- Engine Type: 420cc liquid-cooled fuel-injected OHV wet-sump longitudinally mounted single-cylinder four-stroke
- Bore And Stroke: 86.5mm x 71.5mm
- Induction: Keihin 34mm throttle-body fuel-injection system
- Ignition: Full-transistorized type with electronic advance
- Starter: Electric with optional auxiliary recoil
- Clutch: Automatic
- Transmission: Five-speed with Reverse
- Driveline: Direct rear driveshaft
Chassis / Suspension / Brakes
- Front Suspension: Independent double-wishbone; 6.3 in. travel
- Rear Suspension: Swingarm with single shock; 6.3 in. travel
- Front Brakes: Dual hydraulic disc
- Rear Brake: Sealed mechanical drum
- Front Tire: 24 x 8-12
- Rear Tire: 24 x 10-11
- Length: 80.9 in.
- Width: 46.1 in.
- Height: 45.1 in.
- Wheelbase: 49.2 in.
- Seat Height: 32.4 in.
- Ground Clearance: 6.5 in.
- Turning Radius: 8.9 ft.
- Curb Weight: 584 lbs. (Includes all standard equipment, required fluids and a full tank of fuel—ready to ride)
- Fuel Capacity: 3.5 gal. (including 1.0 gal. reserve)
- Note: No operator under age 16. Honda recommends that all ATV riders take a training course and read their owner's manual thoroughly.
- Emissions: Meets current California Air Resources Board (CARB) and EPA off-road emissions standards.
- Available Colors: Red, Olive
- Model Id: TRX420FM
Factory Warranty Information
- Duration: One year
- Description: Transferable limited warranty; extended coverage available with a Honda Protection Plan.