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2009 Honda TRX400X
2009 Honda TRX400X

2009 Honda TRX400X
2009 Honda TRX400X

– 2009 Honda TRX400X

2009 Honda TRX400X

The TRX400X strikes an excellent balance between all-out, race-ready performance, reliability, and sport ATV riding ergonomics. Its legendary SOHC, 397cc, air-cooled, dry-sump RFVC Honda engine combined with triple-disc brakes, long-travel, Baja-ready Pro-Link® suspension, standard reverse, one-thumb electric start and radical race-style bodywork, means you’re looking at a machine that’s just as dedicated as you are.

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.

Features & Benefits

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

– Engine design meets California Air Resources Board (CARB) off-road emissions standards.

– 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

Honda Genuine Accessories

– Flag Kit.


2009 Honda TRX400X – USA Specifications
American MSRP $6,149 USD

Model: TRX400X

Engine Type: 397cc RFVC air-cooled dry-sump single-cylinder four-stroke

Bore and Stroke: 85mm x 70mm

Induction: 38mm piston-valve with accelerator pump

Ignition: CD with electronic advance

Starter: Electric

Clutch: Manual

Transmission: Five-speed with Reverse

Driveline: O-ring-sealed chain

Front: Independent double-wishbone with Showa shocks, five-position spring preload adjustability; 8.2 inches travel
Rear: Pro-Link fully adjustable single Showa shock; 9.1 inches travel

Front: Dual hydraulic 174mm discs
Rear: Single 220mm disc

Front: 22×7-10 knobby radial
Rear: 20×10-9 knobby radial

Length: 71.7 inches

Width: 45.5 inches

Height: 44.0 inches

Seat Height: 32.9 inches

Ground Clearance: 4.1 inches

Wheelbase: 47.9 inches

Turning Radius: 10.5 feet

Fuel Capacity: 2.6 gallons

Colors: Black, Red/Black, Black/White

Curb Weight*: 410 pounds

*Includes all standard equipment, required fluids and full tank of fuel–ready to ride.

For highly experienced riders 16 years of age and older.


2009 Honda TRX400X – Canada Specifications
Canadian MSRP $0 CDN

Model not available in Canada