2001 YAMAHA XJ900S oil type

PERIODIC MAINTENANCE AND MINOR REPAIR
6-8
6
NOTE:@ If a torque wrench is not available when
installing a spark plug, a good estimate
of the correct torque is 1/4–1/2 turn
past finger tight. However, the spark
plug should be tightened to the speci-
fied torque as soon as possible. @
EAU02938
Engine oil and oil filter
cartridge The engine oil level should be checked
before each ride. In addition, the oil
must be changed and the oil filter car-
tridge replaced at the intervals speci-
fied in the periodic maintenance and
lubrication chart.
To check the engine oil level
1. Place the motorcycle on the cen-
terstand.NOTE:@ Make sure that the motorcycle is posi-
tioned straight up when checking the oil
level. A slight tilt to the side can result in
a false reading. @2. Start the engine, warm it up for
several minutes, and then turn it
off.3. Wait a few minutes until the oil set-
tles, and then check the oil level
through the check window located
at the bottom-right side of the
crankcase.
NOTE:@ The engine oil should be between the
minimum and maximum level marks. @4. If the engine oil is below the mini-
mum level mark, add sufficient oil
of the recommended type to raise
it to the correct level.1. Engine oil level check window
2. Maximum level mark
3. Minimum level mark
E_4km.book Page 8 Thursday, September 7, 2000 9:32 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-12
6 2. Remove the oil filler bolt, and then
check the oil level in the final gear
case.
NOTE:_ The oil level should be at the brim of
the filler hole. _3. If the oil is below the brim of the fill-
er hole, add sufficient oil of the rec-
ommended type to raise it to the
correct level.To change the final gear oil
1. Place an oil pan under the final
gear case to collect the used oil.
2. Remove the oil filler bolt and drain
bolt to drain the oil from the final
gear case.
3. Install the final gear oil drain bolt,
and then tighten it to the specified
torque.
4. Add the recommended final gear
oil to the brim of the filler hole.
NOTE:_ GL4 is a quality rating. Hypoid gear oils
rated GL5 or GL6 may also be used. _5. Install and tighten the filler bolt.
6. Check the final gear case for oil
leakage. If oil is leaking, check for
the cause.
1. Final gear oil filler bolt
2. Correct oil level
3. Final gear oil drain bolt
Tightening torque:
Final gear oil drain bolt:
23 Nm (2.3 m·kg)
Recommended final gear oil:
Hypoid gear oil SAE 80 (API GL4)
or multi-grade hypoid gear oil
SAE 80W-90
Oil quantity:
0.2 L
E_4km.book Page 12 Thursday, September 7, 2000 9:32 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-22
6
EAU03682
Checking the brake fluid level Insufficient brake fluid may allow air to
enter the brake system, possibly caus-
ing it to become ineffective.
Before riding, check that the brake fluid
is above the minimum level mark and
replenish if necessary. A low brake flu-
id level may indicate worn brake pads
and/or brake system leakage. If the
brake level is low, be sure to check the
brake pads for wear and the brake sys-
tem for leakage.Observe these precautions:
l
When checking the fluid level,
make sure that the top of the mas-
ter cylinder or brake fluid reservoir
is level by turning the handlebars.
l
Use only the recommended quali-
ty brake fluid, otherwise the rubber
seals may deteriorate, causing
leakage and poor braking perfor-
mance.
NOTE:@ If DOT 4 is not available, DOT 3 can be
used for the front brake system. @
l
Refill with the same type of brake
fluid. Mixing fluids may result in a
harmful chemical reaction and
lead to poor braking performance.
l
Be careful that water does not en-
ter the master cylinder or brake
fluid reservoir when refilling. Water
will significantly lower the boiling
point of the fluid and may result in
vapor lock.
l
Brake fluid may deteriorate paint-
ed surfaces or plastic parts. Al-
ways clean up spilled fluid
immediately.
l
As the brake pads wear, it is nor-
mal for the brake fluid level to
gradually go down. However, if the
brake fluid level goes down sud-
denly, have a Yamaha dealer
check the cause.
1. Minimum level markFront
1. Minimum level markRecommended brake fluid: DOT 4Rear
E_4km.book Page 22 Thursday, September 7, 2000 9:32 AM

