I have the book you are talking about and very good it is too, I have been using the pre loaded Pico drop down menus however there has been a development today !
We have gone back to mechanical basics, previously the compression check was done with the Pico first look comparison, all cylinders were over 90% this was misleading, all it really told us was all the cylinders were roughly the same !!!!!
Did an actual compression test today with gauge and all cylinders were around 70 psi adding oil to seal the rings brought them all up to 100 psi.
Looked down plug hole with bore scope but valves are not really visible, I think some thing is going to be taken apart soon to get to the bottom of this.
However this wont explain the lack of amps in the coil trace, cannot go any further without direction from customer who is in Goa until next week. Will keep you posted as and when.
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