how to make a steering for a go kart - Google Search
go kart steering wheel - Google Search
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discussion. stepped spindles+hubs - DIY Go Kart Forum
How to Make Your Own Go Kart Steering Parts
Go Kart Steering Plans - Tie Rod and Pitman Arm
Frame Plans. Could learn from this article when building my own. Must be done!
Build Your Own Go Kart: Front Wheel/Steering Assembly