I'm guessing the white smoke would be unburned fuel? It billowed pretty good
out of the exhaust for about 15 seconds, then smoothed out. The machine was
on a side hill of slight degree. This happened twice only.

The black/carbon smoke is consistant now, as if the rings were shot and oil
was leaking. But the compression is about 75, pretty good. I've not yet
pulled the jug, would like to t-shoot it a little more definitively first.

?????

"Chip Stein" wrote in message
m...
"Dandelion Acres" wrote in message
...
It's a 1-jug 16hp verticle shaft on a Wheelhorse. Blew white smoke
twice,
sputtered and then kept running normal. Now chokes black smoke and
fouling
the plug. A mechanic said something about a seal accessible from the
bottom, so I pulled the engine and saw no sign of leaking on the shaft
seal,
and the oil pump/filter O-ring looks good.

Any ideas? I've good compression and the carb appears to work fine.
This
came on suddenly.




check the intake valve adjustment.




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