Yamaha XS650 Series, Shop Manual

Page: 70 / 215

IO. VALVE SPRING
Free length
2) Spring rate
3) Installed length closed)
4) Installed pressure (Valve closed)
5) Compressed length (Valve open)
6) Compressed pressure (Valve open)
7) Wire diameter
8) Winding O.D.
9) Number of windings
INNER 42 mm (1.654 in)
OUTER 42.55 mm (1.675 in)
INNER = 1.43
=
OUTER = 3.2
= 4.18
INNER 35 mm (1.378 in)
OUTER 37 mm (1.457 in)
INNER 0.7 kg 1.5
OUTER 17.7 1.25 kg (39.0 2.6
INNER 25.5 mm (1.004 in)
OUTER 27.5 mm in)
INNER 27.2 1.9 kg (60.0 4.2
OUTER 57.4 4.0 kg (126.5 8.8
INNER 2.9 mm (0.114 in)
OUTER 4.2 mm 10.165 in)
INNER 19.4 mm (0.764 in)
OUTER 32.6 mm (1.283 in)
INNER 6.0
OUTER 4.25 turns
CRANKSHAFT
Crankshaft deflection limit
(A)
2) large end clearance
3) Width of crankshaft
4) Crank pin I.D.
5) Crank pin O.D. length
CONNECTING ROD
1) Big end I.D.
2) Small end I.D.
13. CRANK BEARING
Size
Right end I.D. O.D. Width
Others I.D. O.D. Width
Oil seal type/size O.D. Width)
14. CLUTCH
Clutch type
Clutch operating mechanism
3) Primary reduction ratio and method
4) Primary reduction gear back lash
Tolerance
5) Friction plate
Thickness/Quantity
Wear limit
6) Clutch plate
Thickness/Quantity
Warp limit
0.05 mm (0.002 in)
0.15 0.4 mm 10.0059 0.0157 in)
mm
mm in)
mm
mm in)
mm
mm in)
30 70 19 mm (1.16 3.07 0.75 in)
32 68 17 mm (1.26 2.69 0.67 in)
SD25 40 9.0 mm (0.984 1.575 0.354 in)
Wet, multiple type
Inner push type, screw push system
(2.666). gear
0.05 0.08 mm (0.0020 0.0031 in)
3 mm (0.118 in)/7
2.7 mm
1.4 mm 10.055 in)/6
0.05 mm (0.002 in)