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Rubicon YellowFourTrax Foreman Rubicon

The 2003 FourTrax Foreman Rubicon features a powerful 500cc engine and the revolutionary Hondamatic transmission. It is a continuously variable automatic transmission that provides quiet, maintenance-free operation in a compact, rugged design. Riders seeking a reliable automatic transmission with the power and durability of a Honda will find the FourTrax Foreman Rubicon to be the most versatile ATV available anywhere.

Features & Benefits

Unique Features

  • Honda's first liquid-cooled four-stroke ATV engine is a single-cylinder 499cc overhead-valve design that provides tremendous torque and dependable power.

  • Hondamatic(tm) transmission is a continuously variable, hydro-mechanical design that eliminates belts altogether. It is compact, quiet, maintenance-free and very rugged. The Hondamatic features true engine braking, unlike conventional belt-drive designs.

  • Full-time four-wheel drive and a unique torque-sensing, front differential provide superior traction compared to conventional limited-slip designs, and reduces torque steer substantially for less steering effort.

  • Extensive weight-saving measures keep the FourTrax Foreman Rubicon's dry weight at 600 pounds.


  • Liquid-cooled overhead-valve single-cylinder 499cc four-stroke engine is mounted longitudinally in the frame, allowing direct drive-shaft alignment to front and rear wheels for improved drivetrain efficiency.

  • Liquid-cooling provides consistent engine operating temperature in extreme conditions for maximum power output and long engine life.

  • Camshaft is located adjacent to the cylinder head, reducing engine height. Together with the external engine-oil tank, engine height is further reduced for a low center of gravity and excellent handling.

  • Four-valve cylinder head utilizes two short pushrods to provide a broad powerband for optimum performance and engine efficiency.

  • Unique dry-sump oiling system attaches the oil tank to the front of the engine cases, lowering engine height and allowing optimum engine placement for excellent ground clearance and superb handling.

  • Standard high-flow oil cooler assures optimal engine lubrication under difficult operating conditions.

  • The multiple scavenging oil system utilizes an oil pump with three sintered steel rotors (one for feed, two for scavenge) to provide a stable oil supply in diverse riding conditions.

  • Unique temperature indicator uses two sensors to monitor both oil and coolant temperature.

  • High-capacity coolant radiator is rated at 17.2 kW for efficient engine cooling in extreme operating conditions.

  • Compact, flat-shaped radiator fan motor is lightweight and contributes to optimum engine placement.

  • Rubber-cushion engine mounting and gear- driven counterbalancer reduce vibration.

  • Integral electric carburetor heater system improves driveability and ensures smooth operation in cold conditions.

  • Convenient electric starter, with auxiliary recoil starter and an automatic internal decompression system.

  • Solid-state CD ignition with electronic advance for excellent performance and reliability.

  • Stainless steel exhaust system provides superior corrosion resistance.

  • Closed crankcase vent system safeguards against engine oil contamination.

Hondamatic Transmission

  • Rubicon OliveThe Hondamatic transmission utilizes variable hydraulic pressure and mechanical torque amplification to provide seamless job-handling power and excellent acceleration. Engine power drives a hydraulic pump. The pump, in turn, drives a hydraulic motor with variable fluid capacity. Utilizing pump and motor pistons and a variable-pitch motor-side swash plate, hydraulic capacity and pressure are varied, producing continuously variable output speed. In addition, torque is increased as output-shaft speed is reduced.

  • Dash-mounted knob switches to one of three electronic shifting programs: D1 for maximum performance, D2 for maximum torque, and ESP(tm), Honda's exclusive Electric Shift Program(tm). D1 and D2 modes provide continuously variable transmission output; ESP allows the rider to "shift" the Hondamatic with the touch of a thumb using two push-buttons mounted on the left handlebar.

  • The Hondamatic is extremely efficient, with operating efficiencies ranging from 75-81 percent in full-reduction mode and from 87-92 percent when input and output speeds are the same (1:1 ratio).

  • The Hondamatic transmission is compact and maintenance-free, with no belts to wear out and replace.

  • The Hondamatic is fully sealed and impervious to external contamination.

  • The Hondamatic features true engine braking, unlike conventional belt-drive designs.

