Sportrax 400EX

The 2003 Sportrax 400EX dominates the competition with superb performance and handling.

Features & Benefits

New for 2003

• New Honda Racing-inspired graphics.

• New Red seat on Red model.

Unique Features

• The 397cc RFVC(tm) engine draws its breath from the same engine that powers the bulletproof XR400R.

• The ultra-lightweight TRX400EX weighs only 375 pounds.

• Long-travel suspension exceeds that of even Honda's legendary TRX250R.

• 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.

Engine/Drivetrain

• 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.

• 35.5mm carburetor provides light throttle effort, superb air/fuel mixing and excellent driveability. An accelerator pump assures excellent throttle response for maximum power.

• Stainless steel dual exhaust headpipes resist corrosion.

• USDA-qualified muffler/spark arrester offers quiet operation and maximum power.

• Solid-state 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 gears designed and ratios selected specifically for sport ATV use.

Chassis/Suspension

• 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(r) shock absorbers with five-position adjustable spring preload for superb ride quality over harsh terrain.

• Pro-Link(r) rear suspension with a fully adjustable large-diameter aluminum-body piggyback Showa shock absorber provides 9.1 inches of travel.

• Triple disc brakes for excellent stopping power and a weight-saving aluminum rear caliper stay.

• All Pro-Link components are made of aluminum to 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 lightweight heavy-duty O-ring-sealed drive chain.

• Easy-to-use eccentric chain adjuster.

Additional Features

• Engine design produces low emissions and meets California Air Resources Board (CARB) off-road emissions standards.

• Convenient push-button 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 ATV design.

• Plastic fuel tank is durable and won't rust.

• Dual 30-watt headlights integrated into front cowl provide distinctive sport style and excellent function.

• Snorkel-type airbox to avoid water and dirt contamination.

• 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.

• Tough steel front skidplate.

• Heavy-duty steel skidplate protects rear brake disc and sprocket.

• Engine cases protected by a tough urethane skidplate.

• Rear mudguard with rigid footrests.

• Maintenance-free battery.

• Keyed ignition switch offers added security.

• Multi-function handlebar switch assembly is simple to operate.

• Easy-to-use parking brake.

• Tool kit includes low-pressure air gauge and owner's manual.

• Assembled in Timmonsville, South Carolina.

• Transferable six-month limited warranty.

• Ownership includes one-year complimentary Membership in the Honda Rider's Club of America(tm). Benefits include discounts, travel benefits, roadside assistance and much more. For HRCA(r) details, call 1-800-847-HRCA.

Available Accessories

• Flag kit.

Specifications

• Model: TRX400EX

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

• Bore and Stroke: 85mm x 70mm

• Carburetion: 35.5mm piston-valve with accelerator pump

• Ignition: Solid-state CD with electronic advance

• Starter: Electric

• Clutch: Manual

• Transmission: Five-speed

• Driveline: O-ring-sealed chain

• Suspension Front: Independent double-wishbone with Showa shocks, five-position spring preload adjustability; 8.2 inches travel

• Suspension Rear: Pro-Link fully adjustable single Showa shock; 9.1 inches travel

• Brakes Front: Dual hydraulic 174mm discs

• Brakes Rear: Single 220mm disc

• Tires Front: 22 x 7-10 knobby radial

• Tires Rear: 20 x 10-9 knobby radial

• Length: 72.2 inches

• Width: 45.3 inches

• Height: 43.7 inches

• Seat Height: 31.9 inches

• Ground Clearance: 4.3 inches

• Wheelbase: 48.4 inches

• Turning Radius: 10.5 feet

• Dry Weight: 375 pounds

• Fuel Capacity: 2.6 gallons, including 0.4-gallon reserve

• Colors: Red, Yellow

FOR HIGHLY EXPERIENCED RIDERS 16 YEARS OF AGE AND OLDER.