Even with free plans, keep a build log. Tracking your measurements and parts will save hours during the assembly phase.
This is the magic of the crosskart. Plans must state the exact distance between the upper and lower A-arm mounts. A 1/4 inch error here causes bump steer (the steering wheel jerks when you hit a bump). Crosskart Plans Pdf Free
Install the engine cradle and steering rack. Use the PDF's "Driveline Angle" page to align the sprocket. Even with free plans, keep a build log
Print the PDF at 1:1 scale on a wide-format printer. Tape the side view to your garage wall. Buy 200 feet of 1.5" x .095" DOM tube. Even with free plans