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Hello everybody, I am preparing to put a Kohler 27 hp engine into my 422. The deisel option ended up being very expensive ($5k+) and is therefore beyond my budget and not very cost effective when compared to the 1430. The Kohler drawings are less than complete. If I could get some...

The battery in the 422 is shot. A casual inspection does not reveal an easy way to remove the battery. Unfortunately, the battery will require replacement in advance of the engine upgrade. Any suggestions? bullitt

It appears I will be installing a 27 or 28 hp Koher into the 422 as posted ealier. I am considering documenting the conversion and making it into a kit, using largely commercial parts at about $2k. However, there is no point in doing this is there is not a market for it that will cover my...

I have decided I wish to replace the Robin engine (20 hrs) in my 422 with the Kohler. My starting problem is fixed, but it just does not have enough torque for my liking and my hills. I contacted power trac for pricing on parts for the conversion. While PT was helpful, the price for the Kohler...

Myself and a friend both bought a 422s and are using them in the Pittsburgh area. Both refused to start around freezing or below, which has been a huge PIA. Here is what we have learned as we pursued this in parrallel- Changed to Autolite 64 plugs - small improvement. Initally Robin America...