| Attribute | Value |
| General |
| Production from | 2011 year |
| Make | Honda |
| Model | Honda TRX420FM |
| Category | ATV |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | 4 |
| Fuel system | Injection. Keihin 34mm throttle-body fuel-injection system |
| Engine details | Add |
| Displacement | 420 cm³ |
| Power | Add |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Liquid |
| Transmission type,final drive | Shaft drive (cardan) |
| Torque | Add |
| Bore | 86.5 mm |
| Stroke | 71.5 mm |
| Gearbox | Automatic |
| Greenhouse gases | Add |
| Fuel control | Overhead Valves (OHV) |
| Emission details | Meets California Air Resources Board (CARB) and EPA off-road emissions standards. |
| Driveline | Direct front and rear driveshafts |
| Ignition | Full-transistorized type with electronic advance |
| Clutch | Automatic |
| Lubrication system | Semi-dry-sump |
| Compression | Add |
| Exhaust system | Add |
| Chassis |
| Front suspension | Independent double-wishbone |
| Rear suspension | Swingarm with single shock |
| Front brakes | Double disc. Hydraulic |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | Add |
| Frame type | Add |
| Front tyre | 24/8-12 |
| Rear tyre | 24/10-11 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | 160 mm |
| Rear wheel travel | 160 mm |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Electric |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,255 mm |
| Kerb weight | 264.9 kg |
| Dry weight | Add |
| Power/weight ratio | Add |
| Overall height | 1,146 mm |
| Overall length | 2,055 mm |
| Overall width | 1,171 mm |
| Seat height | 823 mm |
| Alternate seat height | Add |
| Ground clearance | 231 mm |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | 3.78 l |
| Fuel capacity | 13.24 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |