Yamaha Fz6 N Service Manual

FRONT FORK
4-68
EAS23020
ASSEMBLING THE FRONT FORK LEGS
The following procedure applies to both of the 
front fork legs.
WARNING
EWA13660
 Make sure the oil levels in both front fork legs are equal.
 Uneven oil levels can result in poor han-
dling and a loss of stability.
NOTE:
 When assembling the front fork leg, be sure  to replace the following parts:
- Inner tube bushing
- Outer tube bushing
-Oil seal
- Dust seal
 Before assembling the front fork leg, make 
sure all of the components are clean....

FRONT FORK
4-69
5. Install: Washer
Oil seal “1” (with the fork seal driver and adapter)
CAUTION:
ECA14220
Make sure the numbered side of the oil seal 
faces up.
NOTE:
 Before installing the oil seal, lubricate its lips 
with lithium soap base grease.
 Lubricate the outer surface of the inner tube 
with fork oil.
 Before installing the oil seal, cover the top of  the front fork leg with a plastic bag “2” to pro-
tect the oil seal during installation.
6. Install:  Oil seal clip “1”
NOTE:
Adjust the...

FRONT FORK
4-70
9. Measure: Front fork leg oil level “a”
Out of specification  → Correct.
NOTE:
 While filling the front fork leg, keep it upright.
 After filling, slowly pump the front fork leg up 
and down to distribute the fork oil.
10. Install:  Spring “1”
 Spring seat “2”
 Spacer “3”
 Cap bolt
NOTE:
 Install the spring with the smaller pitch “a” facing down.
 Before installing the cap bolt, lubricate its O-
ring with grease.
 Temporarily tighten the cap bolt.
EAS23050
INSTALLING THE FRONT...

FRONT FORK
4-71 

STEERING HEAD
4-72
EAS23090
STEERING HEAD
Removing the lower bracket
Order Job/Parts to remove Q’ty RemarksFront wheel Refer to FRONT WHEEL on page 4-7.
Front fender Refer to FRONT FORK on page 4-64.
Front fork Refer to FRONT FORK on page 4-64.
Handlebar Refer to HANDLEBAR on page 4-60.
Front cowling inner panel (left side) Refer to GENERAL CHASSIS on page 4-1.
Front cowling inner panel (right side) Refer to GENERAL CHASSIS on page 4-1.
Fuel tank Refer to FUEL TANK on page 7-1.
1 Main switch coupler 2...

STEERING HEAD
4-73
13 Bearing inner race 2
14 Upper bearing 1
15 Lower bearing 1
16 Dust seal 1
17 Bearing outer race 2For installation, reverse the removal proce-
dure.
Removing the lower bracket
Order Job/Parts to remove Q’ty Remarks 

STEERING HEAD
4-74
EAS23110
REMOVING THE LOWER BRACKET
1. Stand the vehicle on a level surface.
WARNING
EWA13120
Securely support the vehicle so that there 
is no danger of it falling over.
2. Remove: Steering stem nut
 Washer
 Upper ring nut
 Lock washer
 Rubber washer
 Lower ring nut “1” (with the steering nut wrench “2”)
 Lower bracket
NOTE:
Hold the lower ring nut with the exhaust and 
steering nut wrench, and then remove the 
upper ring nut with the ring nut wrench.
WARNING
EWA13730
Securely...

STEERING HEAD
4-75
 Upper bracket
 Lower bracket(along with the steering stem)
Bends/cracks/damage  → Replace.
EAS23140
INSTALLING THE STEERING HEAD
1. Lubricate:
 Upper bearing
 Lower bearing
 Bearing races
2. Install:  Lower bracket
 Lower ring nut “1”
 Rubber washer “2”
 Upper ring nut “3”
 Lock washer “4” Refer to CHECKING THE STEERING 
HEAD on page 4-74.
3. Install:  Upper bracket
 Washer
 Steering stem nut
NOTE:
Temporarily tighten the steering stem nut.
4. Install: Front fork legs...

REAR SHOCK ABSORBER ASSEMBLY
4-76
EAS23160
REAR SHOCK ABSORBER ASSEMBLY
Removing the rear shock absorber assembly
Order Job/Parts to remove Q’ty RemarksSeat Refer to GENERAL CHASSIS on page 4-1.
Side cover Refer to GENERAL CHASSIS on page 4-1.
Rear brake caliper Refer to REAR BRAKE on page 4-41.
Rear wheel Refer to REAR WHEEL on page 4-15.
1 Self-locking nut/collar/bolt 1/1/1
2 Self-locking nut/washer/bolt 1/1/1
3 Rear shock absorber assembly 1
4 Oil seal/bearing 2/1
For installation, reverse the...

REAR SHOCK ABSORBER ASSEMBLY
4-77
EAS23180
HANDLING THE REAR SHOCK ABSORBER
WARNING
EWA13740
This rear shock absorber contains highly 
compressed nitrogen gas. Before handling 
the rear shock absorber, read and make 
sure you understand the following informa-
tion. The manufacturer cannot be held 
responsible for property damage or per-
sonal 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...