| MODEL | YAMAHA TDM 850 1999 - 2001 |
| Year | 1999 - 2001 |
| Engine Type | Four-stroke, parallel twin, DOHC, 5 valves per cylinder |
| Displacement / Capacity | 849 cc / 51.8 cu in |
| Bore X Stroke | 89.5 x 67.5 mm |
| Compression Ratio | 10.5:1 |
| Cooling System | Liquid cooled |
| Max Power | 56.1 kW / 77 hp @ 7500 rpm (75 hp at rear wheel) |
| Max Torque | 80.4 Nm / 59.2 lb-ft @ 6000 rpm |
| Ignition | Digital TCI |
| Induction | 2 x Mikuni BDSR38 carburettors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | 43 mm conventional fork, preload and rebound adjustable |
| Rear Suspension | Single De Carbon shock, preload and rebound adjustable |
| Front Brakes | 2 x 298 mm discs, 4-piston calipers |
| Rear Brakes | Single 245 mm disc, 2-piston caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 800 mm / 31.5 in |
| Wheelbase | 1470 mm / 57.9 in |
| Ground Clearance | — |
| Dry Weight | 201 kg / 449.7 lb |
| Wet Weight | 220 kg / 485 lb |
| WHEEL SPECS | |
| Front Tyre | 110/80 ZR18 |
| Rear Tyre | 150/70 ZR17 |
| FUEL SYSTEM | |
| Fuel Capacity | 20 Litres / 5.2 US gal |
| Fuel Consumption | 38 mpg |
| Top Speed | 208 km/h / 129.2 mph |
The last years of the 270-degree TDM 850 changed little mechanically. Per Wikipedia, the main running change in 1999 was a fuel gauge replacing the coolant temperature gauge. It remained a tall, practical road bike with light off-road capability.
