Removing The Drive Chain; Checking The Drive Chain - Yamaha FZ09E Service Manual

EA~ IO
REMOVING THE DRIVE CHAIN
1. Stand the vehicle on a level surface.
EWAt 3 120
AwARNING
Securely support the vehicle so that there is
no danger of it falling over.
TIP ~~~~~~~~~~~~~~­
Place the vehicle on a suitable stand so that the
rear w heel is elevated.
2. Straighten the drive sprocket nut rib "a".
a
3.
Remove:
• Drive chain
NOTICE
~------------~
Be s ure to put on safety goggles when work-
ing.
TIP ~~~~~~~~~~~~~~~
Cut the drive chain with the drive chain cut
&
riv-
et tool.
EAS23441
Drive chain cut & rivet tool
90890-01550
YM-01550
CHECKING THE DRIVE CHAIN
1. Measure:
• 15-link section "a" of the drive chain
Out of specification
~
Replace the
chain.
15-link length limit
239.3 mm (9.42 In)
drive
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
a. Measure the length "b" between the inner
sides of the pins and the length "c" between
the outer sides of the pins on a 15-link section
of the drive chain as shown in the illustration.
b. Calculate the length "a" of the 15-link section
of the drive chain using the following formula.
Drive chain 15-link section length "a" =
4-71
CHAIN DRIVE
(length "b" between pin inner sides
+
length
"c" between pin outer sides)/2
TIP ~~~~~~~~~~~~~~
• W hen measuring a 15-link section of the drive
chain, make sure that the drive chain is taut.
• Perform this procedure
2- 3
times, at a different
location each time.
1 2 3 4 5 6 1213141516
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-
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.
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• •
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a
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•
•
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•
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b
c
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
2. Check:
• Drive chain
Stiffness
~
C lean and lubricate or replace.
3.
Clean:
• Drive chain
•
•
•
•
••••••••••••••••••••••••••••••••
a. W ipe the drive chain w ith a clean cloth.
b. Put the drive chain in kerosene and remove
any remaining dirt.
c. Remove the drive chain from the kerosene
and completely dry it.