Kohler Command Pro 25 Rebuild

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09 Feb 2019 17:35 #15208 by Geno
Getting ready to go through the Kohler Command Pro 25 engine in pieces I bought the other day, it's for a special project lol. :topsecret

I'm putting it here because it is the same basic engine design as the Kohler 20HP in the 520 XI, they are even covered in the same service manual.

I have all of the covers and some other parts soaking in the parts washer. I'll be taking apart what isn't already apart and starting from the beginning then put it back like new. I also need to take a good inventory of what's there and what's missing before I make the Kohler order for gaskets, seals, pistons, rings, etc. :thumb

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09 Feb 2019 19:29 #15209 by Geno
Replied by Geno on topic Kohler Command Pro 25 Rebuild
What was in the parts washer is cleaned, dried, and what parts of it that can be blasted are ready for blasting. The parts washer has round 2 in it to soak until Monday. Looks like most of it should be cleaned up Monday as long as the front door and phone stays quiet, it may be Tuesday lol. :tounge2

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11 Feb 2019 13:20 #15210 by Geno
Replied by Geno on topic Kohler Command Pro 25 Rebuild
The 1st group of cleaned parts have been blasted. All that's left to do on this group is putting the magnets back on the flywheel, and a little cam + crank polishing. Now I'm back off to the parts washer and more scrubbing. :thumb1

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11 Feb 2019 17:04 #15211 by Geno
Replied by Geno on topic Kohler Command Pro 25 Rebuild
Group 2 is out of the parts washer, cleaned and dried. I still have to pull the heads all apart, do a better cleaning and check them out. I've also found a few broken bolts to deal with, and a lot of missing bolts I think. >(

Also... If anyone has a minute can you let me know where that 3rd valve cover is supposed to go... :rolling

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12 Feb 2019 18:54 #15212 by Geno
Replied by Geno on topic Kohler Command Pro 25 Rebuild
The block and bolts are all cleaned up and blasted so the cleaning is done. :woo

Now I'm on to making a list of all the missing bolts and such, that's the bad about buying engines in boxes. :doh

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13 Feb 2019 14:31 #15213 by Geno
Replied by Geno on topic Kohler Command Pro 25 Rebuild
Just got done gluing the magnets back on the flywheel.

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16 Feb 2019 17:34 #15219 by Geno
Replied by Geno on topic Kohler Command Pro 25 Rebuild
The flywheel epoxy is set up and making some plastic parts look a little better today. :thumb1

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19 Feb 2019 08:46 #15223 by GT 14
Replied by GT 14 on topic Kohler Command Pro 25 Rebuild
J B weld? That's my go to goo. :guns1

1969 GT-18
1978 C-101
1983 C-225

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19 Feb 2019 10:32 #15224 by Geno
Replied by Geno on topic Kohler Command Pro 25 Rebuild
Yep, that what I used. :thumb1

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26 Feb 2019 19:02 - 26 Feb 2019 19:05 #15246 by Geno
Replied by Geno on topic Kohler Command Pro 25 Rebuild
Kohler order came in today. I don't know whether to be excited or not... That many Kohler packages don't come cheap so I guess I'll be excited now and less excited when the bill comes in next month. I'm just blessed to be a dealer or I would be an unhappy camper lol. :yank :laughing

Among the mess I got into here are 2 new heads, 1 valve cover, the entire valve train (valves, springs, pushrods, lifters, rockers, and all bolts + keepers), pistons, rings, gaskets, governor kit + gear, several shims, several special bolts, a few choke + throttle linkage parts, air filter kit, breather hose, and some other little things. One thing is for sure, it will be done right. :thumb1

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Last edit: 26 Feb 2019 19:05 by Geno.

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