Yamaha XT660R Service Manual page 29

Item
Oil pump
Oil pump type
Inner-rotor-to-outer-rotor-tip clear-
ance
Outer-rotor-to-oil-pump-housing
clearance
Oil-pump-housing-to-inner-rotor-and-
outer-rotor clearance
Cooling system
Radiator capacity
Radiator cap opening pressure
Radiator core
Width
Height
Depth
Coolant reservoir
Capacity
<From low to full level>
Water pump
Water pump type
Reduction ratio
Maximum impeller shaft tilt
Starting system type
Fuel injector
Model/manufacturer
Quantity
Spark plug
Model/manufacturer × quantity
Spark plug gap
Cylinder head
Volume
Maximum warpage
ENGINE SPECIFICATIONS
Standard
Trochoid
0.07 ~ 0.12 mm (0.0028 ~ 0.0047 in)
0.03 ~ 0.08 mm (0.0012 ~ 0.0031 in)
0.03 ~ 0.08 mm (0.0012 ~ 0.0031 in)
1.00 L (0.88 Imp, 1.06 US qt)
110.0 ~ 140.0 kPa
(1.10 ~ 1.40 kg/cm
280.0 mm (11.02 in)
158.0 mm (6.22 in)
23.0 mm (0.91 in)
0.25 L (0.22 Imp, 0.26 US qt)
0.15 L (0.13 Imp, 0.16 US qt)
Single-suction centrifugal pump
27/28 (0.964)
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Electric starter
297500-0390/DENSO
1
CR7E/NGK × 1
0.7 ~ 0.8 mm (0.028 ~ 0.031 in)
3
59.10 ~ 60.50 cm
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2 - 3
SPEC
2
, 16.0 ~ 20.3 psi)
(3.61 ~ 3.69 cu · in)
Limit
----
0.2 mm
(0.008 in)
0.15 mm
(0.0059 in)
0.15 mm
(0.0059 in)
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0.15 mm
(0.006 in)
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0.03 mm
(0.0012 in)