2003 YAMAHA BT1100 tires

SPECIFICATIONSEAU01038
8-2
8
Final gear oil
Type Hypoid gear oil SAE 80
(API GL4) or multigrade hypoid
gear oil SAE 80W-90
Quantity 0.2 L
Air filterDry type element
Fuel
Type Regular unleaded gasoline
Fuel tank capacity 20 L
Fuel reserve amount 5.8 L
Carburetor
Manufacturer MIKUNI
Model x quantity BSR37 x 2
Spark plug
Manufacturer/model NGK / BPR7ES or
DENSO / W22EPR-U
Gap 0.7–0.8 mm
Clutch type Wet, multiple-disc
Transmission
Primary reduction system Spur gear
Primary reduction
ratio 1.660
Secondary reduction
system Shaft drive
Secondary reduction
ratio 2.875
Transmission type Constant mesh 5-speed
Operation Left footGear ratio 1st2,353
2nd1,667
3rd1,286
4th1,032
5th0,853
Chassis
Frame type Twin tube Backbone
Caster angle 25°
Trail 106 mm
Tires
Front
Type Tubeless
Size 120/70-ZR17 (58W)
Manufacturer/ Dunlop / D205F TL
model Metzeler / MEZ3F TL
Rear
Type Tubeless
Size 170/60-ZR17 (72W)
Manufacturer/ Dunlop / D205 TL
model Metzeler / MEZ3 TL
Maximum load* 200 kg

SPECIFICATIONS
8-3
8
EAU01038
Tire air pressure
(measured on cold tires)
Up to 90 kg*
Front 230 kPa; 2.30 kg/cm
2; 2.30 bar
Rear 250 kPa; 2.50 kg/cm
2; 2.50 bar
90 kg–maximum*
Front 250 kPa; 2.50 kg/cm
2; 2.50 bar
Rear 270 kPa; 2.70 kg/cm
2; 2.70 bar
* Total weight of rider, passenger, cargo and accessories
Wheels
Front
Type Cast wheel
Size 17 x MT 3.50
Rear
Type Cast wheel
Size 17 x MT 5.50
Brakes
Front:
Type Dual disc brake
Operation Right hand
Fluid DOT 4Rear:
Type Single disc brake
Operation Right foot
Fluid DOT 4
Suspension
Front: Telescopic fork
Rear: Swingarm
(link suspension)
Spring/shock absorber
Front: Coil spring / oil damper
Rear: Coil spring / gas-oil damper,
spring preload adjustable
Wheel travel
Front: 130 mm
Rear: 113 mm
Electrical system
Ignition system Transistorized coil ignition
(digital)
Charging system
Type A.C. magneto
Standard output 14V, 350W at 5,000 r/min

INDEX
Periodic maintenance
and minor repair ..................................6-1
Pre-operation check list ..........................4-1
Pre-operation checks..............................4-1
R
Rear wheel
Installing ............................................6-34
Removing ..........................................6-33
S
Safety information ..................................1-1
Seat ......................................................3-13
Self-diagnosis device..............................3-6
Shift pedal ............................................3-10
Adjusting the pedal position ..............6-21
Shifting ....................................................5-3
Shock absorber assembly
adjusting ............................................3-15
Sidestand ..............................................3-16
Sidestand, checking
and lubricating ....................................6-24
Spark plugs, checking ............................6-5
Specifications..........................................8-1
Conversion table ..................................8-5
Speedometer unit ..................................3-3
Starter (choke) lever ............................3-12
Starting a cold engine ............................5-1
Starting a warm engine ..........................5-3
Start switch ............................................3-9
Steering, checking ................................6-25
Steering lock ..........................................3-1Storage ..................................................7-4
Storage compartment ..........................3-14
T
Tachometer ............................................3-6
Tail/brake light bulb, replacing ..............6-31
Throttle cable free play, adjusting ........6-13
Throttle grip and cable, checking and
lubricating ..........................................6-22
Tires ......................................................6-14
Air pressure ........................................6-14
Tool kit ....................................................6-1
Troubleshooting ....................................6-35
Troubleshooting chart ..........................6-36
Turn signal indicator light........................3-2
Turn signal light bulb, replacing............6-31
Turn signal switch ..................................3-8
V
Valve clearance, adjusting ....................6-13
Vehicle identification number ..................9-1
W
Wheel bearings, checking ....................6-25
Wheels, cast ........................................6-16