Page 89 of 99

8-1
8
EAU01038
8-SPECIFICATIONSSpecifications
Model TDM850
Dimensions
Overall length 2,165 mm
(for GB, NL, B, F, E, P, I, GR, D,
DK)
2,200 mm (for N, S, SF)
Overall width 790 mm
Overall height 1,285 mm
Seat height 805 mm
Wheelbase 1,475 mm
Ground clearance 165 mm
Minimum turning radius 2,900 mm
Basic weight (with oil and full
fuel tank)
232 kg
Engine
Engine type Liquid cooled 4-stroke, DOHC
Cylinder arrangement Forward inclined parallel
2-cylinder
Displacement 849 cm
3
Bore ´ Stroke 89.5 ´ 67.5 mm
Compression ratio 10.5:1
Starting system Electric starter
Lubrication system Dry sumpEngine oil
Ty p e
Recommended engine oil
classification API Service SE, SF, SG type or
higher
Quantity
Periodic oil change 3.5 L
With oil filter replacement 3.6 L
Total amount 4.2 L
Cooling system capacity
(total amount)
1.7 L
-20˚ -10˚ 0˚
10˚20˚ 30˚
40˚50˚C
SAE 10W/30
SAE 15W/40SAE 20W/40SAE 20W/50
SAE 10W/40
CAUTION:Be sure to use motor oils that do not contain anti-friction
modifiers. Passenger car motor oils (often labeled
“Energy Conserving”) contain anti-friction additives which
will cause clutch and/or starter clutch slippage, resulting in
reduced component life and poor engine performance.
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SPECIFICATIONS
8-2
8
Air filterDry type element
Fuel
Type Regular unleaded gasoline
Fuel tank capacity 20 L
Reserve amount 3.1 L
Carburetor
Type ´ quantity BDSR38 ´ 2
Manufacturer MIKUNI
Spark plug
Manufacturer/Type NGK / DPR8EA-9 or
DENSO / X24EPR-U9
Gap 0.8 ~ 0.9 mm
Clutch typeWet, multiple-disc
Transmission
Primary reduction system Spur gear
Primary reduction ratio 1.718
Secondary reduction system Chain drive
Secondary reduction ratio 2.688
Number of sprocket teeth
(rear/front) 43/16
Transmission type Constant mesh 5-speed
Operation Left foot operationGear ratio
1st 2.643
2nd 1.947
3rd 1.500
4th 1.174
5th 0.964
Chassis
Frame type Diamond
Caster angle 24.5°
Trail 103 mm
Tires
Front
Type Tubeless
Size 110/80 ZR18 (58W)
Manufacturer/
model Bridgestone / BT54F
Michelin / MACADAM 90X
Pirelli / MTR03
Rear
Type Tubeless
Size 150/70 ZR17 (69W)
Manufacturer/
model Bridgestone / BT54R
Michelin / MACADAM 90X
Pirelli / MTR04
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SPECIFICATIONS
8-3
8
Maximum load* 203 kg
Air pressure (cold tire)
Up to 90 kg load*
Front 225 kPa (2.25 kg/cm
2, 2.25 bar)
Rear 275 kPa (2.75 kg/cm2, 2.75 bar)
90 kg load ~ maximum
load*
Front 225 kPa (2.25 kg/cm2, 2.25 bar)
Rear 275 kPa (2.75 kg/cm2, 2.75 bar)
High speed riding
Front 225 kPa (2.25 kg/cm2, 2.25 bar)
Rear 275 kPa (2.75 kg/cm2, 2.75 bar)
* Load is total weight of cargo, rider, passenger and accessories.
