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Honda
TRX400EX

400EX Red
400EX Red

400EX White
400EX White

The sporty TRX400EX delivers a blend of aggressive styling and high performance along with a refined design and amenities such as Reverse gear and electric starting.

New for 2008

  •  New colors Red/Black, Black/White
  • Edgy new bodywork transforms the look of this bulletproof Sportrax and provides unsurpassed splash protection.
  • Wider seat with a narrower seat/tank junction improves ergonomics even more.
  • Revised suspension settings and a lighter clutch pull for all-day riding comfort.
  • New high visibility, long life LED brakelight and taillight.

Features & Benefits

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.

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.
  • 38mm carburetor provides light throttle effort, superb air/fuel mixing and drivability. 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.

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 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.
  •  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 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 design.
  • Durable plastic fuel tank.
  • Dual 30-watt headlights integrated into front cowl provide distinctive sport style and excellent function.
  • LED rear brakelight 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 skid-plates protect engine cases, rear brake disc and sprocket.
  • 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 tire-pressure air gauge and owner's manual.
  • Assembled in Timmonsville, South Carolina.
  • Transferable one-year limited warranty; extended coverage available with a Honda Protection Plan.
  • Purchase of a new, previously unregistered Honda USA-certified unit by an individual retail user in the United States qualifies the owner for a one-year complimentary membership in the Honda Rider's Club of America® (HRCA®). Visit www.hrca.honda.com for details.

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: 38mm piston-valve with accelerator pump
Ignition: CD with electronic advance
Starter: Electric
Clutch: Manual
Transmission: ESP five-speed with Reverse
Driveline: O-ring-sealed chain
Suspension 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
Brakes Front: Dual hydraulic 174mm discs
Rear: Single 220mm disc
Tires Front: 22 x 7-11 knobby radial
Rear: 20 x 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: Red/Black, Black/White
Curb Weight*: 410 pounds

*Includes all standard equipment, required fluids and a full tank of fuel-ready to ride.
For highly experienced riders 16 years of age and older.


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