The highly acclaimed Sportrax 400EX
dominates the competition.
Features & Benefits
New for 2001
Team Honda-inspired graphics.
New bold Yellow color.
The most powerful four-stroke engine ever in a
Honda ATV, the 397cc RFVCͺ engine draws its breath
from the same engine that powers the bulletproof
The ultra-lightweight TRX400EX weighs only 374.7
Long-travel suspension exceeds that of even Honda's
Rugged steel frame with removable subframe for
Beautiful one-piece cast aluminum swingarm offers
Radial tires for exceptional handling.
Triple disc brakes provide superb stopping power.
Aggressive body style complements the all-sport
High-performance 397cc dry-sump air-cooled four-stroke
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 ventilation system safeguards
against engine oil contamination.
35.5mm carburetor provides light throttle effort,
superb air/fuel mixing and excellent drivability.
An accelerator pump assures excellent throttle response
for maximum power.
Stainless steel dual exhaust headpipes resist
USDA-qualified muffler/spark arrester offers quiet
operation and maximum power.
Solid-state CD ignition with electronic advance
and 9100-rpm engine rev limiter.
Five-speed transmission with gears designed and
ratios selected specifically for sport ATV use.
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.
Convenient push-button electric starting.
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 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
Easy-to-use eccentric chain adjuster.
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
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.
Keyed ignition switch offers added security.
Multi-function handlebar switch assembly is simple
Easy-to-use parking brake.
Tool kit includes low-pressure air gauge and owner's
Assembled in Timmonsville, South Carolina.
Transferable six-month limited warranty.
Engine Type: 397cc RFVC air-cooled dry-sump
Bore and Stroke: 85mm x 70mm
Carburetion: 35.5mm piston-valve with accelerator
Ignition: Solid-state CD with electronic
Driveline: O-ring-sealed chain
Front: Independent double-wishbone with Showa shocks, five-position
spring preload adjustability; 8.2 inches travel
Rear: Pro-Link single Showa shock with spring preload
adjustability; 9.1 inches travel
Front: Dual hydraulic 174mm discs
Rear: Single 220mm disc
Front: 22 x 7-10 knobby radial
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: 374.7 pounds
Fuel Capacity: 2.6 gallons, including 0.4-gallon
Colors: Red, Yellow
For highly experienced riders 16 years of age