Yamaha Fz6n Manual

4-65
REAR SHOCK ABSORBER ASSEMBLYCHAS
WARNING
NOTE:
NOTE:
EAS00694
REMOVING THE REAR SHOCK ABSORBER
ASSEMBLY
1. Stand the motorcycle on a level surface.
Securely support the motorcycle so that
there is no danger of it falling over.
Place the motorcycle on a suitable stand so that
the rear wheel is elevated.
2. Remove:

rear wheel
Refer to “REAR WHEEL AND BRAKE
DISC”.
3. Remove:

rear shock absorber assembly lower bolt 
1
While removing the rear shock absorber as-
sembly lower bolt, hold the swingarm so...

4-66
REAR SHOCK ABSORBER ASSEMBLYCHAS
WARNING
WARNING
EAS00686
HANDLING THE REAR SHOCK ABSORBER
This rear shock absorber contains highly
compressed nitrogen gas. Before handling
the rear shock absorber, read and make sure
you understand the following information.
The manufacturer cannot be held responsi-
ble for property damage or personal injury
that may result from improper handling of
the rear shock absorber.

Do not tamper or attempt to open the rear
shock absorber.

Do not subject the rear shock...

4-67
REAR SHOCK ABSORBER ASSEMBLYCHAS
NOTE:
40 Nm (4.0 m
kg, 29 ft
lb)
40 Nm (4.0 m
kg, 29ft
lb)

spring
Damage / wear 
 Replace the rear shock ab-
sorber assembly.

bushings
Damage / wear 
 Replace.

dust seals
Damage / wear 
 Replace.

bolts
Bends / damage / wear 
 Replace.
EAS00697
INSTALLING THE REAR SHOCK ABSORB-
ER ASSEMBLY
1. Lubricate:

collar

bearings

oil seals
Recommended lubricant
Lithium-soap-based grease
2. Install:

collar

rear shock absorber assembly
When installing the rear shock...

4-68
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7Removing the swingarm and drive
chain
Muffler assembly
Catalyst assembly
Exhaust pipe assembly
Rear wheel
Rear shock absorber assembly
Drive sprocket cover
Lock nut
Adjusting nut
Rear fender
Pivot shaft nut / washer
Pivot shaft
Swingarm
Drive chain2
2
1
1/1
1
1
1Remove the parts in the order listed.
Refer to “REAR WHEEL AND BRAKE
DISC”.
Refer to “REAR SHOCK ABSORBER
ASSEMBLY”.
Refer to “ENGINE” in chapter 5.
Loosen.
Loosen.
Refer to “EXHAUST PIPE” in...

4-69
SWINGARM AND DRIVE CHAINCHAS
Order Job / Part Q’ty Remarks
8
9
10
11Drive chain guide
Dust cover
Bearing
Spacer1
2
2
1
For installation, reverse the removal 
procedure.
120 Nm (12 m
kg, 87 ft
lb)
7 Nm (0.7 m
kg, 5.1 ft
lb)16 Nm (1.6 m
kg, 12 ft
lb) 

4-70
SWINGARM AND DRIVE CHAINCHAS
WARNING
NOTE:
EAS00703
REMOVING THE SWINGARM
1. Stand the motorcycle on a level surface.
Securely support the motorcycle so that
there is no danger of it falling over.
Place the motorcycle on a suitable stand so that
the rear wheel is elevated.
2. Remove:

rear wheel
Refer to “REAR WHEEL AND BRAKE
DISC”.

rear shock absorber assembly
Refer to “REAR SHOCK ABSORBER AS-
SEMBLY”.
3. Measure:

swingarm side play

swingarm vertical movement
a. Measure the tightening torque of...

4-71
SWINGARM AND DRIVE CHAINCHAS
WARNING
NOTE:
WARNING
EAS00704
REMOVING THE DRIVE CHAIN
1. Stand the motorcycle on a level surface.
Securely support the motorcycle so that
there is no danger of it falling over.
Place the motorcycle on a suitable stand so that
the rear wheel is elevated.
2. Remove:

drive chain (with the drive chain cutter)
EAS00707
CHECKING THE SWINGARM
1. Check:

swingarm
Bends / cracks / damage 
 Replace.
2. Check:

pivot shaft
Roll the pivot shaft on a flat surface.
Bends 
...

4-72
SWINGARM AND DRIVE CHAINCHAS
120 Nm (12 m
kg, 87 ft
lb)
4. Check:

dust covers 
1

spacer 2
Damage / wear 
 Replace.

bearings
Damage / pitting 
 Replace.
AS00711
INSTALLING THE SWINGARM
1. Lubricate:

bearings

spacer

dust covers

pivot shaft
Recommended lubricant
Lithium-soap-based grease
2. Install:

swingarm 
1

pivot shaft nut 2
3. Install:

rear shock absorber assembly

rear wheel
Refer to “INSTALLING THE REAR SHOCK
ABSORBER ASSEMBLY” and “INSTAL-
LING THE REAR WHEEL”.
4. Adjust:

drive chain...

4-73
SWINGARM AND DRIVE CHAINCHAS
NOTE:
EAS00709
CHECKING THE DRIVE CHAIN
1. Measure:

ten-link section 
a of the drive chain
Out of specification 
 Replace the drive
chain.
Ten-link drive chain section limit 
(maximum)
150.1 mm (5.91 in)

While measuring the ten-link section, push
down on the drive chain to increase its tension.

Measure the length between drive chain roller
1 and 11 as shown.

Perform this measurement at two or three dif-
ferent places.
2. Check:

drive chain
Stiffness 
 Clean and...

4-74
SWINGARM AND DRIVE CHAINCHAS
4. Check:

drive chain rollers 
1
Damage / wear 
 Replace the drive chain.

drive chain side plates 
2
Damage / wear 
 Replace the drive chain.
Cracks 
 Replace the drive chain and make
sure the battery breather hose is properly
routed away from the drive chain and below
the swingarm.
5. Lubricate:

drive chain
Recommended lubricant
Engine oil or chain lubricant 
suitable for non-O-ring chains
6. Check:

drive sprocket

rear wheel sprocket
More than 1 / 4 tooth 
a wear 
...