2006 YAMAHA FJR1300AS maintenance
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-13
6wise the engine may not be
sufficiently cooled and the cool-
ing system will not be protected
against frost and corrosion.
If water has been added to the
coolant, have a Yamaha dealer
check the antifreeze content of
the coolant as soon as possible,
otherwise the effectiveness ofthe coolant will be reduced.WARNING
EWA10380
Never attempt to remove the radiatorcap when the engine is hot.NOTE:
The radiator fans are automatically
switched on or off according to the
coolant temperature in the radia-
tor.
If the engine overheats, see page6-31 for further instructions.
EAU33030
Changing the coolant
WARNING
EWA10380
Never attempt to remove the radiatorcap when the engine is hot.
The coolant must be changed at the in-
tervals specified in the periodic mainte-
nance and lubrication chart. Have a
Yamaha dealer change the coolant.
EAU40370
Air filter element The air filter element must be cleaned
and replaced at the intervals specified
in the periodic maintenance and lubri-
cation chart. Have a Yamaha dealer
clean and replace the air filter element.
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-14
6
EAU21310
Checking the engine idling
speed The engine idling speed must be
checked as follows and, if necessary,
adjusted by a Yamaha dealer at the in-
tervals specified in the periodic mainte-
nance and lubrication chart.
Start the engine and warm it up for sev-
eral minutes at 1000–2000 r/min while
occasionally revving it to 4000–5000
r/min.NOTE:
The engine is warm when it quickly re-sponds to the throttle.
EAU21381
Checking the throttle cable
free play The throttle cable free play should mea-
sure 3.0–5.0 mm (0.12–0.20 in) at the
throttle grip. Periodically check the
throttle cable free play and, if neces-
sary, have a Yamaha dealer adjust it.
EAU21401
Valve clearance The valve clearance changes with use,
resulting in improper air-fuel mixture
and/or engine noise. To prevent this
from occurring, the valve clearance
must be adjusted by a Yamaha dealer
at the intervals specified in the periodic
maintenance and lubrication chart.
Engine idling speed:
1000–1100 r/min
1. Throttle cable free play
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-15
6
EAU21771
Tires To maximize the performance, durabil-
ity, and safe operation of your motor-
cycle, note the following points
regarding the specified tires.
Tire air pressure
The tire air pressure should be checked
and, if necessary, adjusted before each
ride.
WARNING
EWA10500
The tire air pressure must be
checked and adjusted on cold
tires (i.e., when the temperature
of the tires equals the ambient
temperature).
The tire air pressure must be ad-
justed in accordance with the
riding speed and with the total
weight of rider, passenger, car-
go, and accessories approvedfor this model.
WARNING
EWA11020
Because loading has an enormous
impact on the handling, braking,
performance and safety characteris-
tics of your motorcycle, you should
keep the following precautions in
mind.
NEVER OVERLOAD THE
MOTORCYCLE! Operation of an
overloaded motorcycle may re-
sult in tire damage, loss of con-
trol, or severe injury. Make sure
that the total weight of rider,
passenger, cargo, and accesso-
ries does not exceed the speci-
fied maximum load for the
vehicle.
Do not carry along loosely
packed items, which can shift
during a ride.
Securely pack the heaviest
items close to the center of the
motorcycle and distribute the
weight evenly on both sides.
Adjust the suspension and tire
air pressure with regard to the
load.
Check the tire condition and airpressure before each ride.
Tire air pressure (measured on cold
tires):
0–90 kg (0–198 lb):
Front:
270 kPa (39 psi) (2.70 kgf/cm²)
Rear:
290 kPa (42 psi) (2.90 kgf/cm²)
90–208 kg (198–459 lb):
Front:
270 kPa (39 psi) (2.70 kgf/cm²)
Rear:
290 kPa (42 psi) (2.90 kgf/cm²)
High-speed riding:
Front:
270 kPa (39 psi) (2.70 kgf/cm²)
Rear:
290 kPa (42 psi) (2.90 kgf/cm²)
Maximum load*:
208 kg (459 lb)
* Total weight of rider, passenger, car-
go and accessories
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-16
6 Tire inspection
The tires must be checked before each
ride. If the center tread depth reaches
the specified limit, if the tire has a nail or
glass fragments in it, or if the sidewall is
cracked, have a Yamaha dealer re-
place the tire immediately.
NOTE:The tire tread depth limits may differ
from country to country. Always complywith the local regulations.
WARNING
EWA10470
Have a Yamaha dealer replace
excessively worn tires. Besides
being illegal, operating the vehi-
cle with excessively worn tires
decreases riding stability and
can lead to loss of control.
The replacement of all wheel
and brake related parts, includ-
ing the tires, should be left to a
Yamaha dealer, who has the
necessary professional knowl-edge and experience.
Tire informationThis motorcycle is equipped with cast
wheels and tubeless tires with valves.
WARNING
EWA10480
The front and rear tires should
be of the same make and de-
sign, otherwise the handling
characteristics of the motor-
cycle cannot be guaranteed.
After extensive tests, only the
tires listed below have been ap-
proved for this model by
Yamaha Motor Co., Ltd.
Always make sure that the valve
caps are securely installed to
prevent air pressure leakage.
Use only the tire valves and
valve cores listed below to
avoid tire deflation during ahigh-speed ride.
1. Tire sidewall
2. Tire tread depthMinimum tire tread depth (front and
rear):
1.6 mm (0.06 in)
1. Tire air valve
2. Tire air valve core
3. Tire air valve cap with seal
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PERIODIC MAINTENANCE AND MINOR REPAIR
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6
WARNING
EWA10600
This motorcycle is fitted with super-
high-speed tires. Note the following
points in order to make the most ef-
ficient use of these tires.
