Simplicity Sunstar
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=212612
Printed Date: 26 Oct 2026 at 1:12pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Simplicity Sunstar
Posted By: john2189
Subject: Simplicity Sunstar
Date Posted: 26 Oct 2026 at 11:39am
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Kohler CH 20 always back fires when I shut it off. Does not matter if I let idle for a minute or shut off 1/2 or full throttle. The valve on the carburetor does click when I turn the key on and off. Do I need a colder spark plug? It has the same plug number as the original. ------------- '41 Allis B '49 Farmall Cub |
Replies:
Posted By: 55allis
Date Posted: 26 Oct 2026 at 12:17pm
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Have a kohler command that does that too, most of the time enough time to get off the machine and scare the crap out of you. Has the same plugs as original so maybe coil has enough energy for one more spark? ------------- 1955 AC WD45 diesel with D262 repower, 1949 AC WD, 1963 A-C D17 series 3, several Allis garden tractors 
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Posted By: john2189
Date Posted: 26 Oct 2026 at 12:26pm
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Yes, very loud. ------------- '41 Allis B '49 Farmall Cub |