Yamaha TDM850: review, history, specs

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Production: 1991-2001

Successor: Yamaha TDM900

Models
Yamaha TDM850 (Japan, Europe, Oceania, USA) 1991-1995	Yamaha TDM850 (Japan, Europe, Oceania) 1996-2001
Yamaha TDM 850 ('91-95)	Yamaha TDM 850 ('96-01)

History[edit | edit source]

History
Year	Country	Name / Frame / Engine
1991	Europe, Oceania	Name: Yamaha TDM850 Code: 3VD1, 3VD2, 4CF1, 4CM1, 4CN1
1992	Europe, Oceania, Japan, USA	Name: Yamaha TDM850 Code: 3VD3, 3VD4, 4CF2, 4CM2, 4CN2, 4DT3, 4EP1 TDM850D, TDM850DC - USA
1993	Europe, Oceania, Japan, USA	Name: Yamaha TDM850 Code: 3VD5, 3VD6, 4CF3, 4CM3, 4CN3, 4EP2 TDM850E, TDM850EC - USA
1994	Europe, Oceania, Japan	Name: Yamaha TDM850 Code: 3VD7, 3VD8, 4CF4, 4CM4, 4CN4, 4EP3
1995	Europe	Name: Yamaha TDM850 Code: 3VD9, 3VDA, 4CM5, 4CN5
1996	Europe, Japan	Name: Yamaha TDM850 Code: 4TX1
1997	Europe, Japan	Name: Yamaha TDM850 Code: 4TX2, 5AR1
1998	Europe, Japan	Name: Yamaha TDM850 Code: 4TX3, 5AR2, 5GG1
1999	Europe, Japan, Oceania	Name: Yamaha TDM850 Code: 4TX4, 4TX5, 5GG2
2000	Europe, Japan, Oceania	Name: Yamaha TDM850 Code: 4TX6, 4TX7
2001	Europe, Japan, Oceania	Name: Yamaha TDM850 Code: 4TX8, 4TX9

Specifications[edit | edit source]

Yamaha TDM850: specs.

Specifications
DIMENSIONS	Overall length	2165 mm / 85,2 in
	Overall width	790 mm / 31,1 in
	Overall height	1285 mm / 50,6 in
	Seat height	805 mm / 31,7 in
	Wheelbase	1475 mm / 58,1 in
	Ground clearance	165 mm / 6,5 in
	Dry weight
	Curb (wet) weight	229 kg / 487 lbs 232 kg / 511 lbs - TDM850 (’98-01)
FRAME	Type	Diamond (steel)
	Front suspension, travel	41 mm telescopic fork (adjustable), 149 mm / 5,86 in – TDM850 (’91-95) 43 mm telescopic fork (adjustable), 149 mm / 5,86 in – TDM850 (’96-01)
	Rear suspension, travel	Swingarm with mono-shock, 144 mm / 5,66 in Adj.: spring pre-load, rebound damping
	Front tire size	110/80ZR-18
	Rear tire size	150/70ZR-17
	Front brake	Double disc, 298 mm, 4-piston caliper
	Rear brake	Single disc, 245 mm, 2-piston caliper
	Fuel capacity	18,0 l / 4,75 US gal – TDM850 (’91-95) 20,0 l / 5,28 US gal (incl. reserve – 3,0 l) – TDM850 (’96-01)
	Trail	103 mm / 4,05 in
	Fuel economy	6,1 l / 100 km (39,0 mpg)
ENGINE	Type	Liquid-cooled 4-stroke
	Cylinder arrangement	2-cylinders in-line
	Bore & Stroke	89,5 x 67,5 mm
	Displacement	849 cm³ (51,80 cu in)
	Compression ratio	10.5:1
	Valve train	Chain driven DOHC, 5 valves per cylinder
	Max. power	77,0 hp (56,6 kW) / 7500 rpm – TDM850 (’91-95) 80,2 hp (59,0 kW) / 7500 rpm – TDM850 (’96-98) 83,0 hp (61,0 kW) / 7500 rpm – TDM850 (’99-01)
	Max. torque	75,5 Nm (7,6 kg-m) / 6000 rpm – TDM850 (’91-95) 76,8 Nm (7,7 kg-m) / 6000 rpm – TDM850 (’96-98) 80,4 Nm (8,1 kg-m) / 6000 rpm – TDM850 (’99-01)
	0 to 100 km/h	3,8 sec
	Top speed	202 kmh / 125 mph
CARBURETION SYSTEM	Type	Carburetor, 2x Mikuni BDST38 – TDM850 (’91-97) Carburetor, 2x Mikuni BDSR38 – TDM850 (’98-01)
CARBURETION SYSTEM	ID
DRIVE TRAIN	Clutch	Wet, multi-plate
	Transmission	5-speed
	Final drive	Chain
	Primary reduction	1.718
	Final reduction	2.471 2.688 - TDM850 (’98-01)
	Gear ratio I II III IV V	2.846; 2.643 - TDM850 (’98-01) 1.850; 1.947 - TDM850 (’98-01) 1.429; 1.500 - TDM850 (’98-01) 1.174 1.037; 0.964 - TDM850 (’98-01)
ELECTRICAL	Ignition	TCI (digital)
	Alternator	A.C. magneto
	Battery capacity	12V-10Ah