Home › Forum › Ask A Member › Frustrating little Cub — Now Running! › Re: Frustrating little Cub
October 21, 2017 at 12:27 am
#66437
I gotta suspect the ignition is not up to snuff. I say that because it ought to run on any of the plugs you mention. Maybe not long term,
but it ought to at least start and run.
Next, I suspect the condition of the piston, rings, and bearings (crankcase sealing)