2001 Honda® 400 EX

The 2001 Honda TRX400EX stands as a hallmark of the sport ATV category—an era-defining machine that continues to enjoy popularity even decades after its release. Honda designed the 400EX with a simple philosophy in mind: create a dependable, capable, and fun ATV that’s approachable for beginners yet satisfying for seasoned riders. That mission was fully realized in the 400EX, which balances reliability, performance, and ease of use in a nearly perfect package for trail riding and recreational off-road use.

At the heart of its success is the air-cooled 397cc four-stroke engine. While not the fastest in its class, it offers smooth and predictable power delivery—ideal for technical trail riding, open-field acceleration, and moderate sport use. Its engine design, borrowed and refined from the legendary XR400 dirt bike, is famous for being bulletproof. Owners routinely report 400EX models running strong for decades with minimal mechanical issues, making it a top choice for anyone seeking a worry-free ATV experience.

Its suspension setup—double A-arms in the front and a Pro-Link rear—delivers comfort and confidence across a variety of terrain types. Whether you’re navigating tight woods, climbing steep hills, or tackling rough trails, the 400EX remains composed and manageable. While modern sport ATVs now offer higher travel, liquid cooling, and fuel injection, the 400EX still holds its own thanks to thoughtful engineering and a durable chassis. Riders can upgrade shocks or tires for more aggressive use, but many find the stock setup more than adequate.

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