Yamaha XV16AL Service Manual page 252

5
CAMSHAFTS
5. Measure:
• crankcase hole inside diameter c
Out of specification → Replace the crank-
case.
Crankcase hole inside diameter
25.000 ~ 25.021 mm
(0.9843 ~ 0.9851 in)
6. Measure:
• camshaft cover hole inside diameter d
Out of specification → Replace the cam-
shaft cover.
Camshaft cover hole inside diam-
eter
28.000 ~ 28.021 mm
(1.1024 ~ 1.1032 in)
7. Calculate:
• camshaft-to-crankcase clearance
Out of specification → Replace the defec-
tive part(s).
NOTE:
Calculate the clearance by subtracting the
crankcase side camshaft journal diameter
(crankcase side) from the crankcase hole
inside diameter.
Camshaft to crankcase clearance
0.050 ~ 0.084 mm
(0.0020 ~ 0.0033 in)
8. Calculate:
• camshaft-to-camshaft cover clearance
Out of specification → Replace the defec-
tive part(s).
NOTE:
Calculate the clearance by subtracting the
camshaft journal diameter (camshaft cover
side) from the camshaft cover hole inside
diameter.
Camshaft to camshaft cover
clearance
0.020 ~ 0.054 mm
(0.0008 ~ 0.0021 in)
5 - 33
ENG