RTR1

Thank you all for your input to this subject.  I realize this is an old discussion, but the following is offered with the hope that it will help at least one other person.

My machine:  CCR2000, Model # 38180, S/N 39_ _ _ _ _, 1993 vintage.  Prices for parts varied by supplier, but here is a typical quote.  Magneto Coil $213, Magneto Module $124.

I was experiencing the same issue (no spark) and found several good pointers in the responses herein.  My experience:

I had checked the magneto coil's secondary and primary winding resistances with a digital auto ranging meter.  Primary (low voltage) measured a 1.5 ohms.  Secondary (high voltage) winding measured many mega ohms.  Following the advice in one of the submissions above, I checked the connection in the spark plug boot and found it was corroded.  Cut the end off, made a new connection and measured 10k ohms.  With a smile I hoped it would fire up.  Not so lucky, still no spark!

With good resistance readings, the coil appeared to be healthy, which left he "magneto module," as it is referenced by Toro.  I didn't know a way to diagnose the module, so I ordered a universal module from Oregon (#33-053) for $14.71.  Installed the module and runs like a champ.  Storm to arrive tomorrow so just in time.

Thank you all.