Yamaha FZ6-SS Assembly Manual page 21

EAA01059
M. ADJUSTING THE DRIVE CHAIN
SLACK
NOTE:
The drive chain slack must be checked at
the tightest point on the chain.
CAUTION:
A drive chain that is too tight will over-
load the engine and other vital parts, and
one that is too loose can skip and dam-
age the swingarm or cause an accident.
Therefore, keep the drive chain slack
within the specified limits.
1. Stand the motorcycle on a level surface.
WARNING
Securely support the motorcycle so that
there is no danger of it falling over.
NOTE:
Both wheels should be on the ground with-
out a rider on the motorcycle.
2. Rotate the rear wheel several times and
check the drive chain to locate its tight-
est point.
3. Measure:
D drive chain slack (a)
Out of specification ! Adjust.
Drive chain slack
45 X 55 mm (1.77 X 2.17 in)
EAA01062
N. ADJUSTING THE REAR BRAKE
LIGHT SWITCH
NOTE:
The rear brake light switch is operated by
the movement of the brake pedal.
The rear brake light switch is properly ad-
justed when the brake light comes on just
before the braking effect starts.
1. Check:
D rear brake light operation timing
Incorrect ! Adjust.
2. Adjust:
D rear brake light operation timing
a. Hold the main body (1) of the rear brake
light switch so that it does not rotate and
turn the adjusting nut (2) in direction (a)
or (b) until the rear brake light comes on
at the proper time.
Direction (a)
Brake light comes on sooner.
Direction (b)
Brake light comes on later.
–17–
4. Loosen:
D wheel axle nut (1)
5. Adjust:
D drive chain slack
a. Loosen both locknuts (2).
b. Turn both adjusting nuts (3) in direction
(a) or (b) until the specified drive chain
slack is obtained.
Direction (a)
Drive chain is tightened.
Direction (b)
Drive chain is loosened.
NOTE:
D To maintain the proper wheel alignment,
adjust both sides evenly.
D Push the rear wheel forward to make
sure that there is no clearance between
the swingarm end plates and the ends of
the swingarm.
c. Tighten the wheel axle nut to specifica-
tion.
Wheel axle nut
120 Nm (12 mSkg, 87 ftSlb)
d. Tighten the locknuts to specification.
Locknut
16 Nm (1.6 mSkg, 12 ftSlb)