Dixie Chopper Magnum, 2550KO.

The manual I found for the Confidant zt710-740 says there is a release. The zt740 is a 25hp Confidant, which matches the motor, though I don't have the model off the motor. If nothing else, when I do the valves, I can check for the release function. I found several saying it could be valve adjustment, compression release, or valve guide.

Manual is here, https://resources.kohler.com/power/kohler/enginesUS/pdf/16_690_01_EN.pdf
 
So, what is the model number of the engine on the mower? Model and spec. number please
 
I don't have it. I thought I had a picture with it, but I don't. I will get it next Saturday when I go cut grass. If you zoom in, it looks like it says ZT740.

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Is it on one of the smaller ones? The Kohler manual I found covers 710-740, and mentions it, but does not specify models for the ACR. I couldn't find a manual on the 740, just one for the group. My plan regardless is to adjust the valves and go from there. Thanks again.
 
You need a 300 CCA battery and the valves should be adjusted every 400 hours (0.004 - 0.006).
 
I'll check the battery. It's maybe 2 years old, don't know CCA. Starter was replaced around a year ago when it would not start at all. It has done this for a while, but would usually start after a couple tries. It has gotten worse. Adjusting the valves maybe next week, though that's a cutting week. I've been cutting this property with this mower for around 3 years, and the valves haven't been touched. Thanks again guys
 
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