| General information |
| Model: | Yamaha TRX 850 |
| Year: | 1999 |
| Category: | Naked bike |
| Engine and transmission |
| Displacement: | 849.00 ccm (51.81 cubic inches) |
| Engine type: | Twin |
| Stroke: | 4 |
| Power: | 83.00 HP (60.6 kW)) @ 7500 RPM |
| Torque: | 87.00 Nm (8.9 kgf-m or 64.2 ft.lbs) @ 6000 RPM |
| Compression: | 10.5:1 |
| Bore x Stroke: | 89.5 x 67.5 mm (3.5 x 2.7 inches) |
| Valves per cylinder: | 5 |
| Starter: | Electric |
| Cooling system: | Liquid |
| Gearbox: | 5-speed |
Transmission type final drive: | Chain |
| Physical measurements |
| Weight incl. oil, gas, etc: | 209.0 kg (460.8 pounds) |
| Front percentage of weight: | 48.4 |
| Seat height: | 800 mm (31.5 inches) If adjustable, lowest setting. |
| Wheelbase: | 1,435 mm (56.5 inches) |
| Chassis and dimensions |
| Front Suspension travel: | 120 mm (4.7 inches) |
| Rear Suspension travel: | 130 mm (5.1 inches) |
| Front tyre dimensions: | 120/60-ZR17 |
| Rear tyre dimensions: | 160/60-ZR17 |
| Front brakes: | Dual disc |
| Front brakes diameter: | 298 mm (11.7 inches) |
| Rear brakes: | Single disc |
| Rear brakes diameter: | 245 mm (9.6 inches) |
| Speed and acceleration |
| Top speed: | 218.0 km/h (135.5 mph) |
| 0-100 km/h (0-62 mph): | 3.700 seconds |
| 60-140 km/h (37-87 mph), highest gear | 11.600 seconds |
| Other specifications |
| Fuel capacity: | 18.00 litres (4.76 gallons) |
| Fuel consumption pr. 10 km (6.2 miles): | 0.58 litres (0.15 gallons) |