Yamaha 2014 MT-07 Service Manual

OIL PUMP
5-65
EAS30336
CHECKING THE SPROCKET AND CHAIN
1. Check:
• Oil pump drive sprocket
Refer to “CHECKING THE CLUTCH HOUS-
ING” on page 5-56.
• Oil pump driven sprocket
Refer to “CHECKING THE OIL PUMP” on
page 5-65.
2. Check:
• Oil pump drive chain
Damage/stiffness → Replace the oil pump
drive chain, oil pump drive sprocket (clutch
housing), and oil pump driven sprocket as a
set.
EAS30337
CHECKING THE OIL PUMP
1. Check:
• Oil pump driven sprocket “1”
• Oil pump housing “2”
Cracks/damage/wear → Replace the defec-
tive part(s).
2. Measure:
• Inner-rotor-to-outer-rotor-tip clearance “a”
• Outer-rotor-to-oil-pump-housing clearance
“b”
3. Check:
• Oil pump operation
Rough movement → Repeat steps (1) and
(2) or replace the defective part(s).
EAS30338
CHECKING THE RELIEF VALVE
1. Check:
• Relief valve “1”
• Spring “2”
Damage/wear → Replace the oil pump as-
sembly.
EAS30342
ASSEMBLING THE OIL PUMP
1. Lubricate:
• Inner rotor
• Outer rotor
(with the recommended lubricant)
Inner-rotor-to-outer-rotor-tip
clearance
Less than 0.120 mm (0.0047 in)
Limit
0.20 mm (0.0079 in)
Outer-rotor-to-oil-pump-housing
clearance
0.09–0.15 mm (0.0035–0.0059 in)
Limit
0.22 mm (0.0087 in)
2
1
1. Inner rotor
2. Outer rotor
Recommended lubricant
Engine oil
1
2

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)