Yamaha XT 600 AC Service Manual page 27

Model
Stem outside diameter
Intake
Exhaust
Guide inside diameter
Intake
Exhaust
Stem-to-guide clearance
Intake
Exhaust
<Stem runout limit>
Valve seat width
Intake
Exhaust
Valve spring:
Free length:
Intake
Exhaust
Set length (valve closed)
Intake
Exhaust
Direction of winding
(Top view)
<Tilt limit>:
Intake
Exhaust
Piston:
Piston size "D"
Measuring point "H"
Oversize 2nd
Oversize 4th
Piston off-set
Piston off-set direction
Pisto n-to-cyl i nder clea ra nce
<Limit>
D
MAINTENANCE SPECIFICATIONS
ISPECI
jJ~1
XT600EAjEAC
6.975 ~ 6.990 mm (0.274 ~ 0.275 in)
6.955 ~ 6.970 mm (0.273 ~ 0.274 in)
7.000
~
7.012 mm (0.275
~
0.276 in)
7.000
~
7.012 mm (0.275
~
0.276 in)
0.010 ~ 0.037 mm (0 .0004 ~ 0.001 in)
0.030 ~ 0.057 mm (0 .001 ~ 0.002 in)
<0.01 mm (0.0004 in»
1.1 mm (0 .043 in)
1.1
mm (0.043 in)
Inner spring
40.1 mm (1.58 in)
40.1 mm (1.58 in)
22.7 mm (0.89 in)
22.7 mm (0.89 in)
Clockwise
c
Outer spring
43.8 mm (1.72 in)
43.8 mm (1.72 in)
34.2 mm (1.35 in)
34.2 mm (1.35 in)
Counterclockwise
<2S/1.7 mm (0.067 in» <2S/1.9 mm (0.075 in»
<2S/1.7 mm (0.067 in» <2S/1.9 mm (0.075 in»
94.915 ~ 94.965 mm (3.737 ~ 3.739 in)
5.0 mm (0.20 in)
95 .5 mm (3.760 in)
96.0 mm (3.780 in)
2.0 mm (0 .08 in)
Intake side
0.045
~
0.065 mm (0 .002
~
0.003 in)
<0.1 mm (0.004 in»
2-5