Why the ATC 70 Motor is Still the King of Mini Trikes

If you're lucky enough to have an atc 70 motor sitting on your workbench right now, you know exactly why these things have such a massive cult following decades after they stopped rolling off the assembly line. There's just something about that little horizontal single-cylinder heart that refuses to die. It's small, it's simple, and honestly, it's probably one of the most over-engineered pieces of machinery Honda ever put out for kids. Whether you're restoring a 1973 "US90" style frame or building a custom pit trike, that motor is the centerpiece that makes the whole experience worth it. ...

May 1, 2026 · 7 min · Esquivel Nazira