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Kohler k301s knock sometimes

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Garden Tractors
Forum Description: A great place to discuss the Simplicity and Allis Chalmers Garden Models
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=210578
Printed Date: 30 Mar 2026 at 10:00pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: Kohler k301s knock sometimes
Posted By: AllisChalmers912
Subject: Kohler k301s knock sometimes
Date Posted: 30 Mar 2026 at 6:36pm
I have a Kohler k301s out of a Allis Chalmers 912H and I just got it running again after I put a new crankshaft and new connecting rod and piston rings in it and there is a knock after it gets hot but it only does it here and there. It goes away at full throttle and at lick half throttle then comes back after a little run time. I idle it back down and it runs fine for about 15 seconds then knocks again. Anyone have any ideas?



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