Yamaha XF50W Service Manual page 22

Oil pump
Oil pump type
Inner rotor to outer rotor tip clearance
Outer rotor to pump housing clearance
Oil pump housing to inner rotor and
outer rotor clearance
Cooling system
Radiator capacity
Radiator cap opening pressure
Valve relief pressure
Radiator core
Width
Height
Depth
Coolant reservoir
Capacity(up to the maximum level mark)
<From low to full level>
Water pump
Water pump type
Max. impeller shaft tilt
Starting system type
Electric fuel injection
Type
Manufacturer
Spark plug
Model(manufacturer)×quantity
Spark plug gap
Cylinder head
Volume
Maximum warpage
,
i
>
1
>
F
ENGINE SPECIFICATIONS
Item
i ,
' •
Standard
Trochoid
0.15mm(0.006in) or less
0.13~0.18mm(0.005~0.007in)
0.07~0.12mm(0.003~0.005in)
0.26L(0.23 Imp gal, 0.28 US gal) ...
107.9~137.3kPa
2
(1.1~1.4kg/cm , 15.6~19.9psi)
1.1kPa(0.01kg/cm
127.4mm(5.016in)
87mm(3.425in)
16mm(0.630in)
0.25L(0.22 Imp gal, 0.27 US gal) ...
0.15L(0.13 Imp gal, 0.16 US gal) ...
Single-suction centrifugal
pump
...
Electric and kick starter
3B3
AISAN
CR7E(NGK)×1
0.7~0.8mm(0.028~0.031in)
3.1~3.5cm³(0.19~0.21cu-in)
...
2-3
SPEC
Limit
...
0.23mm
(0.009in)
0.25mm
(0.010in)
0.19mm
(0.008in)
...
2
, 0.16psi)
...
...
...
...
...
0.15mm
(0.0059in)
...
...
...
...
...
...
0.05mm
(0.0020in)
0 *