Checking The Drive Chain - Yamaha YZF-R7 Owner's Service Manual

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SWINGARM AND DRIVE CHAIN
4. Check:
• dust covers
• spacer
• oil seals
Damage/wear → Replace.
• bearings
Damage/pitting → Replace.
EB707410

CHECKING THE DRIVE CHAIN

1. Measure:
• ten-link section a of the drive chain
Out of specification → Replace the
drive chain.
Max. ten-link drive chain sec-
tion
150.1 mm (5.91 in)
NOTE:
• 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 A as shown.
• Perform this measurement at two or
three different places.
2. Check:
• drive chain
Stiffness → Clean and lubricate or
replace.
3. Clean:
• drive chain
a. Wipe the drive chain with a clean
cloth.
b. Put the drive chain in kerosine and
remove any remaining dirt.
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