2002 YAMAHA BT1100 Owners Manual

MOTORCYCLE CARE AND STORAGE
•Do not use any harsh chemical
products on plastic parts. Be sure
to avoid using cloths or sponges
which have been in contact with
strong or abrasive cleaning prod-
ucts, solvent or thinner, fuel (gaso-
line), rust removers or inhibitors,
brake fluid, antifreeze or elec-
trolyte.
•Do not use high-pressure washers
or steam-jet cleaners since they
cause water seepage and deterio-
ration in the following areas: seals
(of wheel and swingarm bearings,
fork and brakes), electric compo-
nents (couplers, connectors,
instruments, switches and lights),
breather hoses and vents.
•For motorcycles equipped with a
windshield: Do not use strong
cleaners or hard sponges as they
will cause dulling or scratching.
Some cleaning compounds for
plastic may leave scratches on the
windshield. Test the product on asmall hidden part of the wind-
shield to make sure that it does
not leave any marks. If the wind-
shield is scratched, use a quality
plastic polishing compound after
washing.
After normal use
Remove dirt with warm water, a mild deter-
gent, and a soft, clean sponge, and then
rinse thoroughly with clean water. Use a
toothbrush or bottlebrush for hard-to-reach
areas. Stubborn dirt and insects will come
off more easily if the area is covered with a
wet cloth for a few minutes before clean-
ing.After riding in the rain, near the sea or on
salt-sprayed roads
Since sea salt or salt sprayed on roads
during winter are extremely corrosive in
combination with water, carry out the fol-
lowing steps after each ride in the rain,
near the sea or on salt-sprayed roads.
NOTE:
Salt sprayed on roads in the winter may
remain well into spring.
1. Clean the motorcycle with cold water
and a mild detergent, after the engine
has cooled down.
ECA00012
Do not use warm water since it increas-
es the corrosive action of the salt.
2. After drying the motorcycle, apply a
corrosion protection spray on all met-
al, including chrome- and nickel-plat-
ed, surfaces to prevent corrosion.
CAUTION:
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MOTORCYCLE CARE AND STORAGE
After cleaning
1. Dry the motorcycle with a chamois or
an absorbing cloth.
2. Use a chrome polish to shine chrome,
aluminum and stainless-steel parts,
including the exhaust system. (Even
the thermally induced discoloring of
stainless-steel exhaust systems can
be removed through polishing).
3. To prevent corrosion, it is recom-
mended to apply a corrosion protec-
tion spray on all metal, including
chrome- and nickel-plated, surfaces.
4. Use spray oil as a universal cleaner
to remove any remaining dirt.
5. Touch up minor paint damage caused
by stones, etc.
6. Wax all painted surfaces.
7. Let the motorcycle dry completely be-
fore storing or covering it.EWA00031WARNING0
•Make sure that there is no oil or
wax on the brakes or tires.
•If necessary, clean the brake discs
and brake linings with a regular
brake disc cleaner or acetone, and
wash the tires with warm water
and a mild detergent. Before riding
at higher speeds, test the motorcy-
cle’s braking performance and cor-
nering behavior.
ECA00013
•Apply spray oil and wax sparingly
and make sure to wipe off any
excess.
•Never apply oil or wax to any rub-
ber and plastic parts, but treat
them with a suitable care product.
•Avoid using abrasive polishing
compounds as they will wear away
the paint.
NOTE:
Consult a Yamaha dealer for advice on
what products to use.
CAUTION:
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MOTORCYCLE CARE AND STORAGE
Storage
Short-term
Always store your motorcycle in a cool, dry
place and, if necessary, protect it against
dust with a porous cover.
ECA00014
•Storing the motorcycle in a poorly
ventilated room or covering it with
a tarp, while it is still wet, will allow
water and humidity to seep in and
cause rust.
•To prevent corrosion, avoid damp
cellars, stables (because of the
presence of ammonia) and areas
where strong chemicals are
stored.
CAUTION:Long-term
Before storing your motorcycle for several
months:
1. Follow all the instructions in the
“Care” section of this chapter.
2. For motorcycles equipped with a fuel
cock that has an “OFF” position: Turn
the fuel cock lever to “OFF”.
3. Drain the carburetor float chambers
by loosening the drain bolts; this will
prevent fuel deposits from building
up. Pour the drained fuel into the fuel
tank.
4. Fill up the fuel tank and add fuel sta-
bilizer (if available) to prevent the fuel
tank from rusting and the fuel from
deteriorating.
5. Perform the following steps to protect
the cylinders, piston rings, etc. from
corrosion.a. Remove the spark plug caps and
spark plugs.
b. Pour a teaspoonful of engine oil into
each spark plug bore.
c. Install the spark plug caps onto the
spark plugs, and then place the spark
plugs on the cylinder head so that the
electrodes are grounded. (This will
limit sparking during the next step).
d. Turn the engine over several times
with the starter. (This will coat the
cylinder walls with oil).
e. Remove the spark plug caps from the
spark plugs, and then install the spark
plugs and the spark plug caps.
EWA00003WARNING0
To prevent damage or injury from
sparking, make sure to ground the
spark plug electrodes while turning the
engine over.
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MOTORCYCLE CARE AND STORAGE
6. Lubricate all control cables and the
pivoting points of all levers and ped-
als as well as of the sidestand/center-
stand.
7. Check and, if necessary, correct the
tire air pressure, and then lift the mo-
torcycle so that both of its wheels are
off the ground. Alternatively, turn the
wheels a little every month in order to
prevent the tires from becoming de-
graded in one spot.
8. Cover the muffler outlets with plastic
bags to prevent moisture from enter-
ing them.9. Remove the battery and fully charge
it. Store it in a cool, dry place and
charge it once a month. Do not store
the battery in an excessively cold or
warm place (less than 0 °C or more
than 30 °C). For more information on
storing the battery, see page 6-27.
NOTE:
Make any necessary repairs before stor-
ing the motorcycle.
7-5
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8
Specifications ...................................................................................... 8-1
SPECIFICATIONSEAU01038

SPECIFICATIONSEAU01038
8-1
8
Specifications
ModelBT1100
Dimensions
Overall length 2,200 mm
Overall width 800 mm
Overall height 1,140 mm
Seat height 812 mm
Wheelbase 1,530 mm
Ground clearance 168 mm
Minimum turning radius 2,980 mm
Basic weight
(with oil and full fuel tank)250.5 kg
Engine
Engine type Air-cooled 4-stroke,
SOHC
Cylinder arrangement V type 2-cylinder
Displacement 1,063 cm
3
Bore x stroke 95.0 x 75.0 mm
Compression ratio 8.3 : 1
Starting system Electric starter
Lubrication system Wet sumpEngine oil
Ty p e
Recommended API Service SE, SF, SG or
engine oil classification higher
Be sure to use motor oils that do not contain anti-friction modifiers.
Passenger car motor oils (often labeled “ENERGY CONSERVING II”)
contain anti-friction additives which will cause clutch and/ or starter
clutch slippage, resulting in reduced component life and poor
engine performance.8
Quantity
Without oil filter
cartridge replacement 3.0 L
With oil filter cartridge
replacement 3.1 L
Total amount
(dry engine) 3.6 L
CAUTION:
-20-10 0 1020304050°C
SAE 10W-30
SAE 10W-40
SAE 20W-40
SAE 15W-50
SAE 15W-40

SPECIFICATIONSEAU01038
8-2
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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
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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