  • Versatile rider controls provide a shift lever to select Drive, Low, Neutral, and Reverse.

  • The Hondamatic uses multi-filtered (one large-capacity filter and three strainers) engine oil as hydraulic fluid, simplifying maintenance and ensuring an adequate oil supply in all operating conditions.


  • Rugged frame and suspension provide an exceptional 10 inches of ground clearance.

  • Steering mechanism design features light effort and a tight turning radius of 10.8 feet.

  • Independent double-wishbone front suspension uses premium shock absorbers to provide 6.7 inches of suspension travel for a plush, comfortable ride.

  • Steel swingarm and dual rear shock absorbers provide 6.7 inches of suspension travel for superb comfort and compliance.

  • Attractive, large-diameter 12-inch aluminum wheels reduce unsprung weight for excellent ride and handling.

  • Tough, large-diameter 25 x 8-12 front, 25 x 10-12 rear tires provide added ground clearance while maintaining precise handling.

  • Triple-sealed front hydraulic drum brakes and sealed rear mechanical drum.

Additional Features

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

  • Multi-function LCD digital instrumentation is compact, tough and waterproof, featuring large readouts for Hondamatic transmission modes, gear selector position, speedometer, odometer, resettable trip-meter and hourmeter/clock. Instrument housing includes LED lights for reverse, neutral and temperature warning indicator.

  • Waterproof accessory socket provides 12-volt, 12-amp power with a built-in temperature-type fuse.

  • Large, lightweight plastic fuel tank with 3.7-gallon capacity, including 1.0-gallon reserve.

  • Fuel gauge is standard equipment.

  • Snorkel-type air intake system is specially designed for water crossings.

  • Thickly padded seat provides all-day comfort.

  • Uniquely designed floorboards allow the rider's feet to grip the footrests while keeping mud and debris away from the rider's feet.

  • Standard over-fenders give excellent mud protection.

  • Reusable foam air filter.

  • USDA-qualified spark arrester/muffler.

  • Powerful, 330-watt AC generator.

  • Tough, 12-amp-hour maintenance-free battery.

  • Twin-headlight system features 30-watt halogen bulbs with multi-reflector lenses for optimal light distribution. Rear lighting features twin 5-watt taillights.

  • Large front and rear cargo racks are rated at 66 and 133 pounds respectively.

  • Heavy-duty trailer hitch with towing capacity of 850 pounds.

  • Unique rear-opening storage compartment allows access when rack is loaded.

  • Constant-velocity-joint boot guards help prevent damage to boot covers.

  • Durable, comfortable, easy-to-use controls.

  • Keyed ignition switch for added security.

  • Triple skidplates.

  • Easy-to-use parking brake.

  • Top-mounted choke lever for simple operation.

  • Handlebar switches, controls, indicator lights and warning labels use internationally approved ISO graphic symbols.

  • Standard tool kit includes a tire pressure gauge.

  • G.V.W.R. is 1111 pounds.

  • 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.


  • Rubicon RedModel: TRX500FA

  • Engine Type: 499cc liquid-cooled OHV dry-sump longitudinally mounted single-cylinder four-stroke

  • Bore and Stroke: 92.0mm x 75.0mm

  • Carburetion: 33.5mm CV

  • Ignition: CD with electronic advance

  • Starter: Electric with auxiliary recoil

  • Transmission: Fully automatic hydromechanical, continuously variable with electronic controls

  • Driveline: Direct front and rear drive-shafts with torque-sensing front differential

  • Suspension Front: Independent double-wishbone; 6.7 inches travel

  • Suspension Rear: Swingarm with dual shock absorbers; 6.7 inches travel

  • Brakes Front: Triple-sealed hydraulic drum

  • Brakes Rear: Sealed mechanical drum

  • Tires Front: 25 x 8-12

  • Tires Rear: 25 x 10-12

  • Length: 81.6 inches

  • Width: 46.6 inches

  • Height: 47.0 inches

  • Seat Height: 33.9 inches

  • Ground Clearance: 10.0 inches

  • Wheelbase: 50.9 inches

  • Turning Radius: 10.8 feet

  • Dry Weight: 600 pounds

  • Fuel Capacity: 3.7 gallons, including 1.0-gallon reserve

  • Colors: Red, Olive, Yellow

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