Lawn Mower Chains

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Posted by admin | Posted in Lawn Mower | Posted on 25-07-2009

Lawn Mower Chains
"no spark" on a I-72 McCulloch chain saw?

The ignition looks like the old conventional lawn mower type magneto ignition. no spark at the plug. I suspect it could be the on off switch but it has a good healthy click to it. Does this machine have points.? Bruce

you best take it apart to see whats up. take the kill wire off the coil and spin it. if no spark and no obvious damage see if there is a wire that goes under the flywheel if so it has points. either pull the flywheel and do the points or buy a "chip" from most any chainsaw/lawn mower place that takes the place of the points. a clever circuit it is that senses the position of the flywheel from the current going through it and "opens" at the right cadence. they cost from like 30-50$ i think.


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