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Kohler compression release
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DeadCarp    Posted 08-10-2003 at 20:00:32       [Reply]  [No Email]
Got a 10-horse Kohler on an old Wheel Horse, it's been setting 10 years and now the darn thing spions but hates to start. I'm thinking compression release but don't know the theory behind this one. Any suggestions?

Bob    Posted 08-10-2003 at 21:50:59       [Reply]  [No Email]
The compression release is a little "lever" on the cam that catches the exhaust valve tappet on the compression stoke, and "blips" the exhaust valve open for a short time, relieving some of the compression. When the engine starts, a weight moves, and allows the mechanism to move out of the way, and not contact the exhaust valve tappet.

Unless the engine has been apart, and the little "lever" grossly bent, I doubt the ACR is causing your "no-start" condition.

Bob /Ont.    Posted 08-10-2003 at 20:35:06       [Reply]  [Send Email]
It has a governor set of flyweights to allow easy cranking up to starting speed then it lets go and comes onto compression to fire.
Later Bob

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