| 2008 TRX400EX Sportrax | |
| Engine Type: | 397cc RFVC air-cooled dry-sump single-cylinder four-stroke |
| Bore and Stroke: | 85.0mm x 70.0mm |
| Carburetion: | 38mm piston-valve with accelerator pump |
| Ignition: | CD with electronic advance |
| Clutch: | Manual |
| Starter: | Electric |
| Transmission: | Five-speed with reverse |
| Driveline: | O-ring-sealed chain |
| Front Suspension: | Independent, double-wishbone with Showa shocks, five-position spring-preload adjustability; 8.2-inch travel |
| Rear Suspension: | Pro-LinkŪ fully adjustable single Showa shock; 9.1-inch travel |
| Front Brakes: | Dual hydraulic 174mm discs |
| Rear Brakes: | Single 220mm disc |
| Front Tire: | 22 x 7-10 knobby radial |
| Rear Tire: | 20 x 10-9 knobby radial |
| Length: | 72.2 inches |
| Width: | 45.3 inches |
| Height: | 43.7 inches |
| Wheelbase: | 48.4 inches |
| Seat Height: | 31.9 inches |
| Ground Clearance: | 4.3 inches |
| Turning Radius: | 10.5 feet |
| Curb Weight: | 410 pounds with all fluids |
| Fuel Capacity: | 2.6 gallons, including 0.4-gallon reserve |
| Colors: | Red/Black, Black/White |