/pcs. They are g=
ood
> for 16.000 rpm in the R6.
>
> Now the problem: These coils seem to be CDI coils. How can I connect th=
em
> to my ECU (has COP outputs) ? I have seen the 4-coil CDI driver from
> Autronic, but rather expensive at about US$ 750.
>
> I have looked at the wiring diagram of the Fireblade, they are driven
> directly by the ECU.
>
> Is there a cheaper solution than the Autronic CDI unit ? Maybe DIY ? Do=
es
> anyone have exact specs for these coils ? I did not find anything usefu=
l on
> the net.

MSD makes a four channel CDI box, the DIS-4.  It is about $350 from=20
summitracing.com.   I use it to drive six coils, using three channels (wa=
sted=20
spark). =20

Do you have a source for those coils?  I'd like to order one to have a lo=
ok.

-Andrew

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