2009 Honda TRX400X - Features & Benefits

Featuring a blend of aggressive styling and high performance, the sporty TRX400X also offers a refined design and thoughtful rider amenities such as Reverse gear and electric starting.

New for 2009

  • New Black color joins Red/Black, Black/White.

Unique Features

  • The 397cc RFVC engine draws its breath from the same engine that powered the bulletproof XR400R.
  • Rugged steel frame with removable subframe for easy maintenance.
  • Beautiful one-piece cast-aluminum swingarm offers exceptional rigidity.
  • Radial tires for exceptional handling.
  • Triple disc brakes provide superb stopping power.
  • Aggressive body style complements the all-sport appearance.


  • High-performance, 397cc, dry-sump, air-cooled, four-stroke, single-cylinder engine.
  • Radial Four-Valve Combustion Chamber (RFVC) for maximum combustion efficiency and horsepower.
  • Camshaft timing developed especially to meet ATV requirements for torque and useable horsepower.
  • Gear-driven counterbalancer minimizes engine vibration for smooth operation.
  • Dual intake and exhaust ports for maximum engine efficiency in sport operating conditions.
  • Maintenance-free automatic cam-chain tensioner.
  • Closed-crankcase vent system safeguards against engine oil contamination.
  • 38mm carburetor provides light throttle effort, superb air/fuel mixing and driveability. An accelerator pump ensures excellent throttle response for maximum power.
  • Stainless-steel dual exhaust header pipes resist corrosion.
  • USDA-qualified muffler/spark arrester offers quiet operation and maximum power.
  • CD ignition with electronic advance and 9100-rpm engine rev limiter.
  • Heavy-duty clutch has 2mm-thick plates designed to stand up to sport-ATV demands.
  • High-efficiency oil cooler supplements the large-capacity oil tank for maximum engine cooling.
  • Five-speed transmission with Reverse has gears and ratios specifically designed for sport-ATV use.


  • Round-tube steel frame with removable subframe is lightweight, durable and very strong.
  • One-piece cast-aluminum swingarm for maximum strength, rigidity and durability.
  • Independent double-wishbone front suspension offers 8.2 inches of travel from twin Showa shock absorbers with five-position adjustable spring preload for superb ride quality over harsh terrain.
  • Pro-Link® rear suspension with a fully adjustable large-diameter aluminum-body piggyback Showa shock absorber provides 9.1 inches of travel (see Technology Section).
  • Triple disc brakes feature excellent stopping power and a weight-saving aluminum rear caliper stay.
  • Aluminum Pro-Link components further reduce vehicle weight.
  • Lightweight aluminum wheels reduce unsprung weight for even better handling.
  • Radial tires with knobby pattern provide superb traction and cornering ability.
  • Durable and heavy-duty O-ring-sealed drive chain.
  • Easy-to-use eccentric chain adjuster.

Additional Features

  • Convenient pushbutton electric starting.
  • Long, narrow seat provides excellent comfort and superb sport riding ergonomics.
  • Aggressive styling of front cowl, fuel tank and fenders complements pure-sport design.
  • Durable plastic fuel tank.
  • Dual 30-watt headlights integrated into front cowl provide distinctive sport style and excellent function.
  • LED rear brake light and taillight for high visibility and long life.
  • Snorkel-type airbox to avoid contamination from water and dirt.
  • Washable, two-stage, large-capacity foam air filter.
  • Oil tank features a dipstick for easy maintenance.
  • Comfortable dogleg levers; clutch lever has cable adjuster and dust cover.
  • High-impact plastic skidplates protect engine cases, rear brake disc and sprocket.
  • Rear mudguard with rigid footrests.
  • Maintenance-free battery.
  • Keyed ignition switch offers added security.
  • Multifunction handlebar switch assembly is simple to operate.
  • Easy-to-use parking brake.
  • Tool kit includes tire-pressure gauge and owner's manual.
  • Assembled in Timmonsville, South Carolina.
  • Transferable one-year limited warranty; extended coverage available with a Honda Protection Plan.
  • When you buy a new Honda Powersports Product, you may be eligible to receive a complimentary one year membership in the Honda Riders Club of America, which includes an exclusive Members-only magazine, rider training benefits, access to the Members-only Clubhouse website and much more. Some limitations apply. For more information on the HRCA, log on to hrca.honda.com.

Honda Genuine Accessories

  • Flag Kit.
  • Front Bumper (MX type).
  • Front Bumper (GNCC type).
  • Frame Skid Plate.
  • Swingarm Skid Plate.
  • A-Arm Guards (front).
  • Nerf Bars.
  • Shock Covers.
  • ATV Cover.