Use only the specified replace-
ment tires. Other tires may run
the danger of bursting at super
high speeds.
Brand-new tires can have a rela-
tively poor grip on certain road
surfaces until they have been“broken in”. Therefore, it is ad-
visable before doing any high-
speed riding to ride conserva-
tively for approximately 100 km
(60 mi) after installing a new tire.
The tires must be warmed up
before a high-speed run.
Always adjust the tire air pres-
sure according to the operatingconditions.
EAU21960
Cast wheels To maximize the performance, durabil-
ity, and safe operation of your vehicle,
note the following points regarding the
specified wheels.
The wheel rims should be checked
for cracks, bends or warpage be-
fore each ride. If any damage is
found, have a Yamaha dealer re-
place the wheel. Do not attempt
even the smallest repair to the
wheel. A deformed or cracked
wheel must be replaced.
The wheel should be balanced
whenever either the tire or wheel
has been changed or replaced. An
unbalanced wheel can result in
poor performance, adverse han-
dling characteristics, and a short-
ened tire life.
Ride at moderate speeds after
changing a tire since the tire sur-
face must first be “broken in” for it
to develop its optimal characteris-
tics.
Front tire:
Size:
120/70 ZR17M/C (58W)
Manufacturer/model:
METZELER/Roadtec Z6G
BRIDGESTONE/BT020F
Rear tire:
Size:
180/55 ZR17M/C (73W)
Manufacturer/model:
METZELER/Roadtec Z6C
BRIDGESTONE/BT020R
FRONT and REAR:
Tire air valve:
TR412
Va l ve c o r e :
#9100 (original)
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-18
6
EAU40620
YCC-S clutch This model is equipped with a hydraulic
clutch, therefore, it is necessary to
check the YCC-S clutch fluid level and
check the hydraulic system for leakage
before each ride. If the YCC-S clutch
plates wear out, shifting becomes
rough or clutch slippage will occur,
causing poor acceleration. If any of the
above occurs, have a Yamaha dealer
check the YCC-S clutch.
EAU36500
Adjusting the rear brake light
switch The rear brake light switch, which is ac-
tivated by the brake pedal, is properly
adjusted when the brake light comes
on just before braking takes effect. If
necessary, have a Yamaha dealer ad-
just the brake light switch.
EAU22390
Checking the front and rear
brake pads The front and rear brake pads must be
checked for wear at the intervals spec-
ified in the periodic maintenance and
lubrication chart.
EAU22420
Front brake pads
Each front brake pad is provided with a
wear indicator groove, which allows
you to check the brake pad wear with-
out having to disassemble the brake.
To check the brake pad wear, check
the wear indicator groove. If a brake
pad has worn to the point that the wear1. Brake pad wear indicator groove
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-19
6indicator groove has almost disap-
peared, have a Yamaha dealer replace
the brake pads as a set.
EAU22500
Rear brake pads
Check each rear brake pad for damage
and measure the lining thickness. If a
brake pad is damaged or if the lining
thickness is less than 0.8 mm (0.03 in),
have a Yamaha dealer replace the
brake pads as a set.
EAU40591
Checking the brake and YCC-
S clutch fluid levels Front brake
Rear brakeYCC-S clutch
Insufficient brake fluid may allow air to
enter the brake or YCC-S clutch sys-
tems, possibly causing them to become
ineffective.
Before riding, check that the brake fluid
is above the minimum level mark and
replenish if necessary. A low brake fluid
level may indicate worn brake pads
and/or brake system leakage. If the
brake fluid level is low, be sure to check
the brake pads for wear and the brake
system for leakage.
NOTE:
The rear brake fluid reservoir is lo-
cated behind panel C. (See page
6-5.)
1. Lining thickness
1. Minimum level mark
1. Minimum level mark
1. Minimum level mark
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-20
6
The YCC-S clutch fluid reservoir is
located behind panel B. (See page6-5.)
Observe these precautions:
When checking the fluid level,
make sure that the top of the brake
and YCC-S clutch fluid reservoirs
are level.
Use only the recommended quality
brake fluid, otherwise the rubber
seals may deteriorate, causing
leakage and poor braking or YCC-
S clutch performance.
Refill with the same type of brake
fluid. Mixing fluids may result in a
harmful chemical reaction and
lead to poor braking or YCC-S
clutch performance.
The brake and YCC-S clutch fluid
reservoir diaphragms will lose their
shape from the negative pressure
if the fluid level goes down too far.Be sure to return the diaphragms
to their original shape before rein-
stalling them.
Be careful that water or dust does
not enter the brake and YCC-S
clutch fluid reservoirs when refill-
ing. Water will significantly lower
the boiling point of the fluid and
may result in vapor lock, and dirt
may clog the ABS hydraulic unit
valves.
Brake fluid may deteriorate paint-
ed surfaces or plastic parts. Al-
ways clean up spilled fluid
immediately.
As the brake pads wear, it is nor-
mal for the brake fluid level to grad-
ually go down. However, if the
brake fluid level goes down sud-
denly, have a Yamaha dealer
check the cause.
EAU40600
Changing the brake and YCC-
S clutch fluids Have a Yamaha dealer change the
brake and YCC-S clutch fluids at the in-
tervals specified in the NOTE after the
periodic maintenance and lubrication
chart. In addition, have the oil seals of
the brake and YCC-S clutch master cyl-
inders and calipers as well as the brake
and YCC-S clutch hoses replaced at
the intervals listed below or whenever
they are damaged or leaking.
Oil seals: Replace every two
years.
Brake and YCC-S clutch hoses:
Replace every four years.
Recommended brake and YCC-S
clutch fluid:
DOT 4 brake fluid
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