On Fri, 04 May 2012 09:23:55 -0700, stryped wrote:

I dont know where to turn. I have a kohler 20 horse CV 624 motor from a
lawn mower. The rod broke and I replaced it. It now startes but revs so
high immediately I have to shut it down because I am afraid it will blow
up. I adjust the idle screw and it did fine for a minute then went bacl
to the high idle. I adjusted the govenor per the manual and this did not
help.

Any advice? I tried to not disturn the internal govenor when I tool the
old rod out. It looked like a plastic gear of some sort. To be honest,k
I dont 100% understand how the govenor works at least the internal
portion.

The govenor and idleing worked fine before I replaced the broken rod.

I am at a loss. I appreciate any help!

I'm almost certain that, one way or another, you've screwed up the
governor.

It could well be that when the rod broke it took out some part of the
internal governor with it; if that's the case then even if you faithfully
rebuilt exactly what you started with, you'd still be screwed.

I don't know the particulars of small engine governors, but in general
they have some way of measuring speed (either centrifugal or by wind
resistance), and when the speed is high they back off the throttle.
Whatever is in your engine, that's what you should be able to see.

A factory manual on the thing would probably be a huge help, and may be
available on the Internet. I'd start by matching what I have with what
the drawing says I should have, part by part. If that didn't bear fruit,
I'd call an acquaintance of mine who does small engine work when he's
bored or feeling generous, and see if he'd look at it.

--
My liberal friends think I'm a conservative kook.
My conservative friends think I'm a liberal kook.
Why am I not happy that they have found common ground?

Tim Wescott, Communications, Control, Circuits & Software
http://www.wescottdesign.com