Hi Guys,
I got a chainsaw a few weeks ago, with supposedly non reliable spark, after
checking it out, is more like no spark at all.
The ignition system on this one is made up of three parts: ignition coil,
some sort of pickup and the magneto/cap part that generates the voltage and
as the capacitor that stores the energy required to produce the HV when
discharged.
I tested the ignition coil and I got pretty much a short on the primary and
1.9 kohms on the secondary, which I presume it means that the coil's
primary is shot. Unfortunately I can not get a new one anywhere, hence I
was thinking on getting one from another chainsaw of the same cc and adapt
it to this system. This is where my problem comes in, the new chainsaws
models seem to have a all in one design, the magneto, ignition coil and
supposedly the pickup in one piece. I presume that on my system that the
magnets on the flywheel first pass by the induction coil which will charge
the capacitor and then pass by the pickup which will drive the transistor
to discharge the cap through the primary of the ignition coil generating
the HV on the secondary.
But how does it work on the new one piece systems?
By the way the chainsaw is a shindaiwa 346.

Best Regards
                        Luis
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