PTmowerMech's latest activity

One thing I noticed about this engine with the bad coil....... It didn't backfire.

Thank you. Also @Auto Doc's @Forest#2 and the others for this imput. That explains what I'm missing. Tester ordered.

Here is Taryl's video on spark testers. Explanation starts at 4:04 through 7:07. Fast forward to get to the point.

True that. But what I'm supposed to be looking at is gaps between sparks, instead of a constant blinking, correct? Even with the junk...

Sorry, you are using junk spark testers.

With the spark testers I have, I see no formidable differences between either side. Note: They're not adjustable air gap spark...

Hello PTmowerMec, In the video, that sounds like a coil breaking down issue. You would need 2 adjustable air gap spark testers between...

Here's the video. I'm not touching the throttle. The RPM's went down on their own. A few seconds later, they came back up.

Any back-firing through carb or muffler is either cam or ignition timing out of whack.

The carb is clean as a whistle. Even the bowl had almost nothing in it. The valves were at about .06. So I didn't mess with them.

Hello PTmowermec, Even though you disconnected the coil kill wires, the anti-backfire still has the ability to shut off the fuel in the...

Tried your suggestion but, nothing changed. But I have a side question about what happened when I tried this. With the wires...

Oh lord. I hope not.

First thing I would do is clean carburetor, run and test under load. That doesn’t do it, check/adjust valves.

Disconnect the shut off wire on both coils and see how it runs. The coil shut off wire has tiny diodes that will go bad and create cross...