Yamaha XT660 2004, Service Manual

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