8-1
8
EAU01038
8-SPECIFICATIONSSpecifications CS-01E
Model XJ900S
Dimensions
Overall length 2,230 mm
Overall width 750 mm
Overall height 1,300 mm
Seat height 795 mm
Wheelbase 1,505 mm
Ground clearance 130 mm
Minimum turning radius 3,000 mm
Basic weight (with oil and full
fuel tank)
265 kg
Engine
Engine type Air-cooled 4-stroke, DOHC
Cylinder arrangement Forward-inclined parallel
4-cylinder
Displacement 892 cm
3
Bore ´ Stroke 68.5 ´ 60.5 mm
Compression ratio 10:1
Starting system Electric starter
Lubrication system Wet sumpEngine oil
Ty p e
Recommended engine oil
classification API Service SE, SF, SG type or
higher
Quantity
Without oil filter cartridge
replacement 3.2 L
With oil filter car tridge
replacement 3.4 L
Total amount (dry engine) 4.4 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 II”) contain anti-friction additives
which will cause clutch and/or starter clutch slippage, result-
ing in reduced component life and poor engine performance.
E_4km.book Page 1 Thursday, September 7, 2000 9:32 AM

SPECIFICATIONS
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 24 L
Fuel reserve amount 5 L
Carburetor
Manufacturer MIKUNI
Model ´
quantity BDSR34 ´ 4
Spark plug
Manufacturer/model 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 1.672
Secondary reduction system Shaft drive
Secondary reduction ratio 1.278
Transmission type Constant-mesh, 5-speed
Operation Left footGear ratio
1st 2.188
2nd 1.500
3rd 1.154
4th 0.933
5th 0.813
Chassis
Frame type Double cradle
Caster angle 27°
°° °
Trail 121 mm
Tire
Front
Type Tubeless tire
Size 120/70-17 58V
Manufacturer/
model Dunlop / K505F
Metzeler / ME33
Bridgestone / G601
Rear
Type Tubeless tire
Size 150/70-17 69V
Manufacturer/
model Dunlop / K505
Metzeler / ME55A
Bridgestone / G602
E_4km.book Page 2 Thursday, September 7, 2000 9:32 AM

SPECIFICATIONS
8-3
8
Maximum load* 205 kg
Tire air pressure (measured
on cold tires)
up to 90 kg*
Front 225 kPa (2.25 kg/cm
2, 2.25 bar)
Rear 250 kPa (2.50 kg/cm2, 2.50 bar)
90 kg–maximum*
Front 250 kPa (2.50 kg/cm2, 2.50 bar)
Rear 290 kPa (2.90 kg/cm2, 2.90 bar)
High-speed riding
Front 250 kPa (2.50 kg/cm2, 2.50 bar)
Rear 290 kPa (2.90 kg/cm2, 2.90 bar)
* Total weight of rider, passenger, cargo and accessories
Wheels
Front
Type Cast wheel
Size 17 ´ MT 3.00
Rear
Type Cast wheel
Size 17 ´ MT 4.00
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-gas spring / oil damper
Wheel travel
Front 140 mm
Rear 110 mm
Electrical systems
Ignition system T.C.I. (digital)
Charging system
Type A.C. generator
Standard output 13,5 V, 34 A @ 5,000 r/min
Battery
Model YTX14-BS
Voltage, capacity 12 V, 12 Ah
E_4km.book Page 3 Thursday, September 7, 2000 9:32 AM

SPECIFICATIONS
8-4
8
Headlight typeQuar tz bulb (halogen)
Bulb voltage, wattage ´ quantity
Headlight 12 V, 60/55 W ´ 1
Tail/brake light 12 V, 5/21 W ´ 1
Auxiliary light 12 V, 4 W ´ 1
Turn signal light 12 V, 21 W ´ 4
Meter lighting 12 V, 3.4 W ´ 4
Neutral indicator light 12 V, 3.4 W ´ 1
High beam indicator light 12 V, 3.4 W ´ 1
Oil level warning light 12 V, 3.4 W ´ 1
Turn signal indicator light 12 V, 3.4 W ´ 2
Fuel level warning light 12 V, 3.4 W ´ 1
Fuses
Main fuse 30 A
Signaling system fuse 20 A
Headlight fuse 15 A
Hazard fuse 10 A
Ignition fuse 10 A
Clock fuse 10 A
E_4km.book Page 4 Thursday, September 7, 2000 9:32 AM