Checking The Valve Springs - Yamaha XV1600A1999 Service Manual

VALVES AND VALVE SPRINGS
g. Apply Mechanic's blueing dye (Dykem) b
h. Install the valve into the cylinder head.
i. Press the vlve through the valve guide and
j. Measure the valve seat width again. If the
EAS00241

CHECKING THE VALVE SPRINGS

The following procedure applies to all of the
valve springs.
1. Measure:
S valve spring free length a
5-50
onto the valve face.
onto the valve seat to make a clear impres-
sion.
valve seat width is out of specification, reface
and lap the valve seat.
Out of specification ! Replace the valve
spring.
Valve spring free length (intake
and exhaust)
Inner valve spring
38.26 mm
<Limit>: 36.26 mm
Outer valve spring
43.25 mm
<Limit>: 41.26 mm
ENG