Yamaha Fz6n Manual

3-34
CLEANING THE AIR FILTER ELEMENT /
CHECKING THE THROTTLE BODY JOINTSCHK
ADJ
NOTE:
When installing the air filter element into the air
filter case cover, make sure their sealing sur-
faces are aligned to prevent any air leaks.
6. Install:

fuel tank
Refer to “FUEL TANK”.

front cowling inner panel (left and right)
Refer to “COWLINGS”.

rider seat
Refer to “SEAT”.
EAS00095
CHECKING THE THROTTLE BODY JOINTS
The following procedure applies to all of the
throttle body joints and intake manifolds.
1....

3-35
CHECKING THE FUEL AND BREATHER HOSES /
CHECKING THE CRANKCASE BREATHER HOSECHK
ADJ
NOTE:
CAUTION:
EAS00096
CHECKING THE FUEL AND BREATHER 
HOSES
The following procedure applies to all of the fuel
and breather hoses.
1. Remove:

rider seat
Refer to “SEAT”.

front cowling inner panel (left and right)
Refer to “COWLINGS”

fuel tank
Refer to “FUEL TANK”.
2. Check:

breather hose 
1

fuel hose 2
Cracks / damage 
 Replace.
Loose connection 
 Connect properly.

Before removing the fuel hose, place a few...

3-36
CHECKING THE CRANKCASE BREATHER HOSE /
CHECKING THE EXHAUST SYSTEMCHK
ADJ
3. Install:

fuel tank
Refer to “FUEL TANK”.

front cowling inner panel (left and right)
Refer to “COWLINGS”.

rider seat
Refer to “SEAT”.
EAS00099
CHECKING THE EXHAUST SYSTEM
The following procedure applies to all of the ex-
haust pipes and gaskets.
1. Remove:

radiator
Refer to “RADIATOR” in chapter 6.
2. Check:

exhaust pipe 
1

catalyst pipe 2

muffler 3
Cracks / damage 
 Replace.

gasket 
4
Exhaust gas leaks 
 Replace.
3....

3-37
CHECKING THE COOLANT LEVEL
CHK
ADJ
NOTE:
CAUTION:
NOTE:
EAS00102
CHECKING THE COOLANT LEVEL
1. Stand the motorcycle on a level surface.

Place the motorcycle on a suitable stand.

Make sure the motorcycle is upright.
2. Check:

coolant level
The coolant level should be between the
maximum level mark 
a and minimum level
mark 
b.
Below the minimum level mark 
 Add the
recommended coolant to the proper level.

Adding water instead of coolant lowers the
antifreeze content of the coolant. If water is...

3-38
CHECKING THE COOLING SYSTEM /
CHANGING THE COOLANTCHK
ADJ
EAS00104
CHECKING THE COOLING SYSTEM
1. Check:

radiator 
1

radiator inlet hose 2

radiator outlet hose 3

oil cooler 4

oil cooler inlet hose 5

oil cooler outlet hose 6

water jacket outlet joint 7

water jacket hose 8

water pump outlet pipe 9

water pump outlet hose 10
Cracks / damage 
 Replace.
Refer to “COOLING SYSTEM” in chapter 6.
EAS00105
CHANGING THE COOLANT
1. Remove:

seat
Refer to “SEAT”.

front cowling inner panel (left and...

3-39
CHANGING THE COOLANT
CHK
ADJ
CAUTION:
10 Nm (1.0 m
kg, 7.2 ft
lb)
3. Disconnect:

coolant reservoir cap 
1
4. Drain:

coolant
(from the coolant reservoir tank)
5. Remove:

radiator cap lock bolt 
1

radiator cap 2
A hot radiator is under pressure. Therefore,
do not remove the radiator cap when the en-
gine is hot. Scalding hot fluid and steam may
be blown out, which could cause serious in-
jury. When the engine has cooled, open the
radiator cap as follows:
Place a thick rag or a towel over the...

3-40
CHANGING THE COOLANT
CHK
ADJ
WARNING
CAUTION:
10. Install:

coolant reservoir tank
11. Connect:

coolant reservoir hose
12. Fill:

cooling system
(with the specified amount of the recom-
mended coolant)
Recommended antifreeze
High-quality ethylene glycol 
antifreeze containing corrosion
inhibitors for aluminum engines
Mixing ratio
1:1 (antifreeze:water)
Quantity
Total amount
2.0 L (1.76 Imp qt, 
2.11 US qt)
Coolant reservoir capacity
0.27 L (0.24 Imp qt, 
0.29 US qt)
Handling notes for coolant...

3-41
CHANGING THE COOLANT
CHK
ADJ
NOTE: 
Use only distilled water. However, if dis-
tilled water is not available, soft water may
be used.

If coolant comes into contact with painted
surfaces, immediately wash them with wa-
ter.

Do not mix different types of antifreeze.
13. Install:

radiator cap
14. Fill:

coolant reservoir tank
(with the recommended coolant to the maxi-
mum level mark 
a)
15. Install:

coolant reservoir cap
16. Start the engine, warm it up for several min-
utes, and then stop it.
17....

3-42
ADJUSTING THE FRONT BRAKE
CHK
ADJ
NOTE:
a
a
WARNING
CAUTION:
EAS00107
CHASSIS
ADJUSTING THE FRONT BRAKE
1. Adjust:

brake lever position
(distance 
a from the throttle grip to the brake
lever)

While pushing the brake lever forward, turn the
adjusting dial 
1 until the brake lever is in the
desired position.

Be sure to align the setting on the adjusting dial
with the arrow mark 
2 on the brake lever hold-
er.
Position #1
Distance   is the 
largest.
Position #5Distance   is the 
smallest.

After...

3-43
ADJUSTING THE REAR BRAKE
CHK
ADJ
a
b
WARNING
WARNING
CAUTION:
EAS00110
ADJUSTING THE REAR BRAKE
1. Check:

brake pedal position
(distance 
a from the top of the rider footrest
to the top of the brake pedal)
Out of specification 
 Adjust.
Brake pedal position (below the
top of the rider footrest)
25.8 mm (1.02 in)
2. Adjust:

brake pedal position
a. Loosen the locknut 
1.
b. Turn the adjusting bolt 
2 in direction a or b
until the specified brake pedal position is ob-
tained.
Direction
Brake pedal is...