| MODEL | YAMAHA TDM 850 1991 - 1992 |
| Year | 1991 - 1992 |
| 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 | 9.2:1 |
| Cooling System | Liquid cooled |
| Max Power | 56.1 kW / 77 hp @ 7500 rpm (55.8 kW / 74.9 hp at rear wheel) |
| Max Torque | 75.5 Nm / 55.6 lb-ft @ 6000 rpm |
| Ignition | Digital |
| Induction | 2 x Mikuni BDST88 carburettors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | 41 mm telehydraulic fork, preload and rebound adjustable, 160 mm / 6.2 in travel |
| Rear Suspension | Monocross single gas-oil shock, preload and rebound adjustable, 140 mm / 5.5 in travel |
| 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 | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 199 kg / 438.7 lb |
| Wet Weight | 219 kg / 482.8 lb |
| WHEEL SPECS | |
| Front Tyre | 110/80-18 |
| Rear Tyre | 150/70-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 18 Litres / 4.7 US gal |
| Fuel Consumption | 15.5 km/l |
| Top Speed | 209.1 km/h / 129.8 mph |
The first TDM 850 was a road-biased offspring of the Super Ténéré, using an 849 cc five-valve parallel twin with balance shafts in a tall, long-travel chassis. It offered upright ergonomics, strong mid-range torque and light off-road ability. Sold well in Europe but poorly in the US.
