Yamaha Fz6n Manual

3-4
FUEL TANK
CHK
ADJ
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7Removing the fuel tank
Seat
Front cowling inner panel (left and
right)
Fuel hose
Fuel sender coupler
Fuel pump coupler
Fuel tank drain hose
Fuel tank breather hose (except for CAL)
Canister hose (for CAL)
Fuel tank
Fuel pump1
1
1
1
1
1
1
Remove the parts in the order listed.
Disconnect.
Refer to “SEAT”.
Refer to “COWLINGS”.
There is a white paint mark on the fuel tank
breather hose.
7 Nm (0.7 m
kg, 5.1 ft
lb)7 Nm (0.7 m
kg, 5.1 ft
lb)...

3-5
FUEL TANK
CHK
ADJ
Order Job / Part Q’ty Remarks
8 Roll over valve (for CAL) 1
For installation, reverse the removal
procedure.
Refer to the CABLE ROUTING for how to
attach a hose.
7 Nm (0.7 m
kg, 5.1 ft
lb)7 Nm (0.7 m
kg, 5.1 ft
lb) 

3-6
FUEL TANK
CHK
ADJ
CAUTION:
NOTE:
NOTE:
CAUTION:
REMOVING THE FUEL TANK
1. Extract the fuel in the fuel tank through the
fuel tank cap with a pump.
2. Remove:

fuel hose
Although the fuel has been removed from
the fuel tank, be careful when removing the
fuel hoses, since there may be fuel remain-
ing in it.
Before removing the hoses, place a few rags in
the area under where it will be removed.
3. Remove:

fuel tank
Do not set the fuel tank down so that the installa-
tion surface of the fuel pump is...

3-7
FUEL TANK
CHK
ADJ
4 Nm (0.4 m
kg, 2.9 ft
lb)
NOTE:
CAUTION:
NOTE: INSTALLING THE FUEL PUMP
1. Install:

fuel pump

Do not damage the installation surfaces of the
fuel tank when installing the fuel pump.

Always use a new fuel pump gasket.

Install the fuel pump as shown in the illustra-
tion.

Tighten the fuel pump bolts in stages in a criss-
cross pattern and to the specified torque.
INSTALLING THE FUEL TANK
1. Install:

fuel hose
When installing the fuel hose, make sure
that it is securely...

3-8
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7Removing the cowlings
Seat
Front cowling inner panel (left and right)
Front turn signal light lead couplers
Front cowling
Rear view mirrors (left and right)
Windshield
Rear cowling
Frame side cover2
2
1
2
1
1
2Remove the parts in the order listed.
Refer to “SEAT”.
Disconnect.
For installation, reverse the removal 
procedure.
33 Nm (3.3 m
kg, 24 ft
lb)23 Nm (2.3 m
kg, 17 ft
lb)
10 Nm (1.0 m
kg, 7.2 ft
lb)
23 Nm (2.3 m
kg, 17 ft
lb)
5 Nm (0.5 m
kg, 3.6 ft
lb)...

3-9
AIR FILTER CASE
CHK
ADJ
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8
9
10
111
2
1
4
1
1
1
1
1
1
1Remove the parts in the order listed.
Refer to “SEAT”.
Refer to “COWLINGS”.
Refer to “FUEL TANK”.
Disconnect.
Disconnect.
Disconnect.
Loosen.
Disconnect.
Disconnect.
Disconnect.
For installation, reverse the removal
procedure.
7 Nm (0.7 m
kg, 5.1 ft
lb)
Removing the air filter case
Seat
Front cowling inner panel (left and
right)
Fuel tank
Intake temperature sensor coupler
Throttle body hose
Air induction...

3-10
BATTERY BOX AND BATTERY BOX BRACKET
CHK
ADJ
Order Job / Part Q’ty Remarks
1
2
3Battery box
Battery box bracket
Ignition coil assembly1
3
2Remove the parts in the order listed.
This part has to be set properly.
For installation, reverse the removal
procedure.
7 Nm (0.7 m
kg, 5.1 ft
lb)
7 Nm (0.7 m
kg, 5.1 ft
lb)
7 Nm (0.7 m
kg, 5.1 ft
lb)
NOTE:
BATTERY BOX AND BATTERY BOX BRACKET 

3-11
ADJUSTING THE VALVE CLEARANCE
CHK
ADJ
NOTE:
EAS00045
ENGINE
ADJUSTING THE VALVE CLEARANCE
The following procedure applies to all of the
valves.

Valve clearance adjustment should be made
on a cold engine, at room temperature.

When the valve clearance is to be measured or
adjusted, the piston must be at top dead center
(TDC) on the compression stroke.
1. Remove

seat
Refer to “SEAT”.

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

fuel tank
Refer to “FUEL TANK”.

battery
Refer to...

3-12
ADJUSTING THE VALVE CLEARANCE
CHK
ADJ
NOTE:
NOTE:
4. Measure:

valve clearance
Out of specification 
 Adjust.
Valve clearance (cold)
Intake valve
0.13  0.20 mm 
(0.0051  0.0079 in)
Exhaust valve
0.23  0.30 mm 
(0.0091  0.0118 in)
a. Turn the crankshaft counterclockwise.
b. When piston #1 is at TDC on the compres-
sion stroke, align the TDC mark 
a on the
pickup rotor with the crankcase mating sur-
face 
b.
TDC on the compression stroke can be found
when the camshaft lobes are turned away from...

3-13
ADJUSTING THE VALVE CLEARANCE
CHK
ADJ
NOTE:
NOTE:
NOTE: 5. Remove:

camshafts

Refer to “CAMSHAFTS” in chapter 5.

When removing the timing chain and cam-
shafts, fasten the timing chain with a wire to re-
trieve it if it falls into the crankcase.
6. Adjust:

valve clearance
a. Remove the valve lifter 
1 and the valve pad
2 with a valve lapper 3.
Valve lapper
90890-04101

Cover the timing chain opening with a rag to
prevent the valve pad from falling into the
crankcase.

Make a note of the position...