Yamaha 2014 MT-07 Service Manual page 139

arm or cause an accident. Therefore, keep
the drive chain slack within the specified lim-
its.
1. Stand the vehicle on a level surface.
EWA13120
WARNING
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 wheel is elevated.
2. Shift the transmission into the neutral posi-
tion.
3. Check:
• Drive chain slack
Out of specification → Adjust.
TIP
Measure the distance "a" between the rib end "b"
on the drive chain guide "1" and the center of the
drive chain "2".
1
2
Drive chain slack
51.0–56.0 mm (2.01–2.20 in)
Limit
58.0 mm (2.28 in)
ECA20870
NOTICE
Improper drive chain slack will overload the
engine as well as other vital parts of the mo-
torcycle and can lead to chain slippage or
breakage. If the drive chain slack is more
than the specified limit, the chain can dam-
age the frame, swingarm, and other parts. To
prevent this from occurring, keep the drive
chain slack within the specified limits.
4. Loosen:
• Wheel axle nut "1"
b
a
PERIODIC MAINTENANCE
5. Adjust:
• Drive chain slack
▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼
a. Loosen both of the drive chain puller locknuts
"1".
b. Turn both of the drive chain puller adjusting
nuts "2" in direction "a" or "b" until the speci-
fied drive chain slack is obtained.
Direction "a"
Drive chain is tightened.
Direction "b"
Drive chain is loosened.
TIP
• To maintain the proper wheel alignment, adjust
both sides evenly.
• There should be no clearance between the
swingarm end plate and the adjusting nuts.
c. Tighten the wheel axle nut to specification.
Wheel axle nut
105 Nm (10.5 m·kgf, 76 ft·lbf)
d. Tighten the drive chain puller locknuts to
specification.
Drive chain puller locknut
16 Nm (1.6 m·kgf, 12 ft·lbf)
▲ ▲▲▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
3-18
1
▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼
2 1
a
b
▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
▼▼▼
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