Yamaha F6AMH, Service Manual

Page: 274 / 510

CAMSHAFT AND VALVES
CHECKING THE ROCKER ARM
ROCKER ARM SHAFT
1. Measure:
Rocker arm inside diameter
a
Out of specification Replace.
2. Measure:
Rocker arm shaft outside diameter
b
Out of specification Replace.
CHECKING THE CAMSHAFT
Measure:
Camshaft lobe diameter
a
and
b
Out of specification Replace.
Rocker arm inside diameter
a
:
13.000 - 13.018 mm
(0.5118 - 0.5125 in)
Rocker arm shaft outside diameter
b
:
12.941 - 12.951 mm
(0.5095 - 0.5099 in)
Camshaft lobe diameter (intake
cam and exhaust cam):
a
: 23.45 - 23.55 mm
(0.9232 - 0.9271 in)
b
: 19.95 - 20.05 mm
(0.7854 - 0.7893 in)
5-47