Yamaha 2014 MT-07 Service Manual

WATER PUMP
6-11
EAS30446
DISASSEMBLING THE WATER PUMP
1. Remove:
• Mechanical seal (impeller side) “1”
(from the impeller, with a thin, flat-head
screwdriver)
TIP
Do not scratch the impeller shaft.
2. Remove:
• Mechanical seal (housing side) “1”
TIP
Remove the mechanical seal (housing side)
from the inside of the clutch cover “2”.
3. Remove:
• Bearing “1”
• Oil seal “2”
TIP
Remove the bearing and oil seal from the out-
side of the clutch cover “3”.
EAS30447
CHECKING THE WATER PUMP
1. Check:
• Water pump housing
•Clutch cover
• Impeller shaft
Cracks/damage/wear → Replace.
2. Check:
• Bearing
Rough movement → Replace.
3. Check:
• Water pump outlet pipe
• Water pump inlet pipe
Cracks/damage/wear → Replace.
EAS30448
ASSEMBLING THE WATER PUMP
1. Install:
• Oil seal “1”
• Bearing
(into the clutch cover “2”)
TIP
Install the oil seal with a socket “3” that matches
its outside diameter.
2. Install:
• Mechanical seal (housing side) “1”
(into the clutch cover “2”)
NOTICE
ECA20330
Never lubricate the mechanical seal (hous-
ing side) surface with oil or grease.
TIP
Use the special tools and a press to press the
mechanical seal (housing side) straight in until it
touches the clutch cover.
1
21
2
3
1
Installed depth of oil seal “a”
0.5–1.0 mm (0.02–0.04 in)
New
3
2
1
a
New
New

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)