Yamaha 2014 MT-07 Service Manual

CHAIN DRIVE
4-103
EAS30229
REMOVING THE DRIVE CHAIN
1. Stand the vehicle on a level surface.
WARNING
EWA13120
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. Remove:
• Drive chain “1”
TIP
Push the rear wheel forward and remove the
drive chain from the rear wheel sprocket. Refer
to “ADJUSTING THE DRIVE CHAIN SLACK” on
page 3-17.
▼▼▼▼ ▼ ▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼▼▼▼
a. Loosen the pivot shaft nut “2” so that the en-
gaged thread length on the pivot shaft “3” is
3–4 ridges.
NOTICE
ECA21200
Make sure that the pivot shaft nut does not
come off the pivot shaft.
b. Tap the pivot shaft nut to push the pivot shaft
to the left.
c. Remove the footrest bracket bolts “4”.
d. Move the footrest bracket “5” rearward, and
then remove the drive chain.
▲▲▲▲ ▲ ▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲
EAS31115
REMOVING THE DRIVE SPROCKET
1. Straighten the drive sprocket nut ribs “a”.
2. Loosen:
• Drive chain sprocket nut
TIP
Loosen the drive sprocket nut while pressing the
brake pedal.
EAS30230
CHECKING THE DRIVE CHAIN
1. Measure:
• 15-link section “a” of the drive chain
Out of specification → Replace the drive
chain.
▼▼▼▼ ▼ ▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼
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” =
(length “b” between pin inner sides + length
“c” between pin outer sides)/2
TIP
• When measuring a 15-link section of the drive
chain, make sure that the drive chain is taut.
2
3 2
1
4
15-link length limit
239.3 mm (9.42 in)
1
5
a

Yamaha 2014 MT-07 Specifications

General

Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve
Displacement	689 cc
Bore x Stroke	80.0 mm x 68.6 mm
Compression Ratio	11.5:1
Maximum Torque	68.0 Nm (6.9 kg-m) @ 6, 500 rpm
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	Constant Mesh, 6-speed
Final Drive	Chain
Front Suspension	Telescopic forks
Front Brake	Hydraulic dual disc, Ø 282 mm
Rear Brake	Hydraulic single disc, Ø 245 mm
Front Tyre	120/70 ZR17M/C (58W)
Rear Tyre	180/55 ZR17M/C (73W)
Dimensions (L x W x H)	2, 085 mm x 745 mm x 1, 090 mm
Seat Height	805 mm
Wheelbase	1, 400 mm
Minimum Ground Clearance	140 mm
Wet Weight	179 kg
Fuel Tank Capacity	14 L
Maximum Power	74.8 PS (55.0 kW) @ 9, 000 rpm
Rear Suspension	Swingarm (Link type suspension)