Hi MM
keep the guards if you can, what causes you to have to remove them, if it is only the oil filter then just cut around it, the rest of the motor should fit. Did the Briggs come with a fuel tank, if not as the Chondas don't that becomes another issue.. If you are up to real 3D printing I think gearboxes would be high on the list of must wants. I'm sure a few other people would want those as well just to keep these simple, easily/cheaply repaired machines running. All very well to buy one of the later machines but when the hydro gives up or the deck starts to fail they are too costly/difficult for most people to repair
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