Wheels
Front
Ty p e C a s t
Size 18 ´ MT3.00
Rear
Ty p e C a s t
Size 17 ´ MT4.00
Brakes
Front
Type Dual disc brake
Operation Right hand operation
Fluid DOT 4Rear
Type Single disc brake
Operation Right foot operation
Fluid DOT 4
Suspension
Front
Ty p e Te l e s c o p i c f o r k
Rear
Type Swingarm
Shock absorber
Front Coil spring / oil damper
Rear Coil spring / gas-oil damper
Wheel travel
Front 149 mm
Rear 144 mm
Electrical system
Ignition system T.C.I. (digital)
Charging system
Type A.C. magneto
Standard output 14 V, 23.5 A @ 5,000 r/min
Battery
Type GT12B-4
Voltage, capacity 12 V, 10 AH
Headlight typeQuartz bulb (halogen)
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SPECIFICATIONS
8-4
8
Bulb voltage, wattage ´ quantity
Headlight 12 V, 55 W ´ 2
Auxiliary light 12 V, 5 W ´ 1
Tail/brake light 12 V, 5/21 W ´ 2
Turn signal light 12 V, 21 W ´ 4
Meter light 12 V, 2 W ´ 3
Neutral indicator light 14 V, 1.4 W ´ 1
High beam indicator light 14 V, 1.4 W ´ 1
Turn indicator light 14 V, 1.4 W ´ 2
Coolant temperature
indicator light 14 V, 1.4 W ´ 1
Fuel indicator light 12 V, 2 W ´ 1
Fuses
Main fuse 30 A
Headlight fuse 15 A
Signaling system fuse 15 A
Ignition fuse 10 A
Hazard light fuse 10 A
Odometer fuse 5 A
Radiator fan fuse 7.5 A
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SPECIFICATIONS
8-5
8
EAU01064
HOW TO USE THE CONVERSION TABLECS-02E All specification data in this manual are listed in SI and
METRIC UNITS.
Use this table to convert METRIC unit data to IMPERIAL
unit data.
Ex.METRIC MULTIPLIER IMPERIAL
**mm´ 0.03937 = **in
2 mm´ 0.03937 = 0.08 in
CONVERSION TABLE
METRIC TO IMPERIAL
Metric unit Multiplier Imperial unit
Torquem·kg
m·kg
cm·kg
cm·kg7.233
86.794
0.0723
0.8679ft·lb
in·lb
ft·lb
in·lb
Weightkg
g2.205
0.03527lb
oz
Speed km/hr 0.6214 mph
Distancekm
m
m
cm
mm0.6214
3.281
1.094
0.3937
0.03937mi
ft
yd
in
in
Volume /
Capacitycc (cm3)
cc (cm3)
lt (liter)
lt (liter)0.03527
0.06102
0.8799
0.2199oz (IMP liq.)
cu·in
qt (IMP liq.)
gal (IMP liq.)
Misc.kg/mm
kg/cm2
Centigrade (°
C)55.997
14.2234
9/5 + 32 lb/in
psi (lb/in
2)
Fahrenheit (°
F)
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CONSUMER INFORMATION
9
Identification number records ............................................................. 9-1
Key identification number ................................................................... 9-1
Vehicle identification number.............................................................. 9-1
Model label ......................................................................................... 9-2
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9-1
9
EAU01039
9-CONSUMER INFORMATION
EAU02944
Identification number recordsRecord the key identification number,
vehicle identification number and mod-
el label information in the spaces pro-
vided for assistance when ordering
spare parts from a Yamaha dealer or
for reference in case the vehicle is sto-
len.
1. KEY IDENTIFICATION NUMBER:CA-02E2. VEHICLE IDENTIFICATION
NUMBER:CA-02E3. MODEL LABEL INFORMATION:CA-01EEAU01041
Key identification numberThe key identification number is
stamped on the key tag. Record this
number in the space provided and use
it for reference when obtaining a new
key.
EAU01043
Vehicle identification numberThe vehicle identification number is
stamped into the steering head pipe.
Record this number in the space pro-
vided.NOTE:@ The vehicle identification number is
used to identify your motorcycle and
may be used to register your motor-
cycle with the licensing authority in
your state. @
1. Key identification number
1. Vehicle identification number
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Page 96 of 99
CONSUMER INFORMATION
9-2
9
EAU01050
Model labelThe model label is affixed to the frame
under the seat. (See page 3-12 for seat
removal procedures.) Record the infor-
mation on this label in the space pro-
vided. This information will be needed
to order spare parts from your Yamaha
dealer.1. Model label
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