Mud wasps cause a no start.
The fuel pump won't work if the
crankcase pressure can't escape
.
Believe It Or Not
I've see lots
of broken
rods but not
too many
that are split
from end to
end.
TIME TO CHANGE OIL??
This cam came out of an engine that had
a very popular karting oil in it. it sat on
the shelf for over a year.
Some of these oils are hygroscopic (the
absorb moisture)
It's pretty easy to tell how high the oil was
in the crankcase.