[Shop-talk] Rock 1, Mower 0 ?

[greg at gelhar.com]

> Hit a large rock the lawn mower. (Briggs & Stratton engine in a Craftsman
> (snip)
> I assume the blade has some balancing/flywheel affect but shouldn't the
> engine manually rotate 360 degrees smoothly without the blade?
>
> Ideas?
>
Depending on how hard those tight spots are, you might only be feeling the
cam lobes against the valve springs.

Greg G.
Osseo, MN