Yamaha 2014 MT-07 Service Manual

TRANSMISSION
5-97
EAS30430
REMOVING THE TRANSMISSION
1. Remove:
• Drive axle assembly “1”
• Shift drum retainer “2”
• Shift fork guide bars
• Shift fork “L” and “R”
• Shift drum assembly
• Shift fork “C”
2. Remove:
• Bearing retainer
• Main axle assembly bearing housing “1”
• Main axle assembly “2”
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a. Insert two bolts “3” of the proper size, as
shown in the illustration, into the main axle
assembly bearing housing.
b. Tighten the bolts until they contact the
crankcase surface.
c. Continue tightening the bolts until the main
axle assembly comes free from the cylinder.
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EAS30431
CHECKING THE SHIFT FORKS
The following procedure applies to all of the shift
forks.
1. Check:
• Shift fork cam follower “1”
• Shift fork pawl “2”
Bends/damage/scoring/wear → Replace the
shift fork.
2. Check:
• Shift fork guide bar
Roll the shift fork guide bar on a flat surface.
Bends → Replace.
WARNING
EWA12840
Do not attempt to straighten a bent shift fork
guide bar.
3. Check:
• Shift fork movement
(along the shift fork guide bar)
Rough movement → Replace the shift forks
and shift fork guide bar as a set.
EAS30432
CHECKING THE SHIFT DRUM ASSEMBLY
1. Check:
• Shift drum groove
Damage/scratches/wear → Replace the shift
drum assembly.
• Shift drum segment “1”
Damage/wear → Replace the shift drum as-
sembly.
• Shift drum bearing “2”
Damage/pitting → Replace the shift drum as-
sembly.
1
2
1
2
3

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)