Yamaha XT 600 AC Service Manual page 28

MAINTENANCE SPECIFICATIONS
/SPECI
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Model
XT600EA/EAC
Piston ring:
Type:
Top ring Barrel
2nd ring Plain
Dimensions (B x T):
Top ring
g=IB
B
=
1.2 mm (0.047 in)
T
=
3.8 mm (0.150 in)
2nd ring
I
I]B
B
=
1.2 mm (0.047 in)
T
=
3.8 mm (0.150 in)
I"
T
.1
Oil ring ~]B B
=
2.5 mm (0 .098 in)
T
=
3.4 mm (0 .134 in)
I.
T
.1
End gap (installed) :
Top ring 0.30 - 0.45 mm (0.012 - 0.Q18 in)
2nd ring 0.30 - 0.45 mm (0.012 - 0.Q18 in)
Oil ring 0.20 - 0.70 mm (0.008 - 0.028 in)
Side clearance (installed):
Top ring 0.04 - 0.08 mm (0.002 - 0.003 in)
2nd ring 0.03 - 0.07 mm (0.001 - 0.003 in)
Oil ring 0.02 - 0.06 mm (0.0008 - 0.002 in)
Crankshaft:
F
----
Crank width" A"
74.95 - 75.00 mm (2.950 - 2.953 in)
<Runout limit "C">
~
b!
<0.03 mm (0.0012 in>
Big end side
Clearance "0"
0.35 - 0.65 mm (0.013 - 0.026 in)
Small end
Free play "F"
-Q
0.8 mm (0.031 in)
Balancer:
Drive method
Gear
Clutch:
Friction plate
Thickness
2.72 - 2.88 mm (0.107 - 0.113 in)
Quantity
6 pcs.
< Wear limit> <2.6 mm (0.102 in»
Friction plate
Thickness
2.94 - 3.06 mm (0 .116 - 0.120 in)
Quantity
2 pcs .
< Wear limit>
<2.8 mm (0.110 in»
Clutch plate
Thickness
1.2 mm (0 .047 in )
Quan t ity
7 pcs.
< Warp limit>
<0.2 mm (0.008 in»
Clutch spring
Free length
42 .8 mm (1 .685 in)
Quantity
5 pcs.
Minimum free length
40.8 mm (1 .606 in)
Clutch housing:
Thrust clearance
0.070 - 0.071 mm (0.003 in )
Clutch release method
Inner push, cam push
2-6