Yamaha XV16AL Service Manual page 21

Engine oil pump
Oil pump type
Inner rotor to outer rotor tip clear-
ance
Inner rotor outer rotor 2 to oil pump
housing clearance (feed pump)
Inner rotor outer rotor 1 to oil
pump housing clearance
(scavenging pump)
Transfer oil pump
2
Oil pump type
Inner rotor to outer rotor tip clear-
ance
Inner rotor outer rotor to oil pump
housing clearance
Starting system type
Spark plugs
Model
Manufacturer
Quantity
Spark plug gap
Cylinder heads
Max. warpage
Camshafts
Drive system
Crankcase hole inside diameter
Camshaft cover hole inside diam-
eter
Camshaft journal diameter
(crankcase side)
Camshaft journal diameter
(camshaft cover side)
Camshaft to crankcase clearance
Camshaft to camshaft cover clear-
ance
Camshaft intake cam dimensions
ENGINE SPECIFICATIONS
Item
Trochoidal
0.00 ~ 0.12 mm (0.000 ~ 0.005 in)
0.03 ~ 0.08 mm (0.001 ~ 0.003 in)
0.06 ~ 0.11 mm (0.002 ~ 0.004 in)
Trochoidal
0.07 ~ 0.12 mm (0.003 ~ 0.005 in)
0.03 ~ 0.08 mm (0.001 ~ 0.003 in)
Electric starter
DPR7EA-9/X22EPR-U9
NGK/DENSO
4
0.8 ~ 0.9 mm (0.031 ~ 0.035 in)
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Gear drive
(0.9843 ~ 0.9851 in)
28.000 ~ 28.021 mm
(1.1024 ~ 1.1032 in)
24.937 ~ 24.950 mm
(0.9818 ~ 0.9823 in)
27.967 ~ 27.980 mm
(1.1011 ~ 1.1016 in)
0.020 ~ 0.054 mm (0.0008 ~ 0.0021 in)
A
B
Standard
25.000 ~ 25.021 mm
0.050 ~ 0.084 mm (0.0020 ~ 0.0033 in)
2 - 3
SPEC
Limit
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0.17 mm
(0.007 in)
0.13 mm
(0.005 in)
0.16 mm
(0.006 in)
0.17 mm
(0.007 in)
0.16 mm
(0.006 in)
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0.10 mm
(0.004 in)
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