the motor at idle stumbles about half the time. it will idle smoothly then sputter erratically. Revving it up seems to help some. it is as though one (of 2) cylinder is not always firing. new plugs didn't help. I have the gas/oil mix really rich at the moment 1:24 or so. would be the...
I think the drive shaft isn't mating up to whatever fitting exists up under the motor, so the lower unit won't slide up tight to the outer housing. Can you say what sort of connection is made up there? Does the drive shaft slide into some keyed opening? I can't see in there and I can't